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Re: [PATCH] Fix i486 suspend to disk CR4 oops
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From: Andi Kleen
Subject:
Re: [PATCH] Fix i486 suspend to disk CR4 oops
Date: Sunday, August 17, 2008 - 11:42 pm
On Sun, Aug 17, 2008 at 11:34:50PM -0700, H. Peter Anvin wrote:
quoted text
> Andi Kleen wrote: > >>> > >>The other alternative is to probe for the CPUID instruction (via > >>EFLAGS.ID) -- CR4 is present if and only if CPUID exists. > > > >Can be already checked for with boot_cpu_data.extended_cpuid_level. > > > > I believe you mean just plain cpuid_level (which is set to -1 if CPUID > doesn't exist.) extended_cpuid_level is only defined on x86-64, but all > x86-64 CPUs have CR4.
Yes I meant plain cpuid_level. Just wanted to mention that before someone opencodes another cpuid test. -Andi --
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Messages in current thread:
[PATCH] Fix i486 suspend to disk CR4 oops
, David Fries
, (Sun Aug 17, 9:03 pm)
Re: [PATCH] Fix i486 suspend to disk CR4 oops
, Maciej W. Rozycki
, (Sun Aug 17, 9:14 pm)
Re: [PATCH] Fix i486 suspend to disk CR4 oops
, H. Peter Anvin
, (Sun Aug 17, 9:35 pm)
Re: [PATCH] Fix i486 suspend to disk CR4 oops
, Andi Kleen
, (Sun Aug 17, 11:04 pm)
Re: [PATCH] Fix i486 suspend to disk CR4 oops
, H. Peter Anvin
, (Sun Aug 17, 11:34 pm)
Re: [PATCH] Fix i486 suspend to disk CR4 oops
, Ingo Molnar
, (Sun Aug 17, 11:41 pm)
Re: [PATCH] Fix i486 suspend to disk CR4 oops
, Andi Kleen
, (Sun Aug 17, 11:42 pm)
Re: [PATCH] Fix i486 suspend to disk CR4 oops
, H. Peter Anvin
, (Sun Aug 17, 11:45 pm)
Re: [PATCH] Fix i486 suspend to disk CR4 oops
, Pavel Machek
, (Mon Aug 18, 2:15 am)
Re: [PATCH] Fix i486 suspend to disk CR4 oops
, Rafael J. Wysocki
, (Mon Aug 18, 3:16 am)
Re: [PATCH] Fix i486 suspend to disk CR4 oops
, David Fries
, (Mon Aug 18, 5:58 am)
Re: [PATCH] Fix i486 suspend to disk CR4 oops
, Ingo Molnar
, (Mon Aug 18, 6:25 am)
Re: [PATCH] Fix i486 suspend to disk CR4 oops
, Maciej W. Rozycki
, (Mon Aug 18, 7:38 am)
Re: [PATCH] Fix i486 suspend to disk CR4 oops
, Maciej W. Rozycki
, (Mon Aug 18, 7:41 am)
Re: [PATCH] Fix i486 suspend to disk CR4 oops
, Dave Jones
, (Mon Aug 18, 8:24 am)
Re: [PATCH] Fix i486 suspend to disk CR4 oops
, Lennart Sorensen
, (Mon Aug 18, 9:04 am)
Re: [PATCH] Fix i486 suspend to disk CR4 oops
, Dave Jones
, (Mon Aug 18, 10:17 am)
Re: [PATCH] Fix i486 suspend to disk CR4 oops
, H. Peter Anvin
, (Mon Aug 18, 10:32 am)
Re: [PATCH] Fix i486 suspend to disk CR4 oops
, Pavel Machek
, (Mon Aug 18, 3:02 pm)
Re: [PATCH] Fix i486 suspend to disk CR4 oops
, Pavel Machek
, (Mon Aug 18, 3:04 pm)
Re: [PATCH] Fix i486 suspend to disk CR4 oops
, H. Peter Anvin
, (Mon Aug 18, 3:10 pm)
Re: [PATCH] i486 CR4 oops, no_console_suspend
, David Fries
, (Mon Aug 18, 8:37 pm)
Re: [PATCH] i486 CR4 oops, no_console_suspend
, Ingo Molnar
, (Tue Aug 19, 2:34 am)
Re: [PATCH] i486 CR4 oops, no_console_suspend
, H. Peter Anvin
, (Tue Aug 19, 9:07 am)
Re: [PATCH] i486 CR4 oops, no_console_suspend
, David Fries
, (Wed Aug 20, 9:17 pm)
Re: [PATCH] i486 CR4 oops, no_console_suspend
, H. Peter Anvin
, (Wed Aug 20, 10:37 pm)
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