From: mark gross <mgross@linux.intel.com>
To: speck@linutronix.de
Subject: [MODERATED] Re: [PATCH 3/4] V7 more sampling fun 3
Date: Tue, 14 Apr 2020 14:59:24 -0700 [thread overview]
Message-ID: <20200414215924.GE29751@mtg-dev.jf.intel.com> (raw)
In-Reply-To: <20200414200544.zqhguchba3m2jhr6@treble>
On Tue, Apr 14, 2020 at 03:05:44PM -0500, speck for Josh Poimboeuf wrote:
> On Thu, Jan 16, 2020 at 02:16:07PM -0800, speck for mark gross wrote:
> > +static const struct x86_cpu_id cpu_vuln_blacklist[] __initconst = {
> > + VULNBL_INTEL_STEPPING(KABYLAKE_L, X86_STEPPINGS(0, 0xA), SRBDS),
> > + VULNBL_INTEL_STEPPING(KABYLAKE_L, X86_STEPPINGS(0xB, 0xC), SRBDS_IF_TSX),
> > + VULNBL_INTEL_STEPPING(KABYLAKE, X86_STEPPINGS(0, 0xB), SRBDS),
> > + VULNBL_INTEL_STEPPING(KABYLAKE, X86_STEPPINGS(0xC, 0xD), SRBDS_IF_TSX),
>
> Another readability tweak: "0x0" helps with vertical alignment:
>
> VULNBL_INTEL_STEPPING(KABYLAKE_L, X86_STEPPINGS(0x0, 0xA), SRBDS),
> VULNBL_INTEL_STEPPING(KABYLAKE_L, X86_STEPPINGS(0xB, 0xC), SRBDS_IF_TSX),
> VULNBL_INTEL_STEPPING(KABYLAKE, X86_STEPPINGS(0x0, 0xB), SRBDS),
> VULNBL_INTEL_STEPPING(KABYLAKE, X86_STEPPINGS(0xC, 0xD), SRBDS_IF_TSX),
FWIW the white paper no longer calls out individual steppings as vulnerable
only if TSX so I'm losing the SRBDS_IF_TSX stuff.
Given that the additional steppings 0xB, 0xC and 0xD no longer are treated
differently I'm just going with the following:
VULNBL_INTEL_STEPPING(KABYLAKE_L, X86_STEPPINGS(0, 0xC), SRBDS)
VULNBL_INTEL_STEPPING(KABYLAKE, X86_STEPPINGS(0, 0xD), SRBDS)
Thanks,
--mark
next prev parent reply other threads:[~2020-04-14 21:59 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-13 18:10 [MODERATED] [PATCH 0/4] V7 more sampling fun 0 mark gross
2020-01-16 22:16 ` [MODERATED] [PATCH 3/4] V7 more sampling fun 3 mark gross
2020-01-30 19:12 ` [MODERATED] [PATCH 4/4] V7 more sampling fun 4 mark gross
2020-03-17 0:56 ` [MODERATED] [PATCH 2/4] V7 more sampling fun 2 mark gross
2020-03-17 0:56 ` [MODERATED] [PATCH 1/4] V7 more sampling fun 1 mark gross
2020-04-14 3:48 ` [MODERATED] Re: [PATCH 3/4] V7 more sampling fun 3 mark gross
2020-04-14 16:23 ` Thomas Gleixner
2020-04-14 20:03 ` [MODERATED] " mark gross
2020-04-14 10:58 ` Thomas Gleixner
2020-04-14 16:43 ` [MODERATED] " mark gross
2020-04-14 20:02 ` Josh Poimboeuf
2020-04-14 21:03 ` mark gross
2020-04-14 21:23 ` Josh Poimboeuf
2020-04-14 21:53 ` mark gross
2020-04-14 20:05 ` Josh Poimboeuf
2020-04-14 21:59 ` mark gross [this message]
2020-04-14 22:46 ` Josh Poimboeuf
2020-04-15 20:59 ` mark gross
2020-04-15 12:58 ` Thomas Gleixner
2020-04-15 22:21 ` [MODERATED] " mark gross
2020-04-15 17:51 ` [MODERATED] Re: [PATCH 1/4] V7 more sampling fun 1 Borislav Petkov
2020-04-15 23:58 ` mark gross
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