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riscv64 kernel (#4106)

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* add riscv64 kernels to kernel/Makefile and kernel/Dockerfile.*, riscv64 kernel config, bump alpine version for kernel builds

Signed-off-by: Avi Deitcher <avi@deitcher.net>

* update bcc to v0.32.0 to include needed fixes

Signed-off-by: Avi Deitcher <avi@deitcher.net>

* bump kernel builder alpine base to version including llvm19

Signed-off-by: Avi Deitcher <avi@deitcher.net>

* in kernel-bcc, automatically determine python path

Signed-off-by: Avi Deitcher <avi@deitcher.net>

* in kernel-perf, suppress newer gcc errors

Signed-off-by: Avi Deitcher <avi@deitcher.net>

* riscv path in kernel build was incorrect

Signed-off-by: Avi Deitcher <avi@deitcher.net>

* remove bcc compilation from kernel

Signed-off-by: Avi Deitcher <avi@deitcher.net>

* update usages of kernel/6.6.13 to kernel/6.6.71

Signed-off-by: Avi Deitcher <avi@deitcher.net>

* next run of updating kernel config

Signed-off-by: Avi Deitcher <avi@deitcher.net>

* update test dependencies on kernel hash version

Signed-off-by: Avi Deitcher <avi@deitcher.net>

---------

Signed-off-by: Avi Deitcher <avi@deitcher.net>
This commit is contained in:
Avi Deitcher
2025-02-21 11:10:35 +02:00
committed by GitHub
parent efb139697e
commit 18e7eea86f
127 changed files with 5191 additions and 205 deletions
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13
docs/kernels.md
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@@ -274,7 +274,7 @@ your local Docker setup.
The process of modifying the kernel configuration is as follows:
1. Create a `linuxkit/kconfig` container image: `make kconfig`. This is not pushed out.
1. Create a `linuxkit/kconfig` container image: `make kconfig`. This is not pushed out. By default, this will be for your local architecture, but you can override it with `make kconfig ARCH=${ARCH}`, e.g. `make kconfig ARCH=arm64`. The image is tagged with the architecture, e.g. `linuxkit/kconfig:arm64`.
1. Run a container based on `linuxkit/kconfig`.
1. In the container, modify the config to suit your needs using normal kernel tools like `make defconfig` or `make menuconfig`.
1. Save the config from the image.
@@ -287,7 +287,11 @@ so that `make menuconfig` and `make defconfig` work correctly.
Run the container as follows:
```sh
docker run --rm -ti -v $(pwd):/src linuxkit/kconfig
docker run --rm -ti -v $(pwd):/src linuxkit/kconfig:aarch64
# or
docker run --rm -ti -v $(pwd):/src linuxkit/kconfig:x86_64
# or
docker run --rm -ti -v $(pwd):/src linuxkit/kconfig:riscv64
```
This will give you a interactive shell where you can modify the kernel
@@ -321,6 +325,11 @@ make ARCH=arm64 defconfig
make ARCH=arm64 oldconfig # or menuconfig
```
It is important to note that sometimes the configuration can be subtly different
when running `make defconfig` across architectures. Of note is that `make ARCH=riscv` on
x86_64 or aarch64 comes out slightly differently than when run natively on riscv64.
Feel free to try it cross, but do not be surprised if it generates outputs that are not the same.
Note that the generated file **must** be final. When you actually build the kernel,
it will check that running `make defconfig` will have no changes. If there are changes,
the build will fail.