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Message-Id: <cover.1517164461.git.luto@kernel.org>
Date: Sun, 28 Jan 2018 10:38:48 -0800
From: Andy Lutomirski <luto@...nel.org>
To: x86@...nel.org,
LKML <linux-kernel@...r.kernel.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>,
Kernel Hardening <kernel-hardening@...ts.openwall.com>,
Borislav Petkov <bp@...en8.de>,
Andy Lutomirski <luto@...nel.org>
Subject: [PATCH 0/3] x86/pti-ish syscall cleanups
Three changes in here:
- Get rid of the SYSCALL64 fast path as suggested by Linus.
- Move TS_COMPAT into the same cacheline as thread_info::flags, also
suggested by Linus.
- Document SYSCALL_DEFINE a bit better.
Andy Lutomirski (3):
x86/entry/64: Remove the SYSCALL64 fast path
x86/asm: Move 'status' from thread_struct to thread_info
syscalls: Add a bit of documentation to __SYSCALL_DEFINE
arch/x86/entry/common.c | 4 +-
arch/x86/entry/entry_64.S | 127 ++-----------------------------------
arch/x86/entry/syscall_64.c | 7 +-
arch/x86/include/asm/processor.h | 2 -
arch/x86/include/asm/syscall.h | 6 +-
arch/x86/include/asm/thread_info.h | 3 +-
arch/x86/kernel/process_64.c | 4 +-
arch/x86/kernel/ptrace.c | 2 +-
arch/x86/kernel/signal.c | 2 +-
include/linux/syscalls.h | 10 +++
10 files changed, 30 insertions(+), 137 deletions(-)
--
2.14.3
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