From: Josh Poimboeuf <jpoimboe@kernel.org>
To: x86@kernel.org
Cc: linux-kernel@vger.kernel.org, Borislav Petkov <bp@alien8.de>,
Peter Zijlstra <peterz@infradead.org>,
Babu Moger <babu.moger@amd.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Sean Christopherson <seanjc@google.com>,
David.Kaplan@amd.com, Andrew Cooper <andrew.cooper3@citrix.com>,
Nikolay Borisov <nik.borisov@suse.com>,
gregkh@linuxfoundation.org, Thomas Gleixner <tglx@linutronix.de>
Subject: [PATCH v3 00/20] SRSO fixes/cleanups
Date: Mon, 4 Sep 2023 22:04:44 -0700 [thread overview]
Message-ID: <cover.1693889988.git.jpoimboe@kernel.org> (raw)
v3:
- drop kvm patches (to be picked up by Sean)
- fix "no microcode, no microcode" printk
- fix "Safe Ret" capitalization in documentation
- fix chopped line in commit log
- drop "x86/srso: Remove redundant X86_FEATURE_ENTRY_IBPB check" patch
Josh Poimboeuf (20):
x86/srso: Fix srso_show_state() side effect
x86/srso: Set CPUID feature bits independently of bug or mitigation
status
x86/srso: Don't probe microcode in a guest
x86/srso: Fix SBPB enablement for spec_rstack_overflow=off
x86/srso: Fix SBPB enablement for (possible) future fixed HW
x86/srso: Print actual mitigation if requested mitigation isn't
possible
x86/srso: Print mitigation for retbleed IBPB case
x86/srso: Fix vulnerability reporting for missing microcode
x86/srso: Fix unret validation dependencies
x86/alternatives: Remove faulty optimization
x86/srso: Improve i-cache locality for alias mitigation
x86/srso: Unexport untraining functions
x86/srso: Remove 'pred_cmd' label
x86/bugs: Remove default case for fully switched enums
x86/srso: Move retbleed IBPB check into existing 'has_microcode' code
block
x86/srso: Disentangle rethunk-dependent options
x86/rethunk: Use SYM_CODE_START[_LOCAL]_NOALIGN macros
x86/retpoline: Remove .text..__x86.return_thunk section
x86/nospec: Refactor UNTRAIN_RET[_*]
x86/calldepth: Rename __x86_return_skl() to call_depth_return_thunk()
Documentation/admin-guide/hw-vuln/srso.rst | 24 ++-
arch/x86/include/asm/nospec-branch.h | 69 ++++-----
arch/x86/include/asm/processor.h | 2 -
arch/x86/kernel/alternative.c | 8 -
arch/x86/kernel/cpu/amd.c | 28 ++--
arch/x86/kernel/cpu/bugs.c | 102 ++++++------
arch/x86/kernel/vmlinux.lds.S | 10 +-
arch/x86/lib/retpoline.S | 171 +++++++++++----------
include/linux/objtool.h | 3 +-
scripts/Makefile.vmlinux_o | 3 +-
10 files changed, 201 insertions(+), 219 deletions(-)
--
2.41.0
next reply other threads:[~2023-09-05 16:36 UTC|newest]
Thread overview: 92+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-05 5:04 Josh Poimboeuf [this message]
2023-09-05 5:04 ` [PATCH v3 01/20] x86/srso: Fix srso_show_state() side effect Josh Poimboeuf
2023-09-05 10:09 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-09-19 9:45 ` [tip: x86/urgent] " tip-bot2 for Josh Poimboeuf
2023-09-05 5:04 ` [PATCH v3 02/20] x86/srso: Set CPUID feature bits independently of bug or mitigation status Josh Poimboeuf
2023-09-05 10:09 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-09-19 9:45 ` [tip: x86/urgent] " tip-bot2 for Josh Poimboeuf
2023-09-05 5:04 ` [PATCH v3 03/20] x86/srso: Don't probe microcode in a guest Josh Poimboeuf
2023-09-05 10:09 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-09-19 9:45 ` [tip: x86/urgent] " tip-bot2 for Josh Poimboeuf
2023-09-05 5:04 ` [PATCH v3 04/20] x86/srso: Fix SBPB enablement for spec_rstack_overflow=off Josh Poimboeuf
2023-09-05 10:09 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-09-19 9:45 ` [tip: x86/urgent] " tip-bot2 for Josh Poimboeuf
2023-09-05 5:04 ` [PATCH v3 05/20] x86/srso: Fix SBPB enablement for (possible) future fixed HW Josh Poimboeuf
2023-09-05 10:09 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-09-19 9:53 ` tip-bot2 for Josh Poimboeuf
2023-09-23 12:20 ` tip-bot2 for Josh Poimboeuf
2023-10-20 11:37 ` tip-bot2 for Josh Poimboeuf
2023-09-05 5:04 ` [PATCH v3 06/20] x86/srso: Print actual mitigation if requested mitigation isn't possible Josh Poimboeuf
2023-09-05 10:09 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-09-19 9:53 ` tip-bot2 for Josh Poimboeuf
2023-09-23 12:20 ` tip-bot2 for Josh Poimboeuf
2023-10-20 11:37 ` tip-bot2 for Josh Poimboeuf
2023-09-05 5:04 ` [PATCH v3 07/20] x86/srso: Print mitigation for retbleed IBPB case Josh Poimboeuf
2023-09-05 10:09 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-09-19 9:53 ` tip-bot2 for Josh Poimboeuf
2023-09-23 12:20 ` tip-bot2 for Josh Poimboeuf
2023-10-20 11:37 ` tip-bot2 for Josh Poimboeuf
2023-09-05 5:04 ` [PATCH v3 08/20] x86/srso: Fix vulnerability reporting for missing microcode Josh Poimboeuf
2023-09-05 10:09 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-09-19 9:53 ` tip-bot2 for Josh Poimboeuf
2023-09-23 12:20 ` tip-bot2 for Josh Poimboeuf
2023-10-20 11:37 ` tip-bot2 for Josh Poimboeuf
2023-09-05 5:04 ` [PATCH v3 09/20] x86/srso: Fix unret validation dependencies Josh Poimboeuf
2023-09-05 10:09 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-09-19 9:53 ` tip-bot2 for Josh Poimboeuf
2023-09-23 12:20 ` tip-bot2 for Josh Poimboeuf
2023-10-20 11:37 ` tip-bot2 for Josh Poimboeuf
2023-09-05 5:04 ` [PATCH v3 10/20] x86/alternatives: Remove faulty optimization Josh Poimboeuf
2023-09-05 10:09 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-09-19 9:53 ` tip-bot2 for Josh Poimboeuf
2023-09-05 5:04 ` [PATCH v3 11/20] x86/srso: Improve i-cache locality for alias mitigation Josh Poimboeuf
2023-09-05 10:09 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-09-19 9:53 ` tip-bot2 for Josh Poimboeuf
2023-09-23 12:20 ` tip-bot2 for Josh Poimboeuf
2023-10-20 11:37 ` tip-bot2 for Josh Poimboeuf
2023-09-05 5:04 ` [PATCH v3 12/20] x86/srso: Unexport untraining functions Josh Poimboeuf
2023-09-05 10:09 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-09-19 9:53 ` tip-bot2 for Josh Poimboeuf
2023-09-23 12:20 ` tip-bot2 for Josh Poimboeuf
2023-10-20 11:37 ` tip-bot2 for Josh Poimboeuf
2023-09-05 5:04 ` [PATCH v3 13/20] x86/srso: Remove 'pred_cmd' label Josh Poimboeuf
2023-09-05 10:09 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-09-19 9:53 ` tip-bot2 for Josh Poimboeuf
2023-09-23 12:20 ` tip-bot2 for Josh Poimboeuf
2023-10-20 11:37 ` tip-bot2 for Josh Poimboeuf
2023-09-05 5:04 ` [PATCH v3 14/20] x86/bugs: Remove default case for fully switched enums Josh Poimboeuf
2023-09-05 10:09 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-09-19 9:53 ` tip-bot2 for Josh Poimboeuf
2023-09-23 12:20 ` tip-bot2 for Josh Poimboeuf
2023-10-20 11:37 ` tip-bot2 for Josh Poimboeuf
2023-09-05 5:04 ` [PATCH v3 15/20] x86/srso: Move retbleed IBPB check into existing 'has_microcode' code block Josh Poimboeuf
2023-09-05 10:09 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-09-19 9:53 ` tip-bot2 for Josh Poimboeuf
2023-09-23 12:20 ` tip-bot2 for Josh Poimboeuf
2023-10-20 11:37 ` tip-bot2 for Josh Poimboeuf
2023-09-05 5:05 ` [PATCH v3 16/20] x86/srso: Disentangle rethunk-dependent options Josh Poimboeuf
2023-09-05 10:09 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-09-19 9:53 ` tip-bot2 for Josh Poimboeuf
2023-09-23 12:20 ` tip-bot2 for Josh Poimboeuf
2023-10-20 11:37 ` tip-bot2 for Josh Poimboeuf
2023-09-05 5:05 ` [PATCH v3 17/20] x86/rethunk: Use SYM_CODE_START[_LOCAL]_NOALIGN macros Josh Poimboeuf
2023-09-05 10:09 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-09-19 9:53 ` tip-bot2 for Josh Poimboeuf
2023-09-23 12:20 ` tip-bot2 for Josh Poimboeuf
2023-10-20 11:37 ` tip-bot2 for Josh Poimboeuf
2023-09-05 5:05 ` [PATCH v3 18/20] x86/retpoline: Remove .text..__x86.return_thunk section Josh Poimboeuf
2023-09-05 10:09 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-09-19 9:53 ` tip-bot2 for Josh Poimboeuf
2023-09-23 12:20 ` tip-bot2 for Josh Poimboeuf
2023-09-05 5:05 ` [PATCH v3 19/20] x86/nospec: Refactor UNTRAIN_RET[_*] Josh Poimboeuf
2023-09-05 10:09 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-09-19 9:53 ` tip-bot2 for Josh Poimboeuf
2023-09-23 12:20 ` tip-bot2 for Josh Poimboeuf
2023-10-20 11:37 ` tip-bot2 for Josh Poimboeuf
2023-09-05 5:05 ` [PATCH v3 20/20] x86/calldepth: Rename __x86_return_skl() to call_depth_return_thunk() Josh Poimboeuf
2023-09-05 10:09 ` [tip: x86/bugs] " tip-bot2 for Josh Poimboeuf
2023-09-19 9:53 ` tip-bot2 for Josh Poimboeuf
2023-09-23 12:20 ` tip-bot2 for Josh Poimboeuf
2023-10-20 11:37 ` tip-bot2 for Josh Poimboeuf
2023-09-05 6:35 ` [PATCH v3 00/20] SRSO fixes/cleanups Borislav Petkov
2023-09-05 10:02 ` Ingo Molnar
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