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From: Borislav Petkov <bp@alien8.de>
To: X86 ML <x86@kernel.org>
Cc: Arjan Van De Ven <arjan.van.de.ven@intel.com>,
	Ashok Raj <ashok.raj@intel.com>,
	Tom Lendacky <thomas.lendacky@amd.com>,
	LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH 0/7] x86/microcode: Improve late loading
Date: Wed, 28 Feb 2018 11:28:39 +0100	[thread overview]
Message-ID: <20180228102846.13447-1-bp@alien8.de> (raw)

From: Borislav Petkov <bp@suse.de>

Hi,

here are a bunch of patches which improve microcode late loading.

Before you read any further: the early loading method is still the
preferred one and you should always do that. This patchset is improving
the late loading mechanism for long running jobs and cloud use cases -
i.e., use cases where early loading is, hm, a bit problematic.

Ashok Raj (4):
  x86/microcode/intel: Check microcode revision before updating sibling
    threads
  x86/microcode/intel: Writeback and invalidate caches before updating
    microcode
  x86/microcode: Do not upload microcode if CPUs are offline
  x86/microcode: Synchronize late microcode loading

Borislav Petkov (3):
  x86/microcode: Get rid of struct apply_microcode_ctx
  x86/microcode/intel: Look into the patch cache first
  x86/microcode: Request microcode on the BSP

 arch/x86/kernel/cpu/microcode/core.c  | 158 +++++++++++++++++++++++++---------
 arch/x86/kernel/cpu/microcode/intel.c |  48 +++++++++--
 2 files changed, 159 insertions(+), 47 deletions(-)

-- 
2.13.0

             reply	other threads:[~2018-02-28 10:29 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-28 10:28 Borislav Petkov [this message]
2018-02-28 10:28 ` [PATCH 1/7] x86/microcode: Get rid of struct apply_microcode_ctx Borislav Petkov
2018-03-08  9:25   ` [tip:x86/pti] " tip-bot for Borislav Petkov
2018-02-28 10:28 ` [PATCH 2/7] x86/microcode/intel: Check microcode revision before updating sibling threads Borislav Petkov
2018-03-08  9:25   ` [tip:x86/pti] " tip-bot for Ashok Raj
2018-02-28 10:28 ` [PATCH 3/7] x86/microcode/intel: Writeback and invalidate caches before updating microcode Borislav Petkov
2018-03-08  9:26   ` [tip:x86/pti] " tip-bot for Ashok Raj
2018-02-28 10:28 ` [PATCH 4/7] x86/microcode: Do not upload microcode if CPUs are offline Borislav Petkov
2018-02-28 13:11   ` Henrique de Moraes Holschuh
2018-02-28 13:26     ` Raj, Ashok
2018-02-28 19:07       ` Henrique de Moraes Holschuh
2018-03-05 22:06   ` Tom Lendacky
2018-03-08  9:26   ` [tip:x86/pti] " tip-bot for Ashok Raj
2018-02-28 10:28 ` [PATCH 5/7] x86/microcode/intel: Look into the patch cache first Borislav Petkov
2018-03-08  9:27   ` [tip:x86/pti] " tip-bot for Borislav Petkov
2018-02-28 10:28 ` [PATCH 6/7] x86/microcode: Request microcode on the BSP Borislav Petkov
2018-03-05 22:08   ` Tom Lendacky
2018-03-08  9:27   ` [tip:x86/pti] " tip-bot for Borislav Petkov
2018-02-28 10:28 ` [PATCH 7/7] x86/microcode: Synchronize late microcode loading Borislav Petkov
2018-02-28 13:59   ` Henrique de Moraes Holschuh
2018-02-28 14:08     ` Borislav Petkov
2018-02-28 17:48       ` Henrique de Moraes Holschuh
2018-03-05 22:09   ` Tom Lendacky
2018-03-08  9:28   ` [tip:x86/pti] " tip-bot for Ashok Raj
2018-03-05 22:12 ` [PATCH 0/7] x86/microcode: Improve late loading Tom Lendacky
2018-03-05 23:51   ` Raj, Ashok

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