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Merge pull request #3408 from TiejunChina/master-dev

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update -rt to 4.19.59-rt24
This commit is contained in:
Rolf Neugebauer 2019-09-15 10:16:11 +01:00 committed by GitHub
commit 402184fd1f
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285 changed files with 2838 additions and 597 deletions
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2
examples/rt-for-vmware.yml
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@ -1,5 +1,5 @@
kernel:
image: linuxkit/kernel:4.19.50-rt
image: linuxkit/kernel:4.19.59-rt
cmdline: "console=tty0"
init:
- linuxkit/init:1d8e0532ca588c5ad0d9ca6038349a70bb7ac626

4
kernel/Makefile
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@ -254,14 +254,14 @@ ifeq ($(ARCH),x86_64)
$(eval $(call kernel,5.1.15,5.1.x,$(EXTRA),$(DEBUG)))
$(eval $(call kernel,4.19.56,4.19.x,$(EXTRA),$(DEBUG)))
$(eval $(call kernel,4.19.56,4.19.x,,-dbg))
$(eval $(call kernel,4.19.50,4.19.x,-rt,))
$(eval $(call kernel,4.19.59,4.19.x,-rt,))
$(eval $(call kernel,4.14.131,4.14.x,$(EXTRA),$(DEBUG)))
$(eval $(call kernel,4.9.184,4.9.x,$(EXTRA),$(DEBUG)))
else ifeq ($(ARCH),aarch64)
$(eval $(call kernel,5.1.15,5.1.x,$(EXTRA),$(DEBUG)))
$(eval $(call kernel,4.19.56,4.19.x,$(EXTRA),$(DEBUG)))
$(eval $(call kernel,4.19.50,4.19.x,-rt,))
$(eval $(call kernel,4.19.59,4.19.x,-rt,))
else ifeq ($(ARCH),s390x)
$(eval $(call kernel,5.1.15,5.1.x,$(EXTRA),$(DEBUG)))

4
kernel/patches-4.19.x-rt/0001-ARM-at91-add-TCB-registers-definitions.patch
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@ -1,7 +1,7 @@
From 51502f785ba92dab73427034abe6ebc29b827637 Mon Sep 17 00:00:00 2001
From 200fca9a9f123bcca859fadc996b1e40c0384269 Mon Sep 17 00:00:00 2001
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Thu, 13 Sep 2018 13:30:18 +0200
Subject: [PATCH 001/268] ARM: at91: add TCB registers definitions
Subject: [PATCH 001/283] ARM: at91: add TCB registers definitions
Add registers and bits definitions for the timer counter blocks found on
Atmel ARM SoCs.

4
kernel/patches-4.19.x-rt/0002-clocksource-drivers-Add-a-new-driver-for-the-Atmel-A.patch
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@ -1,7 +1,7 @@
From 0d17e392d25ce41fbd73368c207e9e3c8a509200 Mon Sep 17 00:00:00 2001
From 13e8b97c81d4029a2c41ce13ffc84507af252845 Mon Sep 17 00:00:00 2001
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Thu, 13 Sep 2018 13:30:19 +0200
Subject: [PATCH 002/268] clocksource/drivers: Add a new driver for the Atmel
Subject: [PATCH 002/283] clocksource/drivers: Add a new driver for the Atmel
ARM TC blocks
Add a driver for the Atmel Timer Counter Blocks. This driver provides a

4
kernel/patches-4.19.x-rt/0003-clocksource-drivers-timer-atmel-tcb-add-clockevent-d.patch
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@ -1,7 +1,7 @@
From a4ddee4eca713013e407261d0e2b49bec1d1cadc Mon Sep 17 00:00:00 2001
From 108301f18eaae6fde1bf8b864d52052bdc2a7043 Mon Sep 17 00:00:00 2001
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Thu, 13 Sep 2018 13:30:20 +0200
Subject: [PATCH 003/268] clocksource/drivers: timer-atmel-tcb: add clockevent
Subject: [PATCH 003/283] clocksource/drivers: timer-atmel-tcb: add clockevent
device on separate channel
Add an other clockevent device that uses a separate TCB channel when

4
kernel/patches-4.19.x-rt/0004-clocksource-drivers-atmel-pit-make-option-silent.patch
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@ -1,7 +1,7 @@
From c1264e05e78e9ef1643471e975f411ec4b1e9015 Mon Sep 17 00:00:00 2001
From e60c9d976e3462237d2f3644c18091ac1e7746c6 Mon Sep 17 00:00:00 2001
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Thu, 13 Sep 2018 13:30:21 +0200
Subject: [PATCH 004/268] clocksource/drivers: atmel-pit: make option silent
Subject: [PATCH 004/283] clocksource/drivers: atmel-pit: make option silent
To conform with the other option, make the ATMEL_PIT option silent so it
can be selected from the platform

4
kernel/patches-4.19.x-rt/0005-ARM-at91-Implement-clocksource-selection.patch
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@ -1,7 +1,7 @@
From e228d79e34fd799304ff0c6696e52c00e3caa066 Mon Sep 17 00:00:00 2001
From 8cd066d01a3bc84384ba64a7521fdc80598a3418 Mon Sep 17 00:00:00 2001
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Thu, 13 Sep 2018 13:30:22 +0200
Subject: [PATCH 005/268] ARM: at91: Implement clocksource selection
Subject: [PATCH 005/283] ARM: at91: Implement clocksource selection
Allow selecting and unselecting the PIT clocksource driver so it doesn't
have to be compile when unused.

4
kernel/patches-4.19.x-rt/0006-ARM-configs-at91-use-new-TCB-timer-driver.patch
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@ -1,7 +1,7 @@
From 719de0a8c6c4489eae0ea592aaa78898611c5f7f Mon Sep 17 00:00:00 2001
From db6f702c9d0558505d757c28c61f4f6a567a898a Mon Sep 17 00:00:00 2001
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Thu, 13 Sep 2018 13:30:23 +0200
Subject: [PATCH 006/268] ARM: configs: at91: use new TCB timer driver
Subject: [PATCH 006/283] ARM: configs: at91: use new TCB timer driver
Unselecting ATMEL_TCLIB switches the TCB timer driver from tcb_clksrc to
timer-atmel-tcb.

4
kernel/patches-4.19.x-rt/0007-ARM-configs-at91-unselect-PIT.patch
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@ -1,7 +1,7 @@
From 4175bca0551889fda7dfdf2391a242b0c80bb59a Mon Sep 17 00:00:00 2001
From 95cda24e3882fa19a569c029275d14089e8418e9 Mon Sep 17 00:00:00 2001
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
Date: Thu, 13 Sep 2018 13:30:24 +0200
Subject: [PATCH 007/268] ARM: configs: at91: unselect PIT
Subject: [PATCH 007/283] ARM: configs: at91: unselect PIT
The PIT is not required anymore to successfully boot and may actually harm
in case preempt-rt is used because the PIT interrupt is shared.

4
kernel/patches-4.19.x-rt/0008-irqchip-gic-v3-its-Move-pending-table-allocation-to-.patch
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@ -1,7 +1,7 @@
From 860cae9aedf5937c7f9e6d7c228e02ece79b0e0a Mon Sep 17 00:00:00 2001
From 44f074c1b1621cbfa2d9f8f44aa69231154399d9 Mon Sep 17 00:00:00 2001
From: Marc Zyngier <marc.zyngier@arm.com>
Date: Fri, 27 Jul 2018 13:38:54 +0100
Subject: [PATCH 008/268] irqchip/gic-v3-its: Move pending table allocation to
Subject: [PATCH 008/283] irqchip/gic-v3-its: Move pending table allocation to
init time
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

4
kernel/patches-4.19.x-rt/0009-kthread-convert-worker-lock-to-raw-spinlock.patch
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@ -1,7 +1,7 @@
From 9e8f94470c29280436a04d2d6d1eeb61667b0af8 Mon Sep 17 00:00:00 2001
From cd9320a1954642117f572891a8b45b177e6b0ebf Mon Sep 17 00:00:00 2001
From: Julia Cartwright <julia@ni.com>
Date: Fri, 28 Sep 2018 21:03:51 +0000
Subject: [PATCH 009/268] kthread: convert worker lock to raw spinlock
Subject: [PATCH 009/283] kthread: convert worker lock to raw spinlock
In order to enable the queuing of kthread work items from hardirq
context even when PREEMPT_RT_FULL is enabled, convert the worker

4
kernel/patches-4.19.x-rt/0010-crypto-caam-qi-simplify-CGR-allocation-freeing.patch
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@ -1,7 +1,7 @@
From ab7516f814d1df7736f158b4217b78c99e40168e Mon Sep 17 00:00:00 2001
From d4cc8969937e548b95b4d6f40804a4b706c9b441 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Horia=20Geant=C4=83?= <horia.geanta@nxp.com>
Date: Mon, 8 Oct 2018 14:09:37 +0300
Subject: [PATCH 010/268] crypto: caam/qi - simplify CGR allocation, freeing
Subject: [PATCH 010/283] crypto: caam/qi - simplify CGR allocation, freeing
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

4
kernel/patches-4.19.x-rt/0011-sched-fair-Robustify-CFS-bandwidth-timer-locking.patch
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@ -1,7 +1,7 @@
From cfe30af225801582b76bde294f920c8018ccb75a Mon Sep 17 00:00:00 2001
From 256f2e459fd2eea3e04b6b9934f06c46e19185bb Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <peterz@infradead.org>
Date: Mon, 7 Jan 2019 13:52:31 +0100
Subject: [PATCH 011/268] sched/fair: Robustify CFS-bandwidth timer locking
Subject: [PATCH 011/283] sched/fair: Robustify CFS-bandwidth timer locking
Traditionally hrtimer callbacks were run with IRQs disabled, but with
the introduction of HRTIMER_MODE_SOFT it is possible they run from

4
kernel/patches-4.19.x-rt/0012-arm-Convert-arm-boot_lock-to-raw.patch
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@ -1,7 +1,7 @@
From cd3c3d6a852d1ad0077e1fbbd667c7a715b7daad Mon Sep 17 00:00:00 2001
From 3c866fa6b40a3acfe50a091680cd9f51a54cd45b Mon Sep 17 00:00:00 2001
From: Frank Rowand <frank.rowand@am.sony.com>
Date: Mon, 19 Sep 2011 14:51:14 -0700
Subject: [PATCH 012/268] arm: Convert arm boot_lock to raw
Subject: [PATCH 012/283] arm: Convert arm boot_lock to raw
The arm boot_lock is used by the secondary processor startup code. The locking
task is the idle thread, which has idle->sched_class == &idle_sched_class.

4
kernel/patches-4.19.x-rt/0013-x86-ioapic-Don-t-let-setaffinity-unmask-threaded-EOI.patch
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@ -1,7 +1,7 @@
From d3b004343e524bde70e0ff21eb2ef4d4989a21d5 Mon Sep 17 00:00:00 2001
From abbec8803a7e474a1e1a1b1ee105de8ffd0c8cbc Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 17 Jul 2018 18:25:31 +0200
Subject: [PATCH 013/268] x86/ioapic: Don't let setaffinity unmask threaded EOI
Subject: [PATCH 013/283] x86/ioapic: Don't let setaffinity unmask threaded EOI
interrupt too early
There is an issue with threaded interrupts which are marked ONESHOT

4
kernel/patches-4.19.x-rt/0014-cgroup-use-irqsave-in-cgroup_rstat_flush_locked.patch
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@ -1,7 +1,7 @@
From bce3ba7d9bf5c645f5425e98fc15f9c14c4d1bd5 Mon Sep 17 00:00:00 2001
From 39150ca165ea6d7d6b5ffe76efb6170893ffdb06 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Tue, 3 Jul 2018 18:19:48 +0200
Subject: [PATCH 014/268] cgroup: use irqsave in cgroup_rstat_flush_locked()
Subject: [PATCH 014/283] cgroup: use irqsave in cgroup_rstat_flush_locked()
All callers of cgroup_rstat_flush_locked() acquire cgroup_rstat_lock
either with spin_lock_irq() or spin_lock_irqsave().

4
kernel/patches-4.19.x-rt/0015-fscache-initialize-cookie-hash-table-raw-spinlocks.patch
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@ -1,7 +1,7 @@
From bdc5bf179f2fd29ef29ea44993ad316ffaae41b3 Mon Sep 17 00:00:00 2001
From 6c83cc3183d8efc6378788160d78a3a917a5ae96 Mon Sep 17 00:00:00 2001
From: Clark Williams <williams@redhat.com>
Date: Tue, 3 Jul 2018 13:34:30 -0500
Subject: [PATCH 015/268] fscache: initialize cookie hash table raw spinlocks
Subject: [PATCH 015/283] fscache: initialize cookie hash table raw spinlocks
The fscache cookie mechanism uses a hash table of hlist_bl_head structures. The
PREEMPT_RT patcheset adds a raw spinlock to this structure and so on PREEMPT_RT

4
kernel/patches-4.19.x-rt/0016-Drivers-hv-vmbus-include-header-for-get_irq_regs.patch
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@ -1,7 +1,7 @@
From d748238ff973cd42f7e7d6d2eb0476960d2c5a77 Mon Sep 17 00:00:00 2001
From fdfc7c94f7e160bd80c27ac31c6823fbb20330f7 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Wed, 29 Aug 2018 21:59:04 +0200
Subject: [PATCH 016/268] Drivers: hv: vmbus: include header for get_irq_regs()
Subject: [PATCH 016/283] Drivers: hv: vmbus: include header for get_irq_regs()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

4
kernel/patches-4.19.x-rt/0017-percpu-include-irqflags.h-for-raw_local_irq_save.patch
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@ -1,7 +1,7 @@
From b9113e5cdf8382192972523dbb746daea3aa90b1 Mon Sep 17 00:00:00 2001
From 31f7158d8389cec550de5964422b1123fc94079b Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 11 Oct 2018 16:39:59 +0200
Subject: [PATCH 017/268] percpu: include irqflags.h for raw_local_irq_save()
Subject: [PATCH 017/283] percpu: include irqflags.h for raw_local_irq_save()
The header percpu.h header file is using raw_local_irq_save() but does
not include irqflags.h for its definition. It compiles because the

4
kernel/patches-4.19.x-rt/0018-efi-Allow-efi-runtime.patch
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@ -1,7 +1,7 @@
From 58823352a672562d5c098affcb951fbe43b6d721 Mon Sep 17 00:00:00 2001
From fcb3ebea1da6aede14a10c28a06902043072f250 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 26 Jul 2018 15:06:10 +0200
Subject: [PATCH 018/268] efi: Allow efi=runtime
Subject: [PATCH 018/283] efi: Allow efi=runtime
In case the option "efi=noruntime" is default at built-time, the user
could overwrite its sate by `efi=runtime' and allow it again.

4
kernel/patches-4.19.x-rt/0019-x86-efi-drop-task_lock-from-efi_switch_mm.patch
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@ -1,7 +1,7 @@
From eb484bfff976730c7eaac1843e193e1fb6c949c4 Mon Sep 17 00:00:00 2001
From 9dda6e746277e68f244d5660b5a3f3f85b0d9be0 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Tue, 24 Jul 2018 14:48:55 +0200
Subject: [PATCH 019/268] x86/efi: drop task_lock() from efi_switch_mm()
Subject: [PATCH 019/283] x86/efi: drop task_lock() from efi_switch_mm()
efi_switch_mm() is a wrapper around switch_mm() which saves current's
->active_mm, sets the requests mm as ->active_mm and invokes

4
kernel/patches-4.19.x-rt/0020-arm64-KVM-compute_layout-before-altenates-are-applie.patch
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@ -1,7 +1,7 @@
From 0d6bc3016c56136ba59d6a3519ba23bcaecf4e37 Mon Sep 17 00:00:00 2001
From b66a9f85a9e8ee817d0e2de1637bf95b7710127f Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 26 Jul 2018 09:13:42 +0200
Subject: [PATCH 020/268] arm64: KVM: compute_layout before altenates are
Subject: [PATCH 020/283] arm64: KVM: compute_layout before altenates are
applied
compute_layout() is invoked as part of an alternative fixup under

4
kernel/patches-4.19.x-rt/0021-of-allocate-free-phandle-cache-outside-of-the-devtre.patch
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@ -1,7 +1,7 @@
From 7912b78543a4d0312c0b7c625bb7ab26360c477a Mon Sep 17 00:00:00 2001
From 6d0f5b28de481062ee69b0d62ae5ef2fc5101f9c Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 31 Aug 2018 14:16:30 +0200
Subject: [PATCH 021/268] of: allocate / free phandle cache outside of the
Subject: [PATCH 021/283] of: allocate / free phandle cache outside of the
devtree_lock
The phandle cache code allocates memory while holding devtree_lock which

4
kernel/patches-4.19.x-rt/0022-mm-kasan-make-quarantine_lock-a-raw_spinlock_t.patch
View File

@ -1,7 +1,7 @@
From 6e5efbd87443d2c1a3df01401ed51638d28d50c1 Mon Sep 17 00:00:00 2001
From 3ec52d2ee13b6e83429a4f7a048a0005305b8033 Mon Sep 17 00:00:00 2001
From: Clark Williams <williams@redhat.com>
Date: Tue, 18 Sep 2018 10:29:31 -0500
Subject: [PATCH 022/268] mm/kasan: make quarantine_lock a raw_spinlock_t
Subject: [PATCH 022/283] mm/kasan: make quarantine_lock a raw_spinlock_t
The static lock quarantine_lock is used in quarantine.c to protect the
quarantine queue datastructures. It is taken inside quarantine queue

4
kernel/patches-4.19.x-rt/0023-EXP-rcu-Revert-expedited-GP-parallelization-cleverne.patch
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@ -1,7 +1,7 @@
From 3e3086ae2a7f6bb9834e51d8322673247a1d3e4c Mon Sep 17 00:00:00 2001
From 22ddccee8b48a817b261c98dda99967345475755 Mon Sep 17 00:00:00 2001
From: "Paul E. McKenney" <paulmck@linux.ibm.com>
Date: Mon, 29 Oct 2018 11:53:01 +0100
Subject: [PATCH 023/268] EXP rcu: Revert expedited GP parallelization
Subject: [PATCH 023/283] EXP rcu: Revert expedited GP parallelization
cleverness
(Commit 258ba8e089db23f760139266c232f01bad73f85c from linux-rcu)

4
kernel/patches-4.19.x-rt/0024-kmemleak-Turn-kmemleak_lock-to-raw-spinlock-on-RT.patch
View File

@ -1,7 +1,7 @@
From e27fcb8add849554b0073094e6685ca3248b0f01 Mon Sep 17 00:00:00 2001
From ced9290a5d8460c8a46615a475cd094bc3b0c344 Mon Sep 17 00:00:00 2001
From: He Zhe <zhe.he@windriver.com>
Date: Wed, 19 Dec 2018 16:30:57 +0100
Subject: [PATCH 024/268] kmemleak: Turn kmemleak_lock to raw spinlock on RT
Subject: [PATCH 024/283] kmemleak: Turn kmemleak_lock to raw spinlock on RT
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

10
kernel/patches-4.19.x-rt/0025-NFSv4-replace-seqcount_t-with-a-seqlock_t.patch
View File

@ -1,7 +1,7 @@
From 8f433a327631f56d446edaa607b815681c84073d Mon Sep 17 00:00:00 2001
From e1b321401ca437984b8973749826aea3a245e15b Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 28 Oct 2016 23:05:11 +0200
Subject: [PATCH 025/268] NFSv4: replace seqcount_t with a seqlock_t
Subject: [PATCH 025/283] NFSv4: replace seqcount_t with a seqlock_t
The raw_write_seqcount_begin() in nfs4_reclaim_open_state() bugs me
because it maps to preempt_disable() in -RT which I can't have at this
@ -57,10 +57,10 @@ index 63287d911c08..2ae55eaa4a1e 100644
};
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 53cf8599a46e..42850fb5944b 100644
index 1de855e0ae61..78c3f4359e76 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2863,7 +2863,7 @@ static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata,
@@ -2865,7 +2865,7 @@ static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata,
unsigned int seq;
int ret;
@ -69,7 +69,7 @@ index 53cf8599a46e..42850fb5944b 100644
ret = _nfs4_proc_open(opendata, ctx);
if (ret != 0)
@@ -2904,7 +2904,7 @@ static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata,
@@ -2906,7 +2906,7 @@ static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata,
if (d_inode(dentry) == state->inode) {
nfs_inode_attach_open_context(ctx);

8
kernel/patches-4.19.x-rt/0026-kernel-sched-Provide-a-pointer-to-the-valid-CPU-mask.patch
View File

@ -1,7 +1,7 @@
From e22533415f2d2e4fbc723286a1946a5ac1c3d2ed Mon Sep 17 00:00:00 2001
From 02954bb06eedf19db3637fea6699d0dc1761b270 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Tue, 4 Apr 2017 12:50:16 +0200
Subject: [PATCH 026/268] kernel: sched: Provide a pointer to the valid CPU
Subject: [PATCH 026/283] kernel: sched: Provide a pointer to the valid CPU
mask
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
@ -254,7 +254,7 @@ index 98e1ce14fa2a..5d3828625017 100644
if (weight == 1 && !test_bit(cpu, qib_cpulist))
if (!find_hca(cpu, &unit) && unit >= 0)
diff --git a/fs/proc/array.c b/fs/proc/array.c
index 0ceb3b6b37e7..ccfef702c771 100644
index 9eb99a43f849..e4d0cfebaac5 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -381,9 +381,9 @@ static inline void task_context_switch_counts(struct seq_file *m,
@ -307,7 +307,7 @@ index 5aebe3be4d7c..0b49b9cf5571 100644
.mm = NULL,
.active_mm = &init_mm,
diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c
index 266f10cb7222..ef085d84a940 100644
index ff956ccbb6df..7bb129c5b412 100644
--- a/kernel/cgroup/cpuset.c
+++ b/kernel/cgroup/cpuset.c
@@ -2090,7 +2090,7 @@ static void cpuset_fork(struct task_struct *task)

4
kernel/patches-4.19.x-rt/0027-kernel-sched-core-add-migrate_disable.patch
View File

@ -1,7 +1,7 @@
From de7795ed1a14201e737e05a2d1b240a9dc6aded6 Mon Sep 17 00:00:00 2001
From bda814671dc9f9f74cabd99a65cad3101b68ee83 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat, 27 May 2017 19:02:06 +0200
Subject: [PATCH 027/268] kernel/sched/core: add migrate_disable()
Subject: [PATCH 027/283] kernel/sched/core: add migrate_disable()
---
include/linux/preempt.h | 23 +++++++

4
kernel/patches-4.19.x-rt/0028-sched-migrate_disable-Add-export_symbol_gpl-for-__mi.patch
View File

@ -1,7 +1,7 @@
From 3eb644da699b9d5916ad3b0e8465e4edc5f6a333 Mon Sep 17 00:00:00 2001
From 6fb56185df42e49e0e2d8fe12d315356a57f4bce Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Tue, 9 Oct 2018 17:34:50 +0200
Subject: [PATCH 028/268] sched/migrate_disable: Add export_symbol_gpl for
Subject: [PATCH 028/283] sched/migrate_disable: Add export_symbol_gpl for
__migrate_disabled
Jonathan reported that lttng/modules can't use __migrate_disabled().

4
kernel/patches-4.19.x-rt/0029-arm-at91-do-not-disable-enable-clocks-in-a-row.patch
View File

@ -1,7 +1,7 @@
From c397de61ffe5014b500d4cb9041776ee6f1fdf96 Mon Sep 17 00:00:00 2001
From 35e0294d43f7c53bdb7ecba19df0710037d888ec Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Wed, 9 Mar 2016 10:51:06 +0100
Subject: [PATCH 029/268] arm: at91: do not disable/enable clocks in a row
Subject: [PATCH 029/283] arm: at91: do not disable/enable clocks in a row
Currently the driver will disable the clock and enable it one line later
if it is switching from periodic mode into one shot.

4
kernel/patches-4.19.x-rt/0030-clocksource-TCLIB-Allow-higher-clock-rates-for-clock.patch
View File

@ -1,7 +1,7 @@
From b0ab70a4f78b70454e5b35d8a21170fedc297c06 Mon Sep 17 00:00:00 2001
From 4d4322de76f7b52df1529acfc6e5fc46e25761f1 Mon Sep 17 00:00:00 2001
From: Benedikt Spranger <b.spranger@linutronix.de>
Date: Mon, 8 Mar 2010 18:57:04 +0100
Subject: [PATCH 030/268] clocksource: TCLIB: Allow higher clock rates for
Subject: [PATCH 030/283] clocksource: TCLIB: Allow higher clock rates for
clock events
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8

8
kernel/patches-4.19.x-rt/0031-timekeeping-Split-jiffies-seqlock.patch
View File

@ -1,7 +1,7 @@
From b09d65be8e3e09795b3ce4ab655f04b5a7b42217 Mon Sep 17 00:00:00 2001
From 64f770d93319861d308ce265a4389e4ca0a6ed5f Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 14 Feb 2013 22:36:59 +0100
Subject: [PATCH 031/268] timekeeping: Split jiffies seqlock
Subject: [PATCH 031/283] timekeeping: Split jiffies seqlock
Replace jiffies_lock seqlock with a simple seqcounter and a rawlock so
it can be taken in atomic context on RT.
@ -135,10 +135,10 @@ index 5b33e2f5c0ed..54fd344ef973 100644
ts->timer_expires_base = basemono;
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 9a6bfcd22dc6..5e584cdebd24 100644
index 443edcddac8a..0517bc42c6b6 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -2417,8 +2417,10 @@ EXPORT_SYMBOL(hardpps);
@@ -2418,8 +2418,10 @@ EXPORT_SYMBOL(hardpps);
*/
void xtime_update(unsigned long ticks)
{

4
kernel/patches-4.19.x-rt/0032-signal-Revert-ptrace-preempt-magic.patch
View File

@ -1,7 +1,7 @@
From f1184fbeee330b224af538e519e2215522bbc951 Mon Sep 17 00:00:00 2001
From 8cf90f7e58f51438a7ec0e4e704918afaa450ff1 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 21 Sep 2011 19:57:12 +0200
Subject: [PATCH 032/268] signal: Revert ptrace preempt magic
Subject: [PATCH 032/283] signal: Revert ptrace preempt magic
Upstream commit '53da1d9456fe7f8 fix ptrace slowness' is nothing more
than a bandaid around the ptrace design trainwreck. It's not a

4
kernel/patches-4.19.x-rt/0033-net-sched-Use-msleep-instead-of-yield.patch
View File

@ -1,7 +1,7 @@
From 677aefdaf998f7a5c0fe715201a903187adf03e3 Mon Sep 17 00:00:00 2001
From 882c4f88db8d6179773dc733e794fa504aef75e3 Mon Sep 17 00:00:00 2001
From: Marc Kleine-Budde <mkl@pengutronix.de>
Date: Wed, 5 Mar 2014 00:49:47 +0100
Subject: [PATCH 033/268] net: sched: Use msleep() instead of yield()
Subject: [PATCH 033/283] net: sched: Use msleep() instead of yield()
On PREEMPT_RT enabled systems the interrupt handler run as threads at prio 50
(by default). If a high priority userspace process tries to shut down a busy

4
kernel/patches-4.19.x-rt/0034-dm-rq-remove-BUG_ON-irqs_disabled-check.patch
View File

@ -1,7 +1,7 @@
From 7f70887609c161140d9b37c3865fd0e01c755e11 Mon Sep 17 00:00:00 2001
From ea6d238547b58b5fe9ce953cd818ef8bf6cb8915 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Tue, 27 Mar 2018 16:24:15 +0200
Subject: [PATCH 034/268] dm rq: remove BUG_ON(!irqs_disabled) check
Subject: [PATCH 034/283] dm rq: remove BUG_ON(!irqs_disabled) check
In commit 052189a2ec95 ("dm: remove superfluous irq disablement in
dm_request_fn") the spin_lock_irq() was replaced with spin_lock() + a

4
kernel/patches-4.19.x-rt/0035-usb-do-no-disable-interrupts-in-giveback.patch
View File

@ -1,7 +1,7 @@
From a7d0a6cef67c51b65ef7a826069f17fd3e027d7c Mon Sep 17 00:00:00 2001
From b91ae27f3efa2e15087397591db35dd1d11f5120 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 8 Nov 2013 17:34:54 +0100
Subject: [PATCH 035/268] usb: do no disable interrupts in giveback
Subject: [PATCH 035/283] usb: do no disable interrupts in giveback
Since commit 94dfd7ed ("USB: HCD: support giveback of URB in tasklet
context") the USB code disables interrupts before invoking the complete

4
kernel/patches-4.19.x-rt/0036-rt-Provide-PREEMPT_RT_BASE-config-switch.patch
View File

@ -1,7 +1,7 @@
From f478188cf8735d85f62c91f1766b395f8294e72c Mon Sep 17 00:00:00 2001
From 79f8ad95ffc5f1cd2ac721ab3d01291d4ad055df Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 17 Jun 2011 12:39:57 +0200
Subject: [PATCH 036/268] rt: Provide PREEMPT_RT_BASE config switch
Subject: [PATCH 036/283] rt: Provide PREEMPT_RT_BASE config switch
Introduce PREEMPT_RT_BASE which enables parts of
PREEMPT_RT_FULL. Forces interrupt threading and enables some of the RT

4
kernel/patches-4.19.x-rt/0037-cpumask-Disable-CONFIG_CPUMASK_OFFSTACK-for-RT.patch
View File

@ -1,7 +1,7 @@
From e32f48e4f42494ed9a8908091c76af925fca59d6 Mon Sep 17 00:00:00 2001
From 75df679c581581978487f6f6de91bf86a9f72e7c Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 14 Dec 2011 01:03:49 +0100
Subject: [PATCH 037/268] cpumask: Disable CONFIG_CPUMASK_OFFSTACK for RT
Subject: [PATCH 037/283] cpumask: Disable CONFIG_CPUMASK_OFFSTACK for RT
There are "valid" GFP_ATOMIC allocations such as

4
kernel/patches-4.19.x-rt/0038-jump-label-disable-if-stop_machine-is-used.patch
View File

@ -1,7 +1,7 @@
From c4b0f04fc2d915cc272de6018b5581fce5d5dda7 Mon Sep 17 00:00:00 2001
From b5d77d6b4b4bcead77cd720e8a93f4ae78420034 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 8 Jul 2015 17:14:48 +0200
Subject: [PATCH 038/268] jump-label: disable if stop_machine() is used
Subject: [PATCH 038/283] jump-label: disable if stop_machine() is used
Some architectures are using stop_machine() while switching the opcode which
leads to latency spikes.

6
kernel/patches-4.19.x-rt/0039-kconfig-Disable-config-options-which-are-not-RT-comp.patch
View File

@ -1,7 +1,7 @@
From 29c669c7c70f5c80be40b69f20b4c4a8034ee7a1 Mon Sep 17 00:00:00 2001
From 94fd428643474b867a8cac432d7d911a5250c367 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 24 Jul 2011 12:11:43 +0200
Subject: [PATCH 039/268] kconfig: Disable config options which are not RT
Subject: [PATCH 039/283] kconfig: Disable config options which are not RT
compatible
Disable stuff which is known to have issues on RT
@ -25,7 +25,7 @@ index a336548487e6..3f537b264852 100644
select RING_BUFFER_ALLOW_SWAP
help
diff --git a/mm/Kconfig b/mm/Kconfig
index de64ea658716..438460486a5b 100644
index b457e94ae618..0dddbb2a3282 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -377,7 +377,7 @@ config NOMMU_INITIAL_TRIM_EXCESS

4
kernel/patches-4.19.x-rt/0040-lockdep-disable-self-test.patch
View File

@ -1,7 +1,7 @@
From 36f9204a770887f7280fb9db2450f6dd8ef11b33 Mon Sep 17 00:00:00 2001
From 1a9e9b418236c18717a91955eeafe5bd72a00598 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Tue, 17 Oct 2017 16:36:18 +0200
Subject: [PATCH 040/268] lockdep: disable self-test
Subject: [PATCH 040/283] lockdep: disable self-test
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

4
kernel/patches-4.19.x-rt/0041-mm-Allow-only-slub-on-RT.patch
View File

@ -1,7 +1,7 @@
From 13ed901518597f2db47f69a5e06cd219389bc331 Mon Sep 17 00:00:00 2001
From 75102ff5e253e5ababc30c7512e0c07f2b7dc297 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 3 Jul 2009 08:44:03 -0500
Subject: [PATCH 041/268] mm: Allow only slub on RT
Subject: [PATCH 041/283] mm: Allow only slub on RT
Disable SLAB and SLOB on -RT. Only SLUB is adopted to -RT needs.

4
kernel/patches-4.19.x-rt/0042-locking-Disable-spin-on-owner-for-RT.patch
View File

@ -1,7 +1,7 @@
From 3437a78b60ceab08492a829b2e8662f7ec640860 Mon Sep 17 00:00:00 2001
From 32697a0be9afdc5c631cc3d232a298b5880ed65c Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 17 Jul 2011 21:51:45 +0200
Subject: [PATCH 042/268] locking: Disable spin on owner for RT
Subject: [PATCH 042/283] locking: Disable spin on owner for RT
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

4
kernel/patches-4.19.x-rt/0043-rcu-Disable-RCU_FAST_NO_HZ-on-RT.patch
View File

@ -1,7 +1,7 @@
From 43b1a887cc73fc7f4685ceb5b0e34671e87989b7 Mon Sep 17 00:00:00 2001
From 708879e986c1b552ee69d6444b808a196bba0f5f Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 28 Oct 2012 13:26:09 +0000
Subject: [PATCH 043/268] rcu: Disable RCU_FAST_NO_HZ on RT
Subject: [PATCH 043/283] rcu: Disable RCU_FAST_NO_HZ on RT
This uses a timer_list timer from the irq disabled guts of the idle
code. Disable it for now to prevent wreckage.

4
kernel/patches-4.19.x-rt/0044-rcu-make-RCU_BOOST-default-on-RT.patch
View File

@ -1,7 +1,7 @@
From f9b4cb4ccfa7e2d695d4510b8159b5205fe80c97 Mon Sep 17 00:00:00 2001
From a14822b6d5fcc441064faf3edc2f91b5d461e703 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 21 Mar 2014 20:19:05 +0100
Subject: [PATCH 044/268] rcu: make RCU_BOOST default on RT
Subject: [PATCH 044/283] rcu: make RCU_BOOST default on RT
Since it is no longer invoked from the softirq people run into OOM more
often if the priority of the RCU thread is too low. Making boosting

4
kernel/patches-4.19.x-rt/0045-sched-Disable-CONFIG_RT_GROUP_SCHED-on-RT.patch
View File

@ -1,7 +1,7 @@
From ca1b9c071f5b45c0d82722d5b9f957d4c2be185e Mon Sep 17 00:00:00 2001
From 36c33c65b461082612dffa7be01862b7bd55270e Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 18 Jul 2011 17:03:52 +0200
Subject: [PATCH 045/268] sched: Disable CONFIG_RT_GROUP_SCHED on RT
Subject: [PATCH 045/283] sched: Disable CONFIG_RT_GROUP_SCHED on RT
Carsten reported problems when running:

4
kernel/patches-4.19.x-rt/0046-net-core-disable-NET_RX_BUSY_POLL.patch
View File

@ -1,7 +1,7 @@
From efe57b197e5cc1e85e486bebe98e95235f5c3410 Mon Sep 17 00:00:00 2001
From f2b7e396c43d3607ee0a0090c7470da50f833e93 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat, 27 May 2017 19:02:06 +0200
Subject: [PATCH 046/268] net/core: disable NET_RX_BUSY_POLL
Subject: [PATCH 046/283] net/core: disable NET_RX_BUSY_POLL
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

4
kernel/patches-4.19.x-rt/0047-arm-disable-NEON-in-kernel-mode.patch
View File

@ -1,7 +1,7 @@
From f9353b78df9da136edb2afc49f247e8576de5764 Mon Sep 17 00:00:00 2001
From 477660c22f2036e69299438b1292307ee1dba46b Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 1 Dec 2017 10:42:03 +0100
Subject: [PATCH 047/268] arm*: disable NEON in kernel mode
Subject: [PATCH 047/283] arm*: disable NEON in kernel mode
NEON in kernel mode is used by the crypto algorithms and raid6 code.
While the raid6 code looks okay, the crypto algorithms do not: NEON

4
kernel/patches-4.19.x-rt/0048-powerpc-Use-generic-rwsem-on-RT.patch
View File

@ -1,7 +1,7 @@
From 11ee0822882b1b72d163eb6fbdf161b8f9178f7c Mon Sep 17 00:00:00 2001
From 297ef639cbc4bc3aac2e5a8835090136753796fc Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 14 Jul 2015 14:26:34 +0200
Subject: [PATCH 048/268] powerpc: Use generic rwsem on RT
Subject: [PATCH 048/283] powerpc: Use generic rwsem on RT
Use generic code which uses rtmutex

4
kernel/patches-4.19.x-rt/0049-powerpc-kvm-Disable-in-kernel-MPIC-emulation-for-PRE.patch
View File

@ -1,7 +1,7 @@
From ee886c042d19029e21776b96c9e1f1f9d00d2da4 Mon Sep 17 00:00:00 2001
From 3bead4e3fc7560659c1982ace99de374aa9df79c Mon Sep 17 00:00:00 2001
From: Bogdan Purcareata <bogdan.purcareata@freescale.com>
Date: Fri, 24 Apr 2015 15:53:13 +0000
Subject: [PATCH 049/268] powerpc/kvm: Disable in-kernel MPIC emulation for
Subject: [PATCH 049/283] powerpc/kvm: Disable in-kernel MPIC emulation for
PREEMPT_RT_FULL
While converting the openpic emulation code to use a raw_spinlock_t enables

4
kernel/patches-4.19.x-rt/0050-powerpc-Disable-highmem-on-RT.patch
View File

@ -1,7 +1,7 @@
From 9a80112c0cde9a52ce2e158bd6391f0e5035dc04 Mon Sep 17 00:00:00 2001
From ae9000e3c66794249fbca61b8a71bcdf690910e0 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 18 Jul 2011 17:08:34 +0200
Subject: [PATCH 050/268] powerpc: Disable highmem on RT
Subject: [PATCH 050/283] powerpc: Disable highmem on RT
The current highmem handling on -RT is not compatible and needs fixups.

4
kernel/patches-4.19.x-rt/0051-mips-Disable-highmem-on-RT.patch
View File

@ -1,7 +1,7 @@
From 593308991349a9b9d16ccb020dee918680b9f6e4 Mon Sep 17 00:00:00 2001
From 454e636edd0bb26495afb3850a37aa5e5214a4ed Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 18 Jul 2011 17:10:12 +0200
Subject: [PATCH 051/268] mips: Disable highmem on RT
Subject: [PATCH 051/283] mips: Disable highmem on RT
The current highmem handling on -RT is not compatible and needs fixups.

4
kernel/patches-4.19.x-rt/0052-x86-Use-generic-rwsem_spinlocks-on-rt.patch
View File

@ -1,7 +1,7 @@
From 4609ae9016c2cac126bafd6b4efb7bc5be590bbc Mon Sep 17 00:00:00 2001
From 5c86aec91ae10f140d18bd33cd62783cdde0922d Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 26 Jul 2009 02:21:32 +0200
Subject: [PATCH 052/268] x86: Use generic rwsem_spinlocks on -rt
Subject: [PATCH 052/283] x86: Use generic rwsem_spinlocks on -rt
Simplifies the separation of anon_rw_semaphores and rw_semaphores for
-rt.

4
kernel/patches-4.19.x-rt/0053-leds-trigger-disable-CPU-trigger-on-RT.patch
View File

@ -1,7 +1,7 @@
From 542738bf81c9f5b0ab0de898b1c785fb12a5caf8 Mon Sep 17 00:00:00 2001
From 9cd1a715d85ace3e9b1d3ae703eb16744dd3ebb6 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 23 Jan 2014 14:45:59 +0100
Subject: [PATCH 053/268] leds: trigger: disable CPU trigger on -RT
Subject: [PATCH 053/283] leds: trigger: disable CPU trigger on -RT
as it triggers:
|CPU: 0 PID: 0 Comm: swapper Not tainted 3.12.8-rt10 #141

4
kernel/patches-4.19.x-rt/0054-cpufreq-drop-K8-s-driver-from-beeing-selected.patch
View File

@ -1,7 +1,7 @@
From 0dcf02e4d56dcf2255f436d792959cf28a04dc54 Mon Sep 17 00:00:00 2001
From f19ffb87fe48ba1e8904df670b13d52f8b9c08f1 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 9 Apr 2015 15:23:01 +0200
Subject: [PATCH 054/268] cpufreq: drop K8's driver from beeing selected
Subject: [PATCH 054/283] cpufreq: drop K8's driver from beeing selected
Ralf posted a picture of a backtrace from

4
kernel/patches-4.19.x-rt/0055-md-disable-bcache.patch
View File

@ -1,7 +1,7 @@
From a01400fc47cb4ce13c00b03a908533848af6cf74 Mon Sep 17 00:00:00 2001
From 3b1c3bc41b87cd7a714ebfa5e88651d4f3326f2e Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 29 Aug 2013 11:48:57 +0200
Subject: [PATCH 055/268] md: disable bcache
Subject: [PATCH 055/283] md: disable bcache
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

4
kernel/patches-4.19.x-rt/0056-efi-Disable-runtime-services-on-RT.patch
View File

@ -1,7 +1,7 @@
From d141803da471bfe539c38f8022cf8f6297aa27a6 Mon Sep 17 00:00:00 2001
From f0e7a6e0f76d2ab27a0c5ef0f7872d971ec1dd23 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 26 Jul 2018 15:03:16 +0200
Subject: [PATCH 056/268] efi: Disable runtime services on RT
Subject: [PATCH 056/283] efi: Disable runtime services on RT
Based on meassurements the EFI functions get_variable /
get_next_variable take up to 2us which looks okay.

4
kernel/patches-4.19.x-rt/0057-printk-Add-a-printk-kill-switch.patch
View File

@ -1,7 +1,7 @@
From 9de1c1091c3b7a7d6037733b3d3026601eb096cd Mon Sep 17 00:00:00 2001
From d1e9e20fe16f16a1665eabaa44a0f1c2a4cebfec Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 22 Jul 2011 17:58:40 +0200
Subject: [PATCH 057/268] printk: Add a printk kill switch
Subject: [PATCH 057/283] printk: Add a printk kill switch
Add a prinkt-kill-switch. This is used from (NMI) watchdog to ensure that
it does not dead-lock with the early printk code.

4
kernel/patches-4.19.x-rt/0058-printk-Add-force_early_printk-boot-param-to-help-wit.patch
View File

@ -1,7 +1,7 @@
From 55ac9fe1a16eab7f85e646280cb842f4cf31e27d Mon Sep 17 00:00:00 2001
From 3d881bc012788bea38e0bf55b03d9996eb40b1b9 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <peterz@infradead.org>
Date: Fri, 2 Sep 2011 14:41:29 +0200
Subject: [PATCH 058/268] printk: Add "force_early_printk" boot param to help
Subject: [PATCH 058/283] printk: Add "force_early_printk" boot param to help
with debugging
Gives me an option to screw printk and actually see what the machine

4
kernel/patches-4.19.x-rt/0059-preempt-Provide-preempt_-_-no-rt-variants.patch
View File

@ -1,7 +1,7 @@
From bfb747584de1b0f321d8f3b893580b4d39f93fec Mon Sep 17 00:00:00 2001
From 6a3ec551d9ea7e49f20d8f9d3d45fb8d9ca1b720 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 24 Jul 2009 12:38:56 +0200
Subject: [PATCH 059/268] preempt: Provide preempt_*_(no)rt variants
Subject: [PATCH 059/283] preempt: Provide preempt_*_(no)rt variants
RT needs a few preempt_disable/enable points which are not necessary
otherwise. Implement variants to avoid #ifdeffery.

4
kernel/patches-4.19.x-rt/0060-futex-workaround-migrate_disable-enable-in-different.patch
View File

@ -1,7 +1,7 @@
From 66ea8bcf4a5d31c51bb0b08b6fcfdb920bf7df51 Mon Sep 17 00:00:00 2001
From 02487d0393920e03426a2378e40bc7547193c3aa Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 8 Mar 2017 14:23:35 +0100
Subject: [PATCH 060/268] futex: workaround migrate_disable/enable in different
Subject: [PATCH 060/283] futex: workaround migrate_disable/enable in different
context
migrate_disable()/migrate_enable() takes a different path in atomic() vs

4
kernel/patches-4.19.x-rt/0061-rt-Add-local-irq-locks.patch
View File

@ -1,7 +1,7 @@
From 4104d3d4d2d94ac19edef31fef10a471b4085c24 Mon Sep 17 00:00:00 2001
From 1e4195bafdb198d778c98aece678c7b16cd035c8 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 20 Jun 2011 09:03:47 +0200
Subject: [PATCH 061/268] rt: Add local irq locks
Subject: [PATCH 061/283] rt: Add local irq locks
Introduce locallock. For !RT this maps to preempt_disable()/
local_irq_disable() so there is not much that changes. For RT this will

4
kernel/patches-4.19.x-rt/0062-locallock-provide-get-put-_locked_ptr-variants.patch
View File

@ -1,7 +1,7 @@
From c16b283427931d20279125c773aca78b01235f68 Mon Sep 17 00:00:00 2001
From 58ee9341c0c3521cdb41239c83807a98cef97bd0 Mon Sep 17 00:00:00 2001
From: Julia Cartwright <julia@ni.com>
Date: Mon, 7 May 2018 08:58:56 -0500
Subject: [PATCH 062/268] locallock: provide {get,put}_locked_ptr() variants
Subject: [PATCH 062/283] locallock: provide {get,put}_locked_ptr() variants
Provide a set of locallocked accessors for pointers to per-CPU data;
this is useful for dynamically-allocated per-CPU regions, for example.

4
kernel/patches-4.19.x-rt/0063-mm-scatterlist-Do-not-disable-irqs-on-RT.patch
View File

@ -1,7 +1,7 @@
From c8f195054bbdf59c6e791bbd698d3ffce9776265 Mon Sep 17 00:00:00 2001
From a6c38f0b349a8921a1bfe4dcef5972cf1e2224a0 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 3 Jul 2009 08:44:34 -0500
Subject: [PATCH 063/268] mm/scatterlist: Do not disable irqs on RT
Subject: [PATCH 063/283] mm/scatterlist: Do not disable irqs on RT
For -RT it is enough to keep pagefault disabled (which is currently handled by
kmap_atomic()).

4
kernel/patches-4.19.x-rt/0064-signal-x86-Delay-calling-signals-in-atomic.patch
View File

@ -1,7 +1,7 @@
From 41445095315411d8baebfc36b2f6f30aefe2abc6 Mon Sep 17 00:00:00 2001
From f994c5279fb1173131e67419c540713cd25a59e3 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Tue, 14 Jul 2015 14:26:34 +0200
Subject: [PATCH 064/268] signal/x86: Delay calling signals in atomic
Subject: [PATCH 064/283] signal/x86: Delay calling signals in atomic
On x86_64 we must disable preemption before we enable interrupts
for stack faults, int3 and debugging, because the current task is using

4
kernel/patches-4.19.x-rt/0065-x86-signal-delay-calling-signals-on-32bit.patch
View File

@ -1,7 +1,7 @@
From f9d175548eeb780a2da87b33b2055b747bdf4618 Mon Sep 17 00:00:00 2001
From 77f58646e4722365c6b6b91802d5feddd57dff34 Mon Sep 17 00:00:00 2001
From: Yang Shi <yang.shi@linaro.org>
Date: Thu, 10 Dec 2015 10:58:51 -0800
Subject: [PATCH 065/268] x86/signal: delay calling signals on 32bit
Subject: [PATCH 065/283] x86/signal: delay calling signals on 32bit
When running some ptrace single step tests on x86-32 machine, the below problem
is triggered:

4
kernel/patches-4.19.x-rt/0066-buffer_head-Replace-bh_uptodate_lock-for-rt.patch
View File

@ -1,7 +1,7 @@
From 4412fbb024c634740aa2ab4db609244bb957fb43 Mon Sep 17 00:00:00 2001
From 86a1cbd4eddbe083ad0331f0eeec002f6fa7b322 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 18 Mar 2011 09:18:52 +0100
Subject: [PATCH 066/268] buffer_head: Replace bh_uptodate_lock for -rt
Subject: [PATCH 066/283] buffer_head: Replace bh_uptodate_lock for -rt
Wrap the bit_spin_lock calls into a separate inline and add the RT
replacements with a real spinlock.

4
kernel/patches-4.19.x-rt/0067-fs-jbd-jbd2-Make-state-lock-and-journal-head-lock-rt.patch
View File

@ -1,7 +1,7 @@
From 35cce66d60508a5221b8ffdc4a6dabd3548ba2c9 Mon Sep 17 00:00:00 2001
From a0ac5bf9b179bff5745bd4c15d14cb2ec5c81c16 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 18 Mar 2011 10:11:25 +0100
Subject: [PATCH 067/268] fs: jbd/jbd2: Make state lock and journal head lock
Subject: [PATCH 067/283] fs: jbd/jbd2: Make state lock and journal head lock
rt safe
bit_spin_locks break under RT.

4
kernel/patches-4.19.x-rt/0068-list_bl-Make-list-head-locking-RT-safe.patch
View File

@ -1,7 +1,7 @@
From 39396411087b5831b20ac4fa694b3001d358989d Mon Sep 17 00:00:00 2001
From 575440eb3e514693de4892b3589bd02b584834ef Mon Sep 17 00:00:00 2001
From: Paul Gortmaker <paul.gortmaker@windriver.com>
Date: Fri, 21 Jun 2013 15:07:25 -0400
Subject: [PATCH 068/268] list_bl: Make list head locking RT safe
Subject: [PATCH 068/283] list_bl: Make list head locking RT safe
As per changes in include/linux/jbd_common.h for avoiding the
bit_spin_locks on RT ("fs: jbd/jbd2: Make state lock and journal

4
kernel/patches-4.19.x-rt/0069-list_bl-fixup-bogus-lockdep-warning.patch
View File

@ -1,7 +1,7 @@
From fb2fdfdc67deb3b7b5541d28f9d2cdfbebbc7a9b Mon Sep 17 00:00:00 2001
From 386260fdddeed151902355b8c816f9b166c1c2b8 Mon Sep 17 00:00:00 2001
From: Josh Cartwright <joshc@ni.com>
Date: Thu, 31 Mar 2016 00:04:25 -0500
Subject: [PATCH 069/268] list_bl: fixup bogus lockdep warning
Subject: [PATCH 069/283] list_bl: fixup bogus lockdep warning
At first glance, the use of 'static inline' seems appropriate for
INIT_HLIST_BL_HEAD().

4
kernel/patches-4.19.x-rt/0070-genirq-Disable-irqpoll-on-rt.patch
View File

@ -1,7 +1,7 @@
From 3eada8624fd7eee399757276e5f33f311f2baba3 Mon Sep 17 00:00:00 2001
From d884d2bff2d643468c5e37727aa29e8f5c88b3be Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 3 Jul 2009 08:29:57 -0500
Subject: [PATCH 070/268] genirq: Disable irqpoll on -rt
Subject: [PATCH 070/283] genirq: Disable irqpoll on -rt
Creates long latencies for no value

4
kernel/patches-4.19.x-rt/0071-genirq-Force-interrupt-thread-on-RT.patch
View File

@ -1,7 +1,7 @@
From 3681b7011d489da9a82f90fee87711d1bab983fe Mon Sep 17 00:00:00 2001
From 91f768aed73cc93826112811b4e622dce0c1915f Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 3 Apr 2011 11:57:29 +0200
Subject: [PATCH 071/268] genirq: Force interrupt thread on RT
Subject: [PATCH 071/283] genirq: Force interrupt thread on RT
Force threaded_irqs and optimize the code (force_irqthreads) in regard
to this.

6
kernel/patches-4.19.x-rt/0072-Split-IRQ-off-and-zone-lock-while-freeing-pages-from.patch
View File

@ -1,7 +1,7 @@
From 95156c42eddf17dc207a94b719ec18b031e4a713 Mon Sep 17 00:00:00 2001
From 6ec0e8d1526370de73bd18c096f7f96827594308 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <peterz@infradead.org>
Date: Mon, 28 May 2018 15:24:20 +0200
Subject: [PATCH 072/268] Split IRQ-off and zone->lock while freeing pages from
Subject: [PATCH 072/283] Split IRQ-off and zone->lock while freeing pages from
PCP list #1
Split the IRQ-off section while accessing the PCP list from zone->lock
@ -17,7 +17,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
1 file changed, 52 insertions(+), 30 deletions(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 8e6932a140b8..8c10f34364c0 100644
index 2d04bd2e1ced..332b48f38d1e 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1095,7 +1095,7 @@ static inline void prefetch_buddy(struct page *page)

6
kernel/patches-4.19.x-rt/0073-Split-IRQ-off-and-zone-lock-while-freeing-pages-from.patch
View File

@ -1,7 +1,7 @@
From 85fe71fd7fa2ac8945d33c49966dde1662a13228 Mon Sep 17 00:00:00 2001
From f9efb76f365f15eaca8f29ee7f2648de90925a76 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <peterz@infradead.org>
Date: Mon, 28 May 2018 15:24:21 +0200
Subject: [PATCH 073/268] Split IRQ-off and zone->lock while freeing pages from
Subject: [PATCH 073/283] Split IRQ-off and zone->lock while freeing pages from
PCP list #2
Split the IRQ-off section while accessing the PCP list from zone->lock
@ -17,7 +17,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
1 file changed, 50 insertions(+), 10 deletions(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 8c10f34364c0..4d630aebd84f 100644
index 332b48f38d1e..55cee9a17a36 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1105,8 +1105,8 @@ static inline void prefetch_buddy(struct page *page)

8
kernel/patches-4.19.x-rt/0074-mm-SLxB-change-list_lock-to-raw_spinlock_t.patch
View File

@ -1,7 +1,7 @@
From e38ec11acd94c6fe346d33ce75e30349b1734e40 Mon Sep 17 00:00:00 2001
From 302fcfd8e9527e8f7b6ec9d733a5a3a760af64ef Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 28 May 2018 15:24:22 +0200
Subject: [PATCH 074/268] mm/SLxB: change list_lock to raw_spinlock_t
Subject: [PATCH 074/283] mm/SLxB: change list_lock to raw_spinlock_t
The list_lock is used with used with IRQs off on RT. Make it a raw_spinlock_t
otherwise the interrupts won't be disabled on -RT. The locking rules remain
@ -18,7 +18,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
3 files changed, 73 insertions(+), 73 deletions(-)
diff --git a/mm/slab.c b/mm/slab.c
index 018d32496e8d..8ccc092fcd39 100644
index 46f21e73db2f..38f6609343b3 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -233,7 +233,7 @@ static void kmem_cache_node_init(struct kmem_cache_node *parent)
@ -368,7 +368,7 @@ index 018d32496e8d..8ccc092fcd39 100644
}
num_objs = total_slabs * cachep->num;
active_slabs = total_slabs - free_slabs;
@@ -4334,13 +4334,13 @@ static int leaks_show(struct seq_file *m, void *p)
@@ -4338,13 +4338,13 @@ static int leaks_show(struct seq_file *m, void *p)
for_each_kmem_cache_node(cachep, node, n) {
check_irq_on();

4
kernel/patches-4.19.x-rt/0075-mm-SLUB-delay-giving-back-empty-slubs-to-IRQ-enabled.patch
View File

@ -1,7 +1,7 @@
From e5dbe8c3a2188b0eed47fc087904da4df4f2711a Mon Sep 17 00:00:00 2001
From 9da82885e5b9187857b5fdc2eaa482752e814fbc Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 21 Jun 2018 17:29:19 +0200
Subject: [PATCH 075/268] mm/SLUB: delay giving back empty slubs to IRQ enabled
Subject: [PATCH 075/283] mm/SLUB: delay giving back empty slubs to IRQ enabled
regions
__free_slab() is invoked with disabled interrupts which increases the

10
kernel/patches-4.19.x-rt/0076-mm-page_alloc-rt-friendly-per-cpu-pages.patch
View File

@ -1,7 +1,7 @@
From 1dc89f1379f4b2b2d2c1f1928faa9781232a804c Mon Sep 17 00:00:00 2001
From 4cd1dede47de27525631161fdc6cdfc9d8608c31 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 3 Jul 2009 08:29:37 -0500
Subject: [PATCH 076/268] mm: page_alloc: rt-friendly per-cpu pages
Subject: [PATCH 076/283] mm: page_alloc: rt-friendly per-cpu pages
rt-friendly per-cpu pages: convert the irqs-off per-cpu locking
method into a preemptible, explicit-per-cpu-locks method.
@ -17,7 +17,7 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
1 file changed, 43 insertions(+), 20 deletions(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 4d630aebd84f..4d11ec179aa7 100644
index 55cee9a17a36..99b3861b1ef6 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -60,6 +60,7 @@
@ -215,7 +215,7 @@ index 4d630aebd84f..4d11ec179aa7 100644
return NULL;
}
@@ -8094,7 +8117,7 @@ void zone_pcp_reset(struct zone *zone)
@@ -8096,7 +8119,7 @@ void zone_pcp_reset(struct zone *zone)
struct per_cpu_pageset *pset;
/* avoid races with drain_pages() */
@ -224,7 +224,7 @@ index 4d630aebd84f..4d11ec179aa7 100644
if (zone->pageset != &boot_pageset) {
for_each_online_cpu(cpu) {
pset = per_cpu_ptr(zone->pageset, cpu);
@@ -8103,7 +8126,7 @@ void zone_pcp_reset(struct zone *zone)
@@ -8105,7 +8128,7 @@ void zone_pcp_reset(struct zone *zone)
free_percpu(zone->pageset);
zone->pageset = &boot_pageset;
}

8
kernel/patches-4.19.x-rt/0077-mm-swap-Convert-to-percpu-locked.patch
View File

@ -1,7 +1,7 @@
From 3f837e858bd7d4ee248e9b075cce128beaf94252 Mon Sep 17 00:00:00 2001
From 98c01e9756e741d807b1198eb885a26e0998fcde Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 3 Jul 2009 08:29:51 -0500
Subject: [PATCH 077/268] mm/swap: Convert to percpu locked
Subject: [PATCH 077/283] mm/swap: Convert to percpu locked
Replace global locks (get_cpu + local_irq_save) with "local_locks()".
Currently there is one of for "rotate" and one for "swap".
@ -55,10 +55,10 @@ index faca45ebe62d..f8ccb9d9daa3 100644
cc->last_migrated_pfn = 0;
}
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 4d11ec179aa7..a01c15fdb723 100644
index 99b3861b1ef6..1679f5883307 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -7205,8 +7205,9 @@ void __init free_area_init(unsigned long *zones_size)
@@ -7207,8 +7207,9 @@ void __init free_area_init(unsigned long *zones_size)
static int page_alloc_cpu_dead(unsigned int cpu)
{

4
kernel/patches-4.19.x-rt/0078-mm-perform-lru_add_drain_all-remotely.patch
View File

@ -1,7 +1,7 @@
From e06defe13153f9c3195a350898b54b88fe38867b Mon Sep 17 00:00:00 2001
From f4f53c9fdf55676d783a4fbad5049f39401a0542 Mon Sep 17 00:00:00 2001
From: Luiz Capitulino <lcapitulino@redhat.com>
Date: Fri, 27 May 2016 15:03:28 +0200
Subject: [PATCH 078/268] mm: perform lru_add_drain_all() remotely
Subject: [PATCH 078/283] mm: perform lru_add_drain_all() remotely
lru_add_drain_all() works by scheduling lru_add_drain_cpu() to run
on all CPUs that have non-empty LRU pagevecs and then waiting for

4
kernel/patches-4.19.x-rt/0079-mm-vmstat-Protect-per-cpu-variables-with-preempt-dis.patch
View File

@ -1,7 +1,7 @@
From c111e38989bb30e13df9f5480f5f549b31351d28 Mon Sep 17 00:00:00 2001
From 3e1b4a0068b41c1782264376379985fb992bd41e Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 3 Jul 2009 08:30:13 -0500
Subject: [PATCH 079/268] mm/vmstat: Protect per cpu variables with preempt
Subject: [PATCH 079/283] mm/vmstat: Protect per cpu variables with preempt
disable on RT
Disable preemption on -RT for the vmstat code. On vanila the code runs in

4
kernel/patches-4.19.x-rt/0080-ARM-Initialize-split-page-table-locks-for-vector-pag.patch
View File

@ -1,7 +1,7 @@
From 6d873013d0191323247ffcc8345c08178c272988 Mon Sep 17 00:00:00 2001
From fb089e89b26bc5653a90d9983021813e15fa04d9 Mon Sep 17 00:00:00 2001
From: Frank Rowand <frank.rowand@am.sony.com>
Date: Sat, 1 Oct 2011 18:58:13 -0700
Subject: [PATCH 080/268] ARM: Initialize split page table locks for vector
Subject: [PATCH 080/283] ARM: Initialize split page table locks for vector
page
Without this patch, ARM can not use SPLIT_PTLOCK_CPUS if

4
kernel/patches-4.19.x-rt/0081-mm-Enable-SLUB-for-RT.patch
View File

@ -1,7 +1,7 @@
From 50c1ce833125e10e59496d55aadac08ac0dfec71 Mon Sep 17 00:00:00 2001
From b01d03c695bcba2149713f4425c806b5b5e3410d Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 25 Oct 2012 10:32:35 +0100
Subject: [PATCH 081/268] mm: Enable SLUB for RT
Subject: [PATCH 081/283] mm: Enable SLUB for RT
Avoid the memory allocation in IRQ section

4
kernel/patches-4.19.x-rt/0082-slub-Enable-irqs-for-__GFP_WAIT.patch
View File

@ -1,7 +1,7 @@
From 64d21bbe1300711eaf9a6c7d1977308201d8220b Mon Sep 17 00:00:00 2001
From 14471a3281f661b8b8bccdb64820879a699fb2ad Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 9 Jan 2013 12:08:15 +0100
Subject: [PATCH 082/268] slub: Enable irqs for __GFP_WAIT
Subject: [PATCH 082/283] slub: Enable irqs for __GFP_WAIT
SYSTEM_RUNNING might be too late for enabling interrupts. Allocations
with GFP_WAIT can happen before that. So use this as an indicator.

4
kernel/patches-4.19.x-rt/0083-slub-Disable-SLUB_CPU_PARTIAL.patch
View File

@ -1,7 +1,7 @@
From b652776b565212235e147d11064da4bf8f63c5df Mon Sep 17 00:00:00 2001
From fb6bfe69057a4177f5f5b273cace7ea5cbb5f649 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Wed, 15 Apr 2015 19:00:47 +0200
Subject: [PATCH 083/268] slub: Disable SLUB_CPU_PARTIAL
Subject: [PATCH 083/283] slub: Disable SLUB_CPU_PARTIAL
|BUG: sleeping function called from invalid context at kernel/locking/rtmutex.c:915
|in_atomic(): 1, irqs_disabled(): 0, pid: 87, name: rcuop/7

4
kernel/patches-4.19.x-rt/0084-mm-memcontrol-Don-t-call-schedule_work_on-in-preempt.patch
View File

@ -1,7 +1,7 @@
From 74f8110e2380913103e09eb16ed6f41996d29278 Mon Sep 17 00:00:00 2001
From b64de8d2bb376abf6af01c84a94e1a201aecc6ec Mon Sep 17 00:00:00 2001
From: Yang Shi <yang.shi@windriver.com>
Date: Wed, 30 Oct 2013 11:48:33 -0700
Subject: [PATCH 084/268] mm/memcontrol: Don't call schedule_work_on in
Subject: [PATCH 084/283] mm/memcontrol: Don't call schedule_work_on in
preemption disabled context
The following trace is triggered when running ltp oom test cases:

4
kernel/patches-4.19.x-rt/0085-mm-memcontrol-Replace-local_irq_disable-with-local-l.patch
View File

@ -1,7 +1,7 @@
From 9fe5cd2edadfa8760b3ebc58af32d2d0f3ee8af4 Mon Sep 17 00:00:00 2001
From 3cb7dde3b41a847eefeac79763e46ce167c8521f Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Wed, 28 Jan 2015 17:14:16 +0100
Subject: [PATCH 085/268] mm/memcontrol: Replace local_irq_disable with local
Subject: [PATCH 085/283] mm/memcontrol: Replace local_irq_disable with local
locks
There are a few local_irq_disable() which then take sleeping locks. This

4
kernel/patches-4.19.x-rt/0086-mm-zsmalloc-copy-with-get_cpu_var-and-locking.patch
View File

@ -1,7 +1,7 @@
From eafb2205942eee5257b3fd40aa6b513b07a21661 Mon Sep 17 00:00:00 2001
From 50eae40f0475c039a273e2f5441f4ecda84d104e Mon Sep 17 00:00:00 2001
From: Mike Galbraith <umgwanakikbuti@gmail.com>
Date: Tue, 22 Mar 2016 11:16:09 +0100
Subject: [PATCH 086/268] mm/zsmalloc: copy with get_cpu_var() and locking
Subject: [PATCH 086/283] mm/zsmalloc: copy with get_cpu_var() and locking
get_cpu_var() disables preemption and triggers a might_sleep() splat later.
This is replaced with get_locked_var().

4
kernel/patches-4.19.x-rt/0087-x86-mm-pat-disable-preemption-__split_large_page-aft.patch
View File

@ -1,7 +1,7 @@
From 789271b9a5c962ee26a3ec8d65c7c58db403d9e4 Mon Sep 17 00:00:00 2001
From 3d625e1fb1f5adff8191330efe6d47017b0806bd Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Tue, 11 Dec 2018 21:53:43 +0100
Subject: [PATCH 087/268] x86/mm/pat: disable preemption __split_large_page()
Subject: [PATCH 087/283] x86/mm/pat: disable preemption __split_large_page()
after spin_lock()
Commit "x86/mm/pat: Disable preemption around __flush_tlb_all()" added a

4
kernel/patches-4.19.x-rt/0088-radix-tree-use-local-locks.patch
View File

@ -1,7 +1,7 @@
From c279de8e446c1b1c790aef81b598e7b259ebd6e6 Mon Sep 17 00:00:00 2001
From 0a7a65a5055b7a5a94c57ee2dc8404116cff804b Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Wed, 25 Jan 2017 16:34:27 +0100
Subject: [PATCH 088/268] radix-tree: use local locks
Subject: [PATCH 088/283] radix-tree: use local locks
The preload functionality uses per-CPU variables and preempt-disable to
ensure that it does not switch CPUs during its usage. This patch adds

4
kernel/patches-4.19.x-rt/0089-timers-Prepare-for-full-preemption.patch
View File

@ -1,7 +1,7 @@
From 76691edf9b2f9e9bce47a7fad48aed97af769508 Mon Sep 17 00:00:00 2001
From 5bbf9de052f34cd8d685120f60da34937f2b0772 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 3 Jul 2009 08:29:34 -0500
Subject: [PATCH 089/268] timers: Prepare for full preemption
Subject: [PATCH 089/283] timers: Prepare for full preemption
When softirqs can be preempted we need to make sure that cancelling
the timer from the active thread can not deadlock vs. a running timer

6
kernel/patches-4.19.x-rt/0090-x86-kvm-Require-const-tsc-for-RT.patch
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@ -1,7 +1,7 @@
From 78ee89fc14623b109a4b5383aac8ea85bb7cde47 Mon Sep 17 00:00:00 2001
From 49f95baf1667e4853406b63d30062b94afff4a25 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 6 Nov 2011 12:26:18 +0100
Subject: [PATCH 090/268] x86: kvm Require const tsc for RT
Subject: [PATCH 090/283] x86: kvm Require const tsc for RT
Non constant TSC is a nightmare on bare metal already, but with
virtualization it becomes a complete disaster because the workarounds
@ -14,7 +14,7 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
1 file changed, 7 insertions(+)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 7fed1d6dd1a1..b2b11374c663 100644
index cea6568667c4..c90545667fd6 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -6756,6 +6756,13 @@ int kvm_arch_init(void *opaque)

6
kernel/patches-4.19.x-rt/0091-pci-switchtec-Don-t-use-completion-s-wait-queue.patch
View File

@ -1,7 +1,7 @@
From 7e0d19b7cfe86f42ae378cdb488c207ad2ff152e Mon Sep 17 00:00:00 2001
From 99fc3867798d14c5cff8c71c3872af84605d572d Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Wed, 4 Oct 2017 10:24:23 +0200
Subject: [PATCH 091/268] pci/switchtec: Don't use completion's wait queue
Subject: [PATCH 091/283] pci/switchtec: Don't use completion's wait queue
The poll callback is using completion's wait_queue_head_t member and
puts it in poll_wait() so the poll() caller gets a wakeup after command
@ -23,7 +23,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
1 file changed, 13 insertions(+), 9 deletions(-)
diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c
index 37d0c15c9eeb..c396f3ef1852 100644
index 72db2e0ebced..77d4fb86d05b 100644
--- a/drivers/pci/switch/switchtec.c
+++ b/drivers/pci/switch/switchtec.c
@@ -43,10 +43,11 @@ struct switchtec_user {

4
kernel/patches-4.19.x-rt/0092-wait.h-include-atomic.h.patch
View File

@ -1,7 +1,7 @@
From f38b5d4083660218919ae8aaf04084ec81984b3f Mon Sep 17 00:00:00 2001
From 88037fc07062d469557427c97507d3f95d7ca3a6 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Mon, 28 Oct 2013 12:19:57 +0100
Subject: [PATCH 092/268] wait.h: include atomic.h
Subject: [PATCH 092/283] wait.h: include atomic.h
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

4
kernel/patches-4.19.x-rt/0093-work-simple-Simple-work-queue-implemenation.patch
View File

@ -1,7 +1,7 @@
From 1f3734247d6d14bcd0adce848f10ed802dbbcacc Mon Sep 17 00:00:00 2001
From 67478d9c6704de32600fd4363f3853bcdffcf391 Mon Sep 17 00:00:00 2001
From: Daniel Wagner <daniel.wagner@bmw-carit.de>
Date: Fri, 11 Jul 2014 15:26:11 +0200
Subject: [PATCH 093/268] work-simple: Simple work queue implemenation
Subject: [PATCH 093/283] work-simple: Simple work queue implemenation
Provides a framework for enqueuing callbacks from irq context
PREEMPT_RT_FULL safe. The callbacks are executed in kthread context.

4
kernel/patches-4.19.x-rt/0094-work-simple-drop-a-shit-statement-in-SWORK_EVENT_PEN.patch
View File

@ -1,7 +1,7 @@
From 6e00748d2128e6af60b7e37506da39208dc8e0ca Mon Sep 17 00:00:00 2001
From 147a7822bfe8f027b88fa0ca82ae0d210e57bf34 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Mon, 10 Sep 2018 18:00:31 +0200
Subject: [PATCH 094/268] work-simple: drop a shit statement in
Subject: [PATCH 094/283] work-simple: drop a shit statement in
SWORK_EVENT_PENDING
Dan Carpenter reported

4
kernel/patches-4.19.x-rt/0095-completion-Use-simple-wait-queues.patch
View File

@ -1,7 +1,7 @@
From 1ae4e1e50bf83abfe832fb78fab3b4ca6797ee18 Mon Sep 17 00:00:00 2001
From 334dc78522991ee04c4704a53d24f0009be71172 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 11 Jan 2013 11:23:51 +0100
Subject: [PATCH 095/268] completion: Use simple wait queues
Subject: [PATCH 095/283] completion: Use simple wait queues
Completions have no long lasting callbacks and therefor do not need
the complex waitqueue variant. Use simple waitqueues which reduces the

4
kernel/patches-4.19.x-rt/0096-fs-aio-simple-simple-work.patch
View File

@ -1,7 +1,7 @@
From 488ed4279b12fb35f1d3e865c60e7c2841807834 Mon Sep 17 00:00:00 2001
From b576efb7cedb58ffa58242d7b0df24d14063ba0e Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Mon, 16 Feb 2015 18:49:10 +0100
Subject: [PATCH 096/268] fs/aio: simple simple work
Subject: [PATCH 096/283] fs/aio: simple simple work
|BUG: sleeping function called from invalid context at kernel/locking/rtmutex.c:768
|in_atomic(): 1, irqs_disabled(): 0, pid: 26, name: rcuos/2

4
kernel/patches-4.19.x-rt/0097-genirq-Do-not-invoke-the-affinity-callback-via-a-wor.patch
View File

@ -1,7 +1,7 @@
From 46fbd681dc222e3c76385b0421c6663371aa1738 Mon Sep 17 00:00:00 2001
From bac483c38a96edeadc43fa8dcf03c3e57c41cc62 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Wed, 21 Aug 2013 17:48:46 +0200
Subject: [PATCH 097/268] genirq: Do not invoke the affinity callback via a
Subject: [PATCH 097/283] genirq: Do not invoke the affinity callback via a
workqueue on RT
Joe Korty reported, that __irq_set_affinity_locked() schedules a

4
kernel/patches-4.19.x-rt/0098-time-hrtimer-avoid-schedule_work-with-interrupts-dis.patch
View File

@ -1,7 +1,7 @@
From c9994c24a20393e9dc9af05bf1859a0a81aeebba Mon Sep 17 00:00:00 2001
From 7ada38687fe4d4f0ff8b7390d1588f7fed28a28d Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Wed, 15 Nov 2017 17:29:51 +0100
Subject: [PATCH 098/268] time/hrtimer: avoid schedule_work() with interrupts
Subject: [PATCH 098/283] time/hrtimer: avoid schedule_work() with interrupts
disabled
The NOHZ code tries to schedule a workqueue with interrupts disabled.

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