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 v2 0/2] x86/bugs: RSB tweaks
Date: Thu, 21 Nov 2024 12:07:17 -0800 [thread overview]
Message-ID: <cover.1732219175.git.jpoimboe@kernel.org> (raw)
v2:
- remove stray whitespace in printk
- clarify patch 2 comment message about prev/next tasks
- move error path to default switch case in spectre_v2_mitigate_rsb()
- add Reviewed-bys
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 | 115 +++++++++++++++----------------------
arch/x86/mm/tlb.c | 2 +-
2 files changed, 48 insertions(+), 69 deletions(-)
--
2.47.0
next reply other threads:[~2024-11-21 20:07 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-21 20:07 Josh Poimboeuf [this message]
2024-11-21 20:07 ` [PATCH v2 1/2] x86/bugs: Don't fill RSB on VMEXIT with eIBRS+retpoline Josh Poimboeuf
2024-11-30 15:31 ` Borislav Petkov
2024-12-02 11:15 ` Shah, Amit
2024-12-02 12:19 ` Borislav Petkov
2024-12-02 23:35 ` Pawan Gupta
2024-12-03 11:20 ` Borislav Petkov
2024-12-05 23:12 ` Josh Poimboeuf
2024-12-21 9:13 ` Borislav Petkov
2025-04-02 9:19 ` Shah, Amit
2025-04-02 14:16 ` Josh Poimboeuf
2025-04-02 14:19 ` Shah, Amit
2024-12-05 23:13 ` Josh Poimboeuf
2024-11-21 20:07 ` [PATCH v2 2/2] x86/bugs: Don't fill RSB on context switch with eIBRS Josh Poimboeuf
2024-12-03 11:42 ` Borislav Petkov
2024-12-05 23:32 ` Josh Poimboeuf
2024-12-06 0:53 ` Josh Poimboeuf
2024-12-06 23:02 ` Josh Poimboeuf
2024-12-30 14:54 ` Shah, Amit
2025-01-08 11:50 ` Shah, Amit
2024-12-06 10:10 ` Shah, Amit
2024-12-09 20:46 ` jpoimboe
2024-11-28 13:28 ` [RFC PATCH v3 0/2] Add support for the ERAPS feature Amit Shah
2024-11-28 13:28 ` [RFC PATCH v3 1/2] x86: cpu/bugs: add AMD ERAPS support; hardware flushes RSB Amit Shah
2024-12-02 17:26 ` Dave Hansen
2024-12-02 18:09 ` Amit Shah
2024-12-02 18:25 ` Dave Hansen
2024-12-02 18:36 ` Sean Christopherson
2024-11-28 13:28 ` [RFC PATCH v3 2/2] x86: kvm: svm: advertise ERAPS (larger RSB) support to guests Amit Shah
2024-12-02 18:30 ` Sean Christopherson
2025-03-27 11:10 ` Shah, Amit
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