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doc: fix a coupe of typos in rtvm_performance_tips.rst doc

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Fix a couple of typos that sneaked in in the 'rtvm_performance_tips.rst'
document.

Signed-off-by: Geoffroy Van Cutsem <geoffroy.vancutsem@intel.com>
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Geoffroy Van Cutsem 2020-04-22 17:03:45 +02:00 committed by deb-intel
parent 714b3a35d6
commit 3e79287cd3
1 changed files with 2 additions and 2 deletions
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doc/tutorials/rtvm_performance_tips.rst
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@ -73,7 +73,7 @@ using LAPIC passthrough. A few exceptions exist:
- NMI - ACRN uses NMI for system-level notification. - NMI - ACRN uses NMI for system-level notification.
You should avoid VM-exits triggered by operations initiated by the You should avoid VM-exits triggered by operations initiated by the
vCPU. Refer to the `Intel Software Developer Manuals (SMD) vCPU. Refer to the `Intel Software Developer Manuals (SDM)
<https://software.intel.com/en-us/articles/intel-sdm>`_ "Instructions <https://software.intel.com/en-us/articles/intel-sdm>`_ "Instructions
Cause VM-exits Unconditionally" (SDM V3, 25.1.2) and "Instructions That Cause VM-exits Unconditionally" (SDM V3, 25.1.2) and "Instructions That
Cause VM-exits Conditionally" (SDM V3, 25.1.3). Cause VM-exits Conditionally" (SDM V3, 25.1.3).
@ -130,7 +130,7 @@ Tip: Utilize Preempt-RT Linux mechanisms to reduce the access of ICR from the RT
.. note:: .. note::
If an ICR access is inevitable within the RT critical section, be If an ICR access is inevitable within the RT critical section, be
aware of the extra 3~4 microsecont latency for each access. aware of the extra 3~4 microsecond latency for each access.
Tip: Create and initialize the RT tasks at the beginning to avoid runtime access to control registers. Tip: Create and initialize the RT tasks at the beginning to avoid runtime access to control registers.
Accessing Control Registers is another cause of a VM-exit. An ACRN access Accessing Control Registers is another cause of a VM-exit. An ACRN access