Messages in this thread | | | Subject | Re: [PATCH 1/1] x86/mce: remove unused WARN_ON() in mce_register_decode_chain() | From | "Leizhen (ThunderTown)" <> | Date | Fri, 6 Nov 2020 21:20:38 +0800 |
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On 2020/11/6 19:12, Borislav Petkov wrote: > On Fri, Nov 06, 2020 at 04:43:40PM +0800, Zhen Lei wrote: >> enum mce_notifier_prios { >> MCE_PRIO_LOWEST, >> MCE_PRIO_MCELOG, >> MCE_PRIO_EDAC, >> >> After commit c9c6d216ed28 ("x86/mce: Rename "first" function as "early""), >> there is no other integer between MCE_PRIO_MCELOG and MCE_PRIO_EDAC. >> Therefore, the WARN_ON() will never be triggered, just delete it. >> >> Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> >> --- >> arch/x86/kernel/cpu/mce/core.c | 3 --- >> 1 file changed, 3 deletions(-) >> >> diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c >> index 4102b866e7c0..914f9f102995 100644 >> --- a/arch/x86/kernel/cpu/mce/core.c >> +++ b/arch/x86/kernel/cpu/mce/core.c >> @@ -162,9 +162,6 @@ EXPORT_SYMBOL_GPL(mce_log); >> >> void mce_register_decode_chain(struct notifier_block *nb) >> { >> - if (WARN_ON(nb->priority > MCE_PRIO_MCELOG && nb->priority < MCE_PRIO_EDAC)) >> - return; > > No, you don't want to remove it - you want to update it so that it > catches wrong priorities...
Oh, Yes, You're right. I will send v2.
> > Thx. >
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