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From: Thomas Gleixner <tglx@linutronix.de>
To: speck@linutronix.de
Subject: Re: [PATCH 3/4] V7 more sampling fun 3
Date: Wed, 15 Apr 2020 14:58:40 +0200	[thread overview]
Message-ID: <873694oqgv.fsf@nanos.tec.linutronix.de> (raw)
In-Reply-To: <20200414215924.GE29751@mtg-dev.jf.intel.com>

Mark,

speck for mark gross <speck@linutronix.de> writes:
> 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.

So we lose the complete TSX conditionals or do they now apply to all
NO_MDS CPUs?

Thanks,

        tglx

  parent reply	other threads:[~2020-04-15 12:58 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
2020-04-14 22:46     ` Josh Poimboeuf
2020-04-15 20:59       ` mark gross
2020-04-15 12:58     ` Thomas Gleixner [this message]
2020-04-15 22:21       ` 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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