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>, Ingo Molnar <mingo@kernel.org>
Subject: [PATCH 0/3] x86/bugs: BHI fixes / improvements - round 2
Date: Fri, 12 Apr 2024 11:10:31 -0700 [thread overview]
Message-ID: <cover.1712944776.git.jpoimboe@kernel.org> (raw)
BHI fixes round 2:
- An updated version of "Only harden syscalls when needed" with review
comments addressed
- A BHI retpoline check fix
- Remove the obsolete LFENCE "retpolines"
Josh Poimboeuf (3):
x86/bugs: Only harden syscalls when needed
x86/bugs: Fix BHI retpoline check
x86/bugs: Remove support for Spectre v2 LFENCE "retpolines"
arch/x86/Makefile | 1 -
arch/x86/entry/common.c | 15 +++-
arch/x86/entry/syscall_32.c | 11 +--
arch/x86/entry/syscall_64.c | 6 --
arch/x86/entry/syscall_x32.c | 7 +-
arch/x86/include/asm/cpufeatures.h | 2 +-
arch/x86/include/asm/disabled-features.h | 3 +-
arch/x86/include/asm/nospec-branch.h | 18 +---
arch/x86/include/asm/syscall.h | 8 +-
arch/x86/kernel/alternative.c | 17 +---
arch/x86/kernel/cpu/bugs.c | 88 +++++++------------
arch/x86/kernel/cpu/cpu.h | 3 +-
arch/x86/lib/retpoline.S | 5 +-
arch/x86/net/bpf_jit_comp.c | 5 +-
tools/arch/x86/include/asm/cpufeatures.h | 1 -
.../arch/x86/include/asm/disabled-features.h | 3 +-
16 files changed, 69 insertions(+), 124 deletions(-)
--
2.44.0
next reply other threads:[~2024-04-12 18:10 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-12 18:10 Josh Poimboeuf [this message]
2024-04-12 18:10 ` [PATCH v2 1/3] x86/bugs: Only harden syscalls when needed Josh Poimboeuf
2024-04-12 22:42 ` Pawan Gupta
2024-04-12 22:58 ` Josh Poimboeuf
2024-04-15 7:32 ` Nikolay Borisov
2024-04-15 15:16 ` Linus Torvalds
2024-04-15 15:27 ` Nikolay Borisov
2024-04-15 15:47 ` Linus Torvalds
2024-04-12 18:10 ` [PATCH 2/3] x86/bugs: Fix BHI retpoline check Josh Poimboeuf
2024-04-12 23:18 ` Pawan Gupta
2024-04-14 9:19 ` [tip: x86/urgent] " tip-bot2 for Josh Poimboeuf
2024-04-12 18:10 ` [PATCH 3/3] x86/bugs: Remove support for Spectre v2 LFENCE "retpolines" Josh Poimboeuf
2024-04-12 18:20 ` Josh Poimboeuf
2024-04-12 20:49 ` Andrew Cooper
2024-04-15 23:44 ` Josh Poimboeuf
2024-04-13 4:21 ` Josh Poimboeuf
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