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From: Andres Freund <andres@anarazel.de>
To: Borislav Petkov <bp@alien8.de>
Cc: Borislav Petkov <bp@suse.de>,
	x86@kernel.org, linux-kernel@vger.kernel.org,
	"H. Peter Anvin" <hpa@linux.intel.com>,
	Ingo Molnar <mingo@redhat.com>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH 1/2] x86: Fix typo preventing msr_set/clear_bit from having an effect
Date: Fri, 9 May 2014 12:39:42 +0200	[thread overview]
Message-ID: <20140509103942.GA30231@awork2.anarazel.de> (raw)
In-Reply-To: <20140509075452.GA16058@pd.tnic>

Hi,

On 2014-05-09 09:54:52 +0200, Borislav Petkov wrote:
> On Fri, May 09, 2014 at 03:29:16AM +0200, Andres Freund wrote:
> > Due to a typo the msr accessor function introduced in
> > 22085a66c2fab6cf9b9393c056a3600a6b4735de didn't have any lasting
> > effects because they accidentally wrote the old value back.
> > 
> > After c0a639ad0bc6b178b46996bd1f821a04643e2bde this at the very least
> > this causes cpuid limits not to be lifted on some cpus leading to
> > missing capabilities for those.
> > 
> > Signed-off-by: Andres Freund <andres@anarazel.de>
> > Cc: Borislav Petkov <bp@suse.de>
> > Cc: H. Peter Anvin <hpa@linux.intel.com>
> > Cc: Ingo Molnar <mingo@redhat.com>
> > Cc: Thomas Gleixner <tglx@linutronix.de>
> > ---
> >  arch/x86/lib/msr.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> Good catch, thanks, and sorry about the screwup! :-[
> 
> Acked-by: Borislav Petkov <bp@suse.de>

It got caught before the release, so all is well... Actually rather
surprised it only causes relatively minor problems; i.e. still boots.

Did I CC the correct people for this to get picked up for 3.15 or to I
need to do anything else?

Greetings,

Andres Freund

  reply	other threads:[~2014-05-09 10:39 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-09  1:29 Andres Freund
2014-05-09  1:29 ` [PATCH 1/2] x86: Fix typo preventing msr_set/clear_bit from having an effect Andres Freund
2014-05-09  7:54   ` Borislav Petkov
2014-05-09 10:39     ` Andres Freund [this message]
2014-05-09 10:46       ` Borislav Petkov
2014-05-09 16:31   ` [tip:x86/urgent] x86: Fix typo preventing msr_set/ clear_bit " tip-bot for Andres Freund
2014-05-09  1:29 ` [PATCH 2/2] x86: Fix typo in MSR_IA32_MISC_ENABLE_LIMIT_CPUID macro Andres Freund
2014-05-09  7:57   ` Borislav Petkov
2014-05-09 10:33     ` Borislav Petkov
2014-05-09 17:02       ` Joe Perches
2014-05-09 21:31       ` [PATCH] checkpatch: Warn on #defines ending in semicolon Joe Perches
2014-05-09 21:47         ` Thomas Gleixner
2014-05-09 21:59           ` Joe Perches
2014-05-09 16:31   ` [tip:x86/urgent] x86: Fix typo in MSR_IA32_MISC_ENABLE_LIMIT_CPUID macro tip-bot for Andres Freund

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