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[84.3.50.134]) by smtp.gmail.com with ESMTPSA id d8sm25374041wrx.71.2020.01.28.08.59.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Jan 2020 08:59:08 -0800 (PST) Date: Tue, 28 Jan 2020 17:59:06 +0100 From: Ingo Molnar To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, Thomas Gleixner , Borislav Petkov , Peter Zijlstra , Andrew Morton Subject: [GIT PULL] x86/asm changes for v5.6 Message-ID: <20200128165906.GA67781@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Linus, Please pull the latest x86-asm-for-linus git tree from: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-asm-for-linus # HEAD: 183ef7adf4ed638ac0fb0c3c9a71fc00e8512b61 x86/boot: Simplify calculation of output address Misc updates: - Remove last remaining calls to exception_enter/exception_exit() and simplify the entry code some more. - Remove force_iret() - Add support for "Fast Short Rep Mov", which is available starting with Ice Lake Intel CPUs - and make the x86 assembly version of memmove() use REP MOV for all sizes when FSRM is available. - Micro-optimize/simplify the 32-bit boot code a bit. - Use a more future-proof SYSRET instruction mnemonic Thanks, Ingo ------------------> Arvind Sankar (1): x86/boot: Simplify calculation of output address Brian Gerst (1): x86: Remove force_iret() Frederic Weisbecker (2): x86/context-tracking: Remove exception_enter/exit() from do_page_fault() x86/context-tracking: Remove exception_enter/exit() from KVM_PV_REASON_PAGE_NOT_PRESENT async page fault Jan Beulich (1): x86/entry/64: Add instruction suffix to SYSRET Tony Luck (1): x86/cpufeatures: Add support for fast short REP; MOVSB arch/x86/boot/compressed/head_32.S | 8 +++----- arch/x86/entry/entry_64.S | 2 +- arch/x86/ia32/ia32_signal.c | 2 -- arch/x86/include/asm/cpufeatures.h | 1 + arch/x86/include/asm/ptrace.h | 16 ---------------- arch/x86/include/asm/thread_info.h | 9 --------- arch/x86/kernel/kvm.c | 4 ---- arch/x86/kernel/process_32.c | 1 - arch/x86/kernel/process_64.c | 1 - arch/x86/kernel/signal.c | 2 -- arch/x86/kernel/vm86_32.c | 1 - arch/x86/lib/memmove_64.S | 7 ++++--- arch/x86/mm/fault.c | 39 ++++++++++++-------------------------- 13 files changed, 21 insertions(+), 72 deletions(-)