From: Thomas Gleixner <tglx@linutronix.de>
To: Waiman Long <longman@redhat.com>, Ingo Molnar <mingo@redhat.com>,
Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
Peter Zijlstra <peterz@infradead.org>
Cc: x86@kernel.org, linux-kernel@vger.kernel.org,
"H. Peter Anvin" <hpa@zytor.com>,
Waiman Long <longman@redhat.com>
Subject: Re: [PATCH v2] x86/nmi: Add an emergency handler in nmi_desc & use it in nmi_shootdown_cpus()
Date: Wed, 04 Dec 2024 14:10:27 +0100 [thread overview]
Message-ID: <87h67jsif0.ffs@tglx> (raw)
In-Reply-To: <20241203150732.182065-1-longman@redhat.com>
On Tue, Dec 03 2024 at 10:07, Waiman Long wrote:
> + /*
> + * Call the emergency handler first, if set
> + * Emergency handler is not traced or checked by nmi_check_duration().
> + */
> + ehandler = READ_ONCE(desc->emerg_handler);
> + if (ehandler)
> + handled = ehandler(type, regs);
Shouldn't this just stop processing right here?
Thanks,
tglx
next prev parent reply other threads:[~2024-12-04 13:10 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-03 15:07 [PATCH v2] x86/nmi: Add an emergency handler in nmi_desc & use it in nmi_shootdown_cpus() Waiman Long
2024-12-04 1:00 ` Rik van Riel
2024-12-04 1:39 ` Waiman Long
2024-12-04 7:58 ` kernel test robot
2024-12-04 13:10 ` Thomas Gleixner [this message]
2024-12-04 17:23 ` Waiman Long
2024-12-04 18:03 ` Thomas Gleixner
2024-12-04 19:28 ` Waiman Long
2024-12-05 4:01 ` Waiman Long
2024-12-05 13:12 ` Thomas Gleixner
[not found] ` <1166fd72-8a4a-489f-9de5-7c06b70b0ad4@redhat.com>
2024-12-05 18:17 ` Thomas Gleixner
2024-12-06 4:16 ` Waiman Long
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