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Groups > linux.kernel > #1622559
| From | Borislav Petkov <bp@suse.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [RFC PATCH] x86, mce: change the mce notifier to 'blocking' from 'atomic' |
| Date | 2017-04-12 23:20 +0200 |
| Message-ID | <tvxQd-1uj-5@gated-at.bofh.it> (permalink) |
| References | <tvcLL-4GZ-1@gated-at.bofh.it> <tvmBs-2Gr-11@gated-at.bofh.it> <tvwKu-Gu-11@gated-at.bofh.it> <tvx3P-QV-17@gated-at.bofh.it> <tvx3Q-QV-35@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, Apr 12, 2017 at 08:27:05PM +0000, Verma, Vishal L wrote:
> But isn't the atomic notifier call chain always called in atomic
> context?
No, it isn't. We're calling it in normal process context in
mce_gen_pool_process() too.
So this early exit will avoid any sleeping in atomic context. And since
there's nothing you can do about the errors reported in atomic context,
we can actually use that fact.
--
Regards/Gruss,
Boris.
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
--
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[RFC PATCH] x86, mce: change the mce notifier to 'blocking' from 'atomic' Vishal Verma <vishal.l.verma@intel.com> - 2017-04-12 00:50 +0200
Re: [RFC PATCH] x86, mce: change the mce notifier to 'blocking' from 'atomic' Borislav Petkov <bp@suse.de> - 2017-04-12 11:20 +0200
Re: [RFC PATCH] x86, mce: change the mce notifier to 'blocking' from 'atomic' Vishal Verma <vishal.l.verma@intel.com> - 2017-04-12 22:10 +0200
Re: [RFC PATCH] x86, mce: change the mce notifier to 'blocking' from 'atomic' Borislav Petkov <bp@suse.de> - 2017-04-12 22:30 +0200
Re: [RFC PATCH] x86, mce: change the mce notifier to 'blocking' from 'atomic' "Verma, Vishal L" <vishal.l.verma@intel.com> - 2017-04-12 22:30 +0200
Re: [RFC PATCH] x86, mce: change the mce notifier to 'blocking' from 'atomic' Dan Williams <dan.j.williams@intel.com> - 2017-04-12 23:00 +0200
Re: [RFC PATCH] x86, mce: change the mce notifier to 'blocking' from 'atomic' Thomas Gleixner <tglx@linutronix.de> - 2017-04-12 23:20 +0200
Re: [RFC PATCH] x86, mce: change the mce notifier to 'blocking' from 'atomic' "Luck, Tony" <tony.luck@intel.com> - 2017-04-12 23:20 +0200
Re: [RFC PATCH] x86, mce: change the mce notifier to 'blocking' from 'atomic' Borislav Petkov <bp@suse.de> - 2017-04-12 23:50 +0200
Re: [RFC PATCH] x86, mce: change the mce notifier to 'blocking' from 'atomic' Borislav Petkov <bp@suse.de> - 2017-04-13 00:20 +0200
Re: [RFC PATCH] x86, mce: change the mce notifier to 'blocking' from 'atomic' "Luck, Tony" <tony.luck@intel.com> - 2017-04-13 00:30 +0200
Re: [RFC PATCH] x86, mce: change the mce notifier to 'blocking' from 'atomic' Borislav Petkov <bp@suse.de> - 2017-04-13 00:30 +0200
Re: [RFC PATCH] x86, mce: change the mce notifier to 'blocking' from 'atomic' Borislav Petkov <bp@suse.de> - 2017-04-13 13:40 +0200
Re: [RFC PATCH] x86, mce: change the mce notifier to 'blocking' from 'atomic' Borislav Petkov <bp@suse.de> - 2017-04-13 14:20 +0200
Re: [RFC PATCH] x86, mce: change the mce notifier to 'blocking' from 'atomic' "Luck, Tony" <tony.luck@intel.com> - 2017-04-18 18:30 +0200
Re: [RFC PATCH] x86, mce: change the mce notifier to 'blocking' from 'atomic' "Verma, Vishal L" <vishal.l.verma@intel.com> - 2017-04-21 23:50 +0200
Re: [RFC PATCH] x86, mce: change the mce notifier to 'blocking' from 'atomic' "Luck, Tony" <tony.luck@intel.com> - 2017-04-12 23:00 +0200
Re: [RFC PATCH] x86, mce: change the mce notifier to 'blocking' from 'atomic' Borislav Petkov <bp@suse.de> - 2017-04-12 23:20 +0200
Re: [RFC PATCH] x86, mce: change the mce notifier to 'blocking' from 'atomic' Thomas Gleixner <tglx@linutronix.de> - 2017-04-13 00:00 +0200
Re: [RFC PATCH] x86, mce: change the mce notifier to 'blocking' from 'atomic' "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-13 00:50 +0200
Re: [RFC PATCH] x86, mce: change the mce notifier to 'blocking' from 'atomic' "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-13 01:50 +0200
Re: [RFC PATCH] x86, mce: change the mce notifier to 'blocking' from 'atomic' "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-13 16:40 +0200
[tip:ras/urgent] x86/mce: Make the MCE notifier a blocking one tip-bot for Vishal Verma <tipbot@zytor.com> - 2017-04-18 22:30 +0200
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