From: Josh Poimboeuf <jpoimboe@kernel.org>
To: x86@kernel.org
Cc: linux-kernel@vger.kernel.org,
Linus Torvalds <torvalds@linux-foundation.org>,
Daniel Sneddon <daniel.sneddon@linux.intel.com>,
Pawan Gupta <pawan.kumar.gupta@linux.intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Alexandre Chartre <alexandre.chartre@oracle.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Peter Zijlstra <peterz@infradead.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Sean Christopherson <seanjc@google.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
Nikolay Borisov <nik.borisov@suse.com>,
KP Singh <kpsingh@kernel.org>, Waiman Long <longman@redhat.com>,
Borislav Petkov <bp@alien8.de>
Subject: [PATCH 0/7] x86/bugs: BHI fixes / improvements
Date: Wed, 10 Apr 2024 22:40:44 -0700 [thread overview]
Message-ID: <cover.1712813475.git.jpoimboe@kernel.org> (raw)
An assortment of BHI fixes.
Josh Poimboeuf (7):
x86/bugs: BHI documentation fixes
x86/bugs: Cache the value of MSR_IA32_ARCH_CAPABILITIES
x86/bugs: Fix BHI handling of RRSBA
x86/bugs: Clarify that syscall hardening isn't a BHI mitigation
x86/bugs: Only harden syscalls when needed
x86/bugs: Remove CONFIG_BHI_MITIGATION_AUTO and spectre_bhi=auto
x86/bugs: Replace CONFIG_SPECTRE_BHI_{ON,OFF} with
CONFIG_MITIGATION_SPECTRE_BHI
Documentation/admin-guide/hw-vuln/spectre.rst | 22 ++---
.../admin-guide/kernel-parameters.txt | 12 +--
arch/x86/Kconfig | 22 +----
arch/x86/entry/common.c | 30 +++++-
arch/x86/entry/syscall_32.c | 11 +--
arch/x86/entry/syscall_64.c | 8 +-
arch/x86/entry/syscall_x32.c | 7 +-
arch/x86/include/asm/cpufeatures.h | 1 +
arch/x86/include/asm/syscall.h | 8 +-
arch/x86/kernel/cpu/bugs.c | 98 +++++++++++--------
10 files changed, 119 insertions(+), 100 deletions(-)
--
2.44.0
next reply other threads:[~2024-04-11 5:41 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-11 5:40 Josh Poimboeuf [this message]
2024-04-11 5:40 ` [PATCH 1/7] x86/bugs: BHI documentation fixes Josh Poimboeuf
2024-04-11 6:21 ` Nikolay Borisov
2024-04-11 8:40 ` [tip: x86/urgent] x86/bugs: Fix BHI documentation tip-bot2 for Josh Poimboeuf
2024-04-11 5:40 ` [PATCH 2/7] x86/bugs: Cache the value of MSR_IA32_ARCH_CAPABILITIES Josh Poimboeuf
2024-04-11 6:22 ` Nikolay Borisov
2024-04-11 7:32 ` [PATCH 2b/7] x86/bugs: Rename various 'ia32_cap' variables to 'x86_arch_cap_msr' Ingo Molnar
2024-04-11 8:40 ` [tip: x86/urgent] " tip-bot2 for Ingo Molnar
2024-04-11 8:40 ` [tip: x86/urgent] x86/bugs: Cache the value of MSR_IA32_ARCH_CAPABILITIES tip-bot2 for Josh Poimboeuf
2024-04-11 5:40 ` [PATCH 3/7] x86/bugs: Fix BHI handling of RRSBA Josh Poimboeuf
2024-04-11 8:40 ` [tip: x86/urgent] " tip-bot2 for Josh Poimboeuf
2024-04-11 10:02 ` [PATCH 3/7] " Andrew Cooper
2024-04-11 15:34 ` Josh Poimboeuf
2024-04-11 5:40 ` [PATCH 4/7] x86/bugs: Clarify that syscall hardening isn't a BHI mitigation Josh Poimboeuf
2024-04-11 8:40 ` [tip: x86/urgent] " tip-bot2 for Josh Poimboeuf
2024-04-11 5:40 ` [PATCH 5/7] x86/bugs: Only harden syscalls when needed Josh Poimboeuf
2024-04-11 6:20 ` Nikolay Borisov
2024-04-11 15:08 ` Josh Poimboeuf
2024-04-11 8:40 ` [tip: x86/urgent] " tip-bot2 for Josh Poimboeuf
2024-04-11 10:06 ` [PATCH 5/7] " Andrew Cooper
2024-04-11 15:38 ` Josh Poimboeuf
2024-04-12 10:24 ` Andrew Cooper
2024-04-12 0:15 ` Pawan Gupta
2024-04-12 3:57 ` Josh Poimboeuf
2024-04-12 4:17 ` Josh Poimboeuf
2024-04-12 5:20 ` Josh Poimboeuf
2024-04-12 10:36 ` Andrew Cooper
2024-04-12 20:24 ` Josh Poimboeuf
2024-04-12 5:27 ` Pawan Gupta
2024-04-12 10:07 ` Ingo Molnar
2024-04-12 6:28 ` Pawan Gupta
2024-04-12 6:37 ` Pawan Gupta
2024-04-11 5:40 ` [PATCH 6/7] x86/bugs: Remove CONFIG_BHI_MITIGATION_AUTO and spectre_bhi=auto Josh Poimboeuf
2024-04-11 6:23 ` Nikolay Borisov
2024-04-11 8:40 ` [tip: x86/urgent] " tip-bot2 for Josh Poimboeuf
2024-04-12 10:12 ` tip-bot2 for Josh Poimboeuf
2024-04-11 5:40 ` [PATCH 7/7] x86/bugs: Replace CONFIG_SPECTRE_BHI_{ON,OFF} with CONFIG_MITIGATION_SPECTRE_BHI Josh Poimboeuf
2024-04-11 7:48 ` Ingo Molnar
2024-04-11 8:18 ` Ingo Molnar
2024-04-17 5:35 ` Reinette Chatre
2024-04-11 15:24 ` Josh Poimboeuf
2024-04-11 8:40 ` [tip: x86/urgent] " tip-bot2 for Josh Poimboeuf
2024-04-12 10:12 ` tip-bot2 for Josh Poimboeuf
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