From: mark gross <mgross@linux.intel.com>
To: speck@linutronix.de
Subject: [MODERATED] Re: [PATCH 1/2] more sampling fun 1
Date: Thu, 20 Feb 2020 09:53:40 -0800 [thread overview]
Message-ID: <20200220175340.GD58564@mtg-dev.jf.intel.com> (raw)
In-Reply-To: <20200220100745.GA30404@zn.tnic>
On Thu, Feb 20, 2020 at 11:07:45AM +0100, speck for Borislav Petkov wrote:
> On Thu, Feb 06, 2020 at 02:11:02PM -0800, speck for mark gross wrote:
> > From: mark gross <mgross@linux.intel.com>
> > Subject: [PATCH 1/2] Add capability to specify a range of steppings in the
> >
> > Intel has produced processors with the same CPUID family+model. Code
> > may need to check the stepping when programming model specific behavior.
> >
> > Add an API to allow easy specification of stepping or range of steppings
> > with a 16 bit bitmask.
> >
> > Update cpu_vuln_whitelist using this new API.
> >
> > I implemented this in the way I did to avoid modifying x86_cpu_id as
> > that structure is an exported ABI and any change would impact user mode
> > code using the structure.
> >
> > Signed-off-by: mark gross <mgross@linux.intel.com>
> > Reviewed-by: tony luck <tony.luck@intel.com>
> > ---
> > arch/x86/include/asm/cpu_device_id.h | 12 ++++++++++++
> > arch/x86/kernel/cpu/common.c | 28 ++++++++++++++--------------
> > arch/x86/kernel/cpu/match.c | 26 ++++++++++++++++++++++++++
> > 3 files changed, 52 insertions(+), 14 deletions(-)
>
> Why isn't this sent to lkml like a normal patch?
Because its only needed in the context of the WIP mitigation patch that I'm
having issues sending propperly.
Sigh, I guess I'll just put it in a reply.
--mark
>
> --
> Regards/Gruss,
> Boris.
>
> SUSE Software Solutions Germany GmbH, GF: Felix Imendörffer, HRB 36809, AG Nürnberg
> --
next prev parent reply other threads:[~2020-02-20 17:53 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-20 10:07 [MODERATED] Re: [PATCH 1/2] more sampling fun 1 Borislav Petkov
2020-02-20 10:10 ` Andrew Cooper
2020-02-20 10:13 ` [MODERATED] " Borislav Petkov
2020-02-20 11:00 ` [MODERATED] " Andrew Cooper
2020-02-20 12:39 ` Greg KH
2020-02-20 17:53 ` mark gross [this message]
2020-02-20 18:26 ` Borislav Petkov
2020-02-20 19:24 ` mark gross
2020-02-21 22:12 ` mark gross
[not found] <c79feecdb14c62e3dd8f2680bc68292f99882aeb.158215=?utf-8?q?2322?= .git.mgross@linux.intel.com>
2020-02-20 19:08 ` Ben Hutchings
2020-02-21 22:10 ` mark gross
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