From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A571FC433EF for ; Wed, 9 Mar 2022 16:22:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234376AbiCIQWk (ORCPT ); Wed, 9 Mar 2022 11:22:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47160 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235350AbiCIQNW (ORCPT ); Wed, 9 Mar 2022 11:13:22 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8D2BBB65C6; Wed, 9 Mar 2022 08:10:42 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 4C50E617B2; Wed, 9 Mar 2022 16:10:39 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 25A11C340E8; Wed, 9 Mar 2022 16:10:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1646842238; bh=BJ4mK36dJa3m7BHv0N7l1otb+o11ZWh6TABV80ZECH4=; h=From:To:Cc:Subject:Date:From; b=hNfsmjSlMv/QdPXiNoeKL+xUHFv1FwMJOQBlaPfTFm0qz5y/O33ufaVJoKTAH+Vv4 KkK0TQVNTpi7J0+t2t+X1JbKRFzIkshD5xgtLnLu5sX0ID94GMmCJ2/B59/t+LRE8x pZOl04oFV3OTNw1+MMd/r7AGkv5ZF09iFS6yS8/s= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@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, slade@sladewatkins.com Subject: [PATCH 5.16 00/37] 5.16.14-rc1 review Date: Wed, 9 Mar 2022 17:00:01 +0100 Message-Id: <20220309155859.086952723@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 User-Agent: quilt/0.66 X-stable: review X-Patchwork-Hint: ignore X-KernelTest-Patch: http://kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.16.14-rc1.gz X-KernelTest-Tree: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git X-KernelTest-Branch: linux-5.16.y X-KernelTest-Patches: git://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git X-KernelTest-Version: 5.16.14-rc1 X-KernelTest-Deadline: 2022-03-11T15:59+00:00 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is the start of the stable review cycle for the 5.16.14 release. There are 37 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 Fri, 11 Mar 2022 15:58:48 +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/v5.x/stable-review/patch-5.16.14-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-5.16.y and the diffstat can be found below. thanks, greg k-h ------------- Pseudo-Shortlog of commits: Greg Kroah-Hartman Linux 5.16.14-rc1 Emmanuel Gil Peyrot ARM: fix build error when BPF_SYSCALL is disabled James Morse arm64: proton-pack: Include unprivileged eBPF status in Spectre v2 mitigation reporting James Morse arm64: Use the clearbhb instruction in mitigations James Morse KVM: arm64: Allow SMCCC_ARCH_WORKAROUND_3 to be discovered and migrated James Morse arm64: Mitigate spectre style branch history side channels James Morse arm64: proton-pack: Report Spectre-BHB vulnerabilities as part of Spectre-v2 James Morse arm64: Add percpu vectors for EL1 James Morse arm64: entry: Add macro for reading symbol addresses from the trampoline James Morse arm64: entry: Add vectors that have the bhb mitigation sequences James Morse arm64: entry: Add non-kpti __bp_harden_el1_vectors for mitigations James Morse arm64: entry: Allow the trampoline text to occupy multiple pages James Morse arm64: entry: Make the kpti trampoline's kpti sequence optional James Morse arm64: entry: Move trampoline macros out of ifdef'd section James Morse arm64: entry: Don't assume tramp_vectors is the start of the vectors James Morse arm64: entry: Allow tramp_alias to access symbols after the 4K boundary James Morse arm64: entry: Move the trampoline data page before the text page James Morse arm64: entry: Free up another register on kpti's tramp_exit path James Morse arm64: entry: Make the trampoline cleanup optional James Morse KVM: arm64: Allow indirect vectors to be used without SPECTRE_V3A James Morse arm64: spectre: Rename spectre_v4_patch_fw_mitigation_conduit James Morse arm64: entry.S: Add ventry overflow sanity checks Joey Gouly arm64: cpufeature: add HWCAP for FEAT_RPRES Joey Gouly arm64: cpufeature: add HWCAP for FEAT_AFP Joey Gouly arm64: add ID_AA64ISAR2_EL1 sys register Russell King (Oracle) ARM: include unprivileged BPF status in Spectre V2 reporting Russell King (Oracle) ARM: Spectre-BHB workaround Russell King (Oracle) ARM: use LOADADDR() to get load address of sections Russell King (Oracle) ARM: early traps initialisation Russell King (Oracle) ARM: report Spectre v2 status through sysfs Josh Poimboeuf x86/speculation: Warn about eIBRS + LFENCE + Unprivileged eBPF + SMT Josh Poimboeuf x86/speculation: Warn about Spectre v2 LFENCE mitigation Kim Phillips x86/speculation: Update link to AMD speculation whitepaper Kim Phillips x86/speculation: Use generic retpoline by default on AMD Josh Poimboeuf x86/speculation: Include unprivileged eBPF status in Spectre v2 mitigation reporting Peter Zijlstra Documentation/hw-vuln: Update spectre doc Peter Zijlstra x86/speculation: Add eIBRS + Retpoline options Peter Zijlstra (Intel) x86/speculation: Rename RETPOLINE_AMD to RETPOLINE_LFENCE ------------- Diffstat: Documentation/admin-guide/hw-vuln/spectre.rst | 50 +-- Documentation/admin-guide/kernel-parameters.txt | 8 +- Documentation/arm64/cpu-feature-registers.rst | 17 ++ Documentation/arm64/elf_hwcaps.rst | 8 + Makefile | 4 +- arch/arm/include/asm/assembler.h | 10 + arch/arm/include/asm/spectre.h | 32 ++ arch/arm/include/asm/vmlinux.lds.h | 35 ++- arch/arm/kernel/Makefile | 2 + arch/arm/kernel/entry-armv.S | 79 ++++- arch/arm/kernel/entry-common.S | 24 ++ arch/arm/kernel/spectre.c | 71 +++++ arch/arm/kernel/traps.c | 65 +++- arch/arm/mm/Kconfig | 11 + arch/arm/mm/proc-v7-bugs.c | 207 ++++++++++--- arch/arm64/Kconfig | 9 + arch/arm64/include/asm/assembler.h | 53 ++++ arch/arm64/include/asm/cpu.h | 1 + arch/arm64/include/asm/cpufeature.h | 29 ++ arch/arm64/include/asm/cputype.h | 8 + arch/arm64/include/asm/fixmap.h | 6 +- arch/arm64/include/asm/hwcap.h | 2 + arch/arm64/include/asm/insn.h | 1 + arch/arm64/include/asm/kvm_host.h | 5 + arch/arm64/include/asm/sections.h | 5 + arch/arm64/include/asm/spectre.h | 4 + arch/arm64/include/asm/sysreg.h | 18 ++ arch/arm64/include/asm/vectors.h | 73 +++++ arch/arm64/include/uapi/asm/hwcap.h | 2 + arch/arm64/include/uapi/asm/kvm.h | 5 + arch/arm64/kernel/cpu_errata.c | 7 + arch/arm64/kernel/cpufeature.c | 25 ++ arch/arm64/kernel/cpuinfo.c | 3 + arch/arm64/kernel/entry.S | 214 +++++++++---- arch/arm64/kernel/image-vars.h | 4 + arch/arm64/kernel/proton-pack.c | 391 +++++++++++++++++++++++- arch/arm64/kernel/vmlinux.lds.S | 2 +- arch/arm64/kvm/arm.c | 5 +- arch/arm64/kvm/hyp/hyp-entry.S | 9 + arch/arm64/kvm/hyp/nvhe/mm.c | 4 +- arch/arm64/kvm/hyp/vhe/switch.c | 9 +- arch/arm64/kvm/hypercalls.c | 12 + arch/arm64/kvm/psci.c | 18 +- arch/arm64/kvm/sys_regs.c | 2 +- arch/arm64/mm/mmu.c | 12 +- arch/arm64/tools/cpucaps | 1 + arch/x86/include/asm/cpufeatures.h | 2 +- arch/x86/include/asm/nospec-branch.h | 16 +- arch/x86/kernel/alternative.c | 8 +- arch/x86/kernel/cpu/bugs.c | 204 ++++++++++--- arch/x86/lib/retpoline.S | 2 +- arch/x86/net/bpf_jit_comp.c | 2 +- include/linux/arm-smccc.h | 5 + include/linux/bpf.h | 12 + kernel/sysctl.c | 7 + tools/arch/x86/include/asm/cpufeatures.h | 2 +- 56 files changed, 1606 insertions(+), 216 deletions(-)