From: Peter Zijlstra <peterz@infradead.org>
To: Huang Ying <ying.huang@intel.com>
Cc: nigel@nigel.suspend2.net,
Kexec Mailing List <kexec@lists.infradead.org>,
linux-kernel@vger.kernel.org, "Rafael J. Wysocki" <rjw@sisk.pl>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Pavel Machek <pavel@ucw.cz>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
mingo@elte.hu, Vivek Goyal <vgoyal@redhat.com>
Subject: Re: [PATCH -v2 6/8] kexec jump: fix for lockdep
Date: Fri, 08 Aug 2008 12:13:46 +0200 [thread overview]
Message-ID: <1218190426.8625.71.camel@twins> (raw)
In-Reply-To: <1218178365.22039.79.camel@caritas-dev.intel.com>
On Fri, 2008-08-08 at 14:52 +0800, Huang Ying wrote:
> Replace local_irq_disable() with raw_local_irq_disable() to prevent
> lockdep complain.
Uhhm, please provide more information - just using raw_* to silence
lockdep is generally the wrong thing to do.
> Signed-off-by: Huang Ying <ying.huang@intel.com>
>
> ---
> arch/x86/kernel/machine_kexec_32.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> --- a/arch/x86/kernel/machine_kexec_32.c
> +++ b/arch/x86/kernel/machine_kexec_32.c
> @@ -123,7 +123,7 @@ void machine_kexec(struct kimage *image)
> tracer_disable();
>
> /* Interrupts aren't acceptable while we reboot */
> - local_irq_disable();
> + raw_local_irq_disable();
>
> if (image->preserve_context) {
> #ifdef CONFIG_X86_IO_APIC
>
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
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WARNING: multiple messages have this Message-ID (diff)
From: Peter Zijlstra <peterz@infradead.org>
To: Huang Ying <ying.huang@intel.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
Pavel Machek <pavel@ucw.cz>,
nigel@nigel.suspend2.net, "Rafael J. Wysocki" <rjw@sisk.pl>,
Andrew Morton <akpm@linux-foundation.org>,
Vivek Goyal <vgoyal@redhat.com>,
mingo@elte.hu, Linus Torvalds <torvalds@linux-foundation.org>,
linux-kernel@vger.kernel.org,
Kexec Mailing List <kexec@lists.infradead.org>
Subject: Re: [PATCH -v2 6/8] kexec jump: fix for lockdep
Date: Fri, 08 Aug 2008 12:13:46 +0200 [thread overview]
Message-ID: <1218190426.8625.71.camel@twins> (raw)
In-Reply-To: <1218178365.22039.79.camel@caritas-dev.intel.com>
On Fri, 2008-08-08 at 14:52 +0800, Huang Ying wrote:
> Replace local_irq_disable() with raw_local_irq_disable() to prevent
> lockdep complain.
Uhhm, please provide more information - just using raw_* to silence
lockdep is generally the wrong thing to do.
> Signed-off-by: Huang Ying <ying.huang@intel.com>
>
> ---
> arch/x86/kernel/machine_kexec_32.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> --- a/arch/x86/kernel/machine_kexec_32.c
> +++ b/arch/x86/kernel/machine_kexec_32.c
> @@ -123,7 +123,7 @@ void machine_kexec(struct kimage *image)
> tracer_disable();
>
> /* Interrupts aren't acceptable while we reboot */
> - local_irq_disable();
> + raw_local_irq_disable();
>
> if (image->preserve_context) {
> #ifdef CONFIG_X86_IO_APIC
>
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
next prev parent reply other threads:[~2008-08-08 10:13 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-08 6:52 [PATCH -v2 6/8] kexec jump: fix for lockdep Huang Ying
2008-08-08 6:52 ` Huang Ying
2008-08-08 10:13 ` Peter Zijlstra [this message]
2008-08-08 10:13 ` Peter Zijlstra
2008-08-11 0:59 ` Huang Ying
2008-08-11 0:59 ` Huang Ying
2008-08-11 6:09 ` Peter Zijlstra
2008-08-11 6:09 ` Peter Zijlstra
2008-08-11 6:32 ` Huang Ying
2008-08-11 6:32 ` Huang Ying
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