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From: Borislav Petkov <bp@alien8.de>
To: Ingo Molnar <mingo@kernel.org>
Cc: X86 ML <x86@kernel.org>, Andy Lutomirski <luto@amacapital.net>,
	LKML <linux-kernel@vger.kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH v2 15/15] x86/lib/memcpy_64.S: Convert memcpy to ALTERNATIVE_2 macro
Date: Thu, 5 Mar 2015 09:37:11 +0100	[thread overview]
Message-ID: <20150305083711.GC3915@pd.tnic> (raw)
In-Reply-To: <20150305002640.GA20449@gmail.com>

On Thu, Mar 05, 2015 at 01:26:40AM +0100, Ingo Molnar wrote:
> I.e. while I'd not want to patch in memcpy_orig (it's legacy really), 
> but the other two variants, ERMS and REP MOVSQ could be patched in 
> directly via ALTERNATIVE_2()?

Certainly worth the try, it is on the TODO list.

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
--

  reply	other threads:[~2015-03-05  8:38 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-24 11:14 [PATCH v2 00/15] x86, alternatives: Instruction padding and more robust JMPs Borislav Petkov
2015-02-24 11:14 ` [PATCH v2 01/15] x86/lib/copy_user_64.S: Remove FIX_ALIGNMENT define Borislav Petkov
2015-02-24 11:14 ` [PATCH v2 02/15] x86/alternatives: Cleanup DPRINTK macro Borislav Petkov
2015-02-24 11:14 ` [PATCH v2 03/15] x86/alternatives: Add instruction padding Borislav Petkov
2015-02-24 11:14 ` [PATCH v2 04/15] x86/alternatives: Make JMPs more robust Borislav Petkov
2015-02-24 11:14 ` [PATCH v2 05/15] x86/alternatives: Use optimized NOPs for padding Borislav Petkov
2015-03-04  6:43   ` Ingo Molnar
2015-03-04  8:42     ` Borislav Petkov
2015-02-24 11:14 ` [PATCH v2 06/15] x86/lib/copy_page_64.S: Use generic ALTERNATIVE macro Borislav Petkov
2015-02-24 11:14 ` [PATCH v2 07/15] x86/lib/copy_user_64.S: Convert to ALTERNATIVE_2 Borislav Petkov
2015-03-04  6:25   ` Ingo Molnar
2015-03-04  7:13     ` Ingo Molnar
2015-03-04  9:06       ` Borislav Petkov
2015-03-05  0:34         ` Ingo Molnar
2015-03-05  8:23           ` Borislav Petkov
2015-03-04  9:00     ` Borislav Petkov
2015-03-05  0:32       ` Ingo Molnar
2015-03-05  8:35         ` Borislav Petkov
2015-03-05  9:34           ` Ingo Molnar
2015-03-05  9:46             ` Ingo Molnar
2015-02-24 11:14 ` [PATCH v2 08/15] x86/smap: Use ALTERNATIVE macro Borislav Petkov
2015-02-24 11:14 ` [PATCH v2 09/15] x86/entry_32: Convert X86_INVD_BUG to " Borislav Petkov
2015-02-24 11:14 ` [PATCH v2 10/15] x86/lib/clear_page_64.S: Convert to ALTERNATIVE_2 macro Borislav Petkov
2015-02-24 11:14 ` [PATCH v2 11/15] x86/asm: Use alternative_2() in rdtsc_barrier() Borislav Petkov
2015-02-24 11:14 ` [PATCH v2 12/15] x86/asm: Cleanup prefetch primitives Borislav Petkov
2015-03-04  6:48   ` Ingo Molnar
2015-03-04  9:08     ` Borislav Petkov
2015-02-24 11:14 ` [PATCH v2 13/15] x86/lib/memset_64.S: Convert to ALTERNATIVE_2 macro Borislav Petkov
2015-02-24 11:14 ` [PATCH v2 14/15] x86/lib/memmove_64.S: Convert memmove() to ALTERNATIVE macro Borislav Petkov
2015-03-04  7:19   ` Ingo Molnar
2015-02-24 11:14 ` [PATCH v2 15/15] x86/lib/memcpy_64.S: Convert memcpy to ALTERNATIVE_2 macro Borislav Petkov
2015-03-04  7:26   ` Ingo Molnar
2015-03-04 13:58     ` Borislav Petkov
2015-03-05  0:26       ` Ingo Molnar
2015-03-05  8:37         ` Borislav Petkov [this message]
2015-02-24 20:25 ` [PATCH v2 00/15] x86, alternatives: Instruction padding and more robust JMPs Andy Lutomirski
2015-02-26 18:13 ` Borislav Petkov
2015-02-26 18:16   ` [PATCH 1/3] perf/bench: Fix mem* routines usage after alternatives change Borislav Petkov
2015-02-26 18:16     ` [PATCH 2/3] perf/bench: Carve out mem routine benchmarking Borislav Petkov
2015-02-26 18:16     ` [PATCH 3/3] perf/bench: Add -r all so that you can run all mem* routines Borislav Petkov
2015-03-04  7:30       ` Ingo Molnar
2015-03-02 14:51   ` [PATCH v2 00/15] x86, alternatives: Instruction padding and more robust JMPs Hitoshi Mitake
2015-03-02 16:27     ` Borislav Petkov
  -- strict thread matches above, loose matches on Subject: below --
2015-03-27 14:58 [PATCH v2 15/15] x86/lib/memcpy_64.S: Convert memcpy to ALTERNATIVE_2 macro David Laight

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