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From: Josh Poimboeuf <jpoimboe@kernel.org>
To: x86@kernel.org
Cc: linux-kernel@vger.kernel.org, amit@kernel.org,
	kvm@vger.kernel.org, amit.shah@amd.com, thomas.lendacky@amd.com,
	bp@alien8.de, tglx@linutronix.de, peterz@infradead.org,
	pawan.kumar.gupta@linux.intel.com, corbet@lwn.net,
	mingo@redhat.com, dave.hansen@linux.intel.com, hpa@zytor.com,
	seanjc@google.com, pbonzini@redhat.com,
	daniel.sneddon@linux.intel.com, kai.huang@intel.com,
	sandipan.das@amd.com, boris.ostrovsky@oracle.com,
	Babu.Moger@amd.com, david.kaplan@amd.com, dwmw@amazon.co.uk,
	andrew.cooper3@citrix.com
Subject: [PATCH 0/2] x86/bugs: RSB tweaks
Date: Tue, 19 Nov 2024 23:27:49 -0800	[thread overview]
Message-ID: <cover.1732087270.git.jpoimboe@kernel.org> (raw)

Some RSB filling tweaks as discussed in the following thread:

  [RFC PATCH v2 0/3] Add support for the ERAPS feature
  https://lore.kernel.org/20241111163913.36139-1-amit@kernel.org

Josh Poimboeuf (2):
  x86/bugs: Don't fill RSB on VMEXIT with eIBRS+retpoline
  x86/bugs: Don't fill RSB on context switch with eIBRS

 arch/x86/kernel/cpu/bugs.c | 97 +++++++++++++++-----------------------
 arch/x86/mm/tlb.c          |  2 +-
 2 files changed, 38 insertions(+), 61 deletions(-)

-- 
2.47.0


             reply	other threads:[~2024-11-20  7:27 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-20  7:27 Josh Poimboeuf [this message]
2024-11-20  7:27 ` [PATCH 1/2] x86/bugs: Don't fill RSB on VMEXIT with eIBRS+retpoline Josh Poimboeuf
2024-11-20 18:12   ` Pawan Gupta
2024-11-20  7:27 ` [PATCH 2/2] x86/bugs: Don't fill RSB on context switch with eIBRS Josh Poimboeuf
2024-11-20 10:27   ` Shah, Amit
2024-11-20 16:21     ` jpoimboe
2024-11-21 13:28       ` Shah, Amit
2024-11-20 15:24   ` Shah, Amit
2024-11-20 18:42   ` Pawan Gupta
2024-11-21 13:29 ` [PATCH 0/2] x86/bugs: RSB tweaks Shah, Amit

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