From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E927F3C2E for ; Mon, 21 Nov 2022 12:44:04 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DC98BC433C1; Mon, 21 Nov 2022 12:44:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1669034644; bh=JmPZDDOEqXd3HGUxwDMvUefeqoTTPEPAsQzOjTDrXr0=; h=From:To:Cc:Subject:Date:From; b=T48dQc167kphJOdUDMLXmFAr5jK6cMYYzdg6xkyrgDrInjq8qo+HycCjSR59M4FWk kLmXh5KCUTJ4r0myTiHi1WNcZQuoKjkp81YHkTI3W6UIImPUMGShdiGzRAgiWH51VO aDJHE89EgVDApcfYNnqDeQ+7MBXNumJx98/xXjz8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, linux@roeck-us.net, shuah@kernel.org, patches@kernelci.org, lkft-triage@lists.linaro.org, pavel@denx.de, jonathanh@nvidia.com, f.fainelli@gmail.com, sudipm.mukherjee@gmail.com, srw@sladewatkins.net, rwarsow@gmx.de Subject: [PATCH 4.19 00/34] 4.19.266-rc1 review Date: Mon, 21 Nov 2022 13:43:22 +0100 Message-Id: <20221121124150.886779344@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore X-KernelTest-Patch: http://kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.19.266-rc1.gz X-KernelTest-Tree: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git X-KernelTest-Branch: linux-4.19.y X-KernelTest-Patches: git://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git X-KernelTest-Version: 4.19.266-rc1 X-KernelTest-Deadline: 2022-11-23T12:41+00:00 Content-Transfer-Encoding: 8bit This is the start of the stable review cycle for the 4.19.266 release. There are 34 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made by Wed, 23 Nov 2022 12:41:40 +0000. Anything received after that time might be too late. The whole patch series can be found in one patch at: https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.19.266-rc1.gz or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.19.y and the diffstat can be found below. thanks, greg k-h ------------- Pseudo-Shortlog of commits: Greg Kroah-Hartman Linux 4.19.266-rc1 Daniel Sneddon x86/speculation: Add RSB VM Exit protections Pawan Gupta x86/bugs: Warn when "ibrs" mitigation is selected on Enhanced IBRS parts Nathan Chancellor x86/speculation: Use DECLARE_PER_CPU for x86_spec_ctrl_current Pawan Gupta x86/speculation: Disable RRSBA behavior Pawan Gupta x86/bugs: Add Cannon lake to RETBleed affected CPU list Andrew Cooper x86/cpu/amd: Enumerate BTC_NO Peter Zijlstra x86/common: Stamp out the stepping madness Josh Poimboeuf x86/speculation: Fill RSB on vmexit for IBRS Josh Poimboeuf KVM: VMX: Fix IBRS handling after vmexit Josh Poimboeuf KVM: VMX: Prevent guest RSB poisoning attacks with eIBRS Josh Poimboeuf x86/speculation: Remove x86_spec_ctrl_mask Josh Poimboeuf x86/speculation: Use cached host SPEC_CTRL value for guest entry/exit Josh Poimboeuf x86/speculation: Fix SPEC_CTRL write on SMT state change Josh Poimboeuf x86/speculation: Fix firmware entry SPEC_CTRL handling Josh Poimboeuf x86/speculation: Fix RSB filling with CONFIG_RETPOLINE=n Peter Zijlstra x86/speculation: Change FILL_RETURN_BUFFER to work with objtool Peter Zijlstra intel_idle: Disable IBRS during long idle Peter Zijlstra x86/bugs: Report Intel retbleed vulnerability Peter Zijlstra x86/bugs: Split spectre_v2_select_mitigation() and spectre_v2_user_select_mitigation() Pawan Gupta x86/speculation: Add spectre_v2=ibrs option to support Kernel IBRS Peter Zijlstra x86/bugs: Optimize SPEC_CTRL MSR writes Peter Zijlstra x86/entry: Add kernel IBRS implementation Peter Zijlstra x86/entry: Remove skip_r11rcx Peter Zijlstra x86/bugs: Keep a per-CPU IA32_SPEC_CTRL value Alexandre Chartre x86/bugs: Add AMD retbleed= boot parameter Alexandre Chartre x86/bugs: Report AMD retbleed vulnerability Peter Zijlstra x86/cpufeatures: Move RETPOLINE flags to word 11 Mark Gross x86/cpu: Add a steppings field to struct x86_cpu_id Thomas Gleixner x86/cpu: Add consistent CPU match macros Thomas Gleixner x86/devicetable: Move x86 specific macro out of generic code Ingo Molnar x86/cpufeature: Fix various quality problems in the header Kan Liang x86/cpufeature: Add facility to check for min microcode revisions Suleiman Souhlal Revert "x86/cpu: Add a steppings field to struct x86_cpu_id" Suleiman Souhlal Revert "x86/speculation: Add RSB VM Exit protections" ------------- Diffstat: Documentation/admin-guide/kernel-parameters.txt | 13 + Makefile | 4 +- arch/x86/entry/calling.h | 68 ++++- arch/x86/entry/entry_32.S | 2 - arch/x86/entry/entry_64.S | 34 ++- arch/x86/entry/entry_64_compat.S | 11 +- arch/x86/include/asm/cpu_device_id.h | 168 ++++++++++- arch/x86/include/asm/cpufeatures.h | 18 +- arch/x86/include/asm/intel-family.h | 6 + arch/x86/include/asm/msr-index.h | 10 + arch/x86/include/asm/nospec-branch.h | 53 ++-- arch/x86/kernel/cpu/amd.c | 21 +- arch/x86/kernel/cpu/bugs.c | 368 +++++++++++++++++++----- arch/x86/kernel/cpu/common.c | 60 ++-- arch/x86/kernel/cpu/match.c | 44 ++- arch/x86/kernel/cpu/scattered.c | 1 + arch/x86/kernel/process.c | 2 +- arch/x86/kvm/svm.c | 1 + arch/x86/kvm/vmx.c | 53 +++- arch/x86/kvm/x86.c | 4 +- drivers/base/cpu.c | 8 + drivers/cpufreq/acpi-cpufreq.c | 1 + drivers/cpufreq/amd_freq_sensitivity.c | 1 + drivers/idle/intel_idle.c | 43 ++- include/linux/cpu.h | 2 + include/linux/kvm_host.h | 2 +- include/linux/mod_devicetable.h | 4 +- tools/arch/x86/include/asm/cpufeatures.h | 1 + 28 files changed, 815 insertions(+), 188 deletions(-)