Messages in this thread | | | Subject | Re: [PATCH] x86/hotplug: Remove incorrect comment about mwait_play_dead() | From | "Srivatsa S. Bhat" <> | Date | Tue, 14 Feb 2023 09:09:58 -0800 |
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Hi,
On 1/27/23 4:37 PM, Srivatsa S. Bhat wrote: > From: "Srivatsa S. Bhat (VMware)" <srivatsa@csail.mit.edu> > > The comment that says mwait_play_dead() returns only on failure is a > bit misleading because mwait_play_dead() could actually return for > valid reasons (such as mwait not being supported by the platform) that > do not indicate a failure of the CPU offline operation. So, remove the > comment. > > Suggested-by: Thomas Gleixner <tglx@linutronix.de> > Signed-off-by: Srivatsa S. Bhat (VMware) <srivatsa@csail.mit.edu>
Gentle ping for review. Thank you!
Regards, Srivatsa
> --- > arch/x86/kernel/smpboot.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c > index 55cad72715d9..9013bb28255a 100644 > --- a/arch/x86/kernel/smpboot.c > +++ b/arch/x86/kernel/smpboot.c > @@ -1833,7 +1833,7 @@ void native_play_dead(void) > play_dead_common(); > tboot_shutdown(TB_SHUTDOWN_WFS); > > - mwait_play_dead(); /* Only returns on failure */ > + mwait_play_dead(); > if (cpuidle_play_dead()) > hlt_play_dead(); > } >
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