From: Nathan Lynch <nathanl@linux.ibm.com>
To: linuxppc-dev@lists.ozlabs.org
Cc: srikar@linux.vnet.ibm.com, npiggin@gmail.com
Subject: [PATCH v2 0/2] powerpc/paravirt: vcpu_is_preempted() tweaks
Date: Tue, 28 Sep 2021 16:41:45 -0500 [thread overview]
Message-ID: <20210928214147.312412-1-nathanl@linux.ibm.com> (raw)
Minor changes arising from discovering that this code throws warnings with
DEBUG_PREEMPT kernels.
Changes since v1:
* Additional commentary to (1) distinguish hypervisor dispatch and preempt
behavior from kernel scheduler preemption; and (2) more clearly justify
the use of raw_smp_processor_id().
* Additional patch to update existing comments before making the functional
change.
v1: https://lore.kernel.org/linuxppc-dev/20210921031213.2029824-1-nathanl@linux.ibm.com/
Nathan Lynch (2):
powerpc/paravirt: vcpu_is_preempted() commentary
powerpc/paravirt: correct preempt debug splat in vcpu_is_preempted()
arch/powerpc/include/asm/paravirt.h | 40 +++++++++++++++++++++++++----
1 file changed, 35 insertions(+), 5 deletions(-)
--
2.31.1
next reply other threads:[~2021-09-28 21:44 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-28 21:41 Nathan Lynch [this message]
2021-09-28 21:41 ` [PATCH v2 1/2] powerpc/paravirt: vcpu_is_preempted() commentary Nathan Lynch
2021-09-29 7:30 ` Srikar Dronamraju
2021-09-28 21:41 ` [PATCH v2 2/2] powerpc/paravirt: correct preempt debug splat in vcpu_is_preempted() Nathan Lynch
2021-09-29 7:30 ` Srikar Dronamraju
2021-10-11 12:06 ` [PATCH v2 0/2] powerpc/paravirt: vcpu_is_preempted() tweaks Michael Ellerman
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