From: Greg KH <greg@kroah.com>
To: Mark Rutland <mark.rutland@arm.com>
Cc: stable@vger.kernel.org, mark.brown@linaro.org,
ard.biesheuvel@linaro.org, marc.zyngier@arm.com,
will.deacon@arm.com, catalin.marinas@arm.com,
ghackmann@google.com, shankerd@codeaurora.org
Subject: Re: [PATCH v4.9.y 00/42] arm64 spectre patches
Date: Tue, 17 Apr 2018 14:15:23 +0200 [thread overview]
Message-ID: <20180417121523.GA16437@kroah.com> (raw)
In-Reply-To: <20180412111138.40990-1-mark.rutland@arm.com>
On Thu, Apr 12, 2018 at 12:10:56PM +0100, Mark Rutland wrote:
> Hi Greg,
>
> These patches backport arm64 spectre mitigations to v4.9.y (based on 4.9.93).
>
> I've done this backport from scratch, following the patches in the arm64 kpti
> branch [1] (which contrary to its name, also has spectre patches intended for
> backporting).
>
> To the best of my understanding the code is correct, in the context of the
> v4.9.y kernel, and I've tested the series on arm64 hardware available to me,
> using firmware with SMCCC 1.1 and branch predictor mitigations.
>
> I've Cc'd the usual suspects for testing. For anyone willing to test this, I've
> pushed this out to the stable/4.9.y/spectre branch of my kernel.org repo [2].
>
> Note that I've left off the Qualcomm Falkor patches, as it was pointed out that
> necessary errata workarounds for Falkor were never backported, and thus I
> assume that no-one is using v4.9.y on Falkor parts. Shanker, do you have any
> idea whether people are using v4.9.y on Falkor?
I've taken all of these now except the futex patch which did not apply.
thanks,
greg k-h
prev parent reply other threads:[~2018-04-17 12:15 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-12 11:10 [PATCH v4.9.y 00/42] arm64 spectre patches Mark Rutland
2018-04-12 11:10 ` [PATCH v4.9.y 01/42] arm64: barrier: Add CSDB macros to control data-value prediction Mark Rutland
2018-04-12 11:10 ` [PATCH v4.9.y 02/42] arm64: Implement array_index_mask_nospec() Mark Rutland
2018-04-12 11:10 ` [PATCH v4.9.y 03/42] arm64: move TASK_* definitions to <asm/processor.h> Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 04/42] arm64: Make USER_DS an inclusive limit Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 05/42] arm64: Use pointer masking to limit uaccess speculation Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 06/42] arm64: entry: Ensure branch through syscall table is bounded under speculation Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 07/42] arm64: uaccess: Prevent speculative use of the current addr_limit Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 08/42] arm64: uaccess: Don't bother eliding access_ok checks in __{get, put}_user Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 09/42] arm64: uaccess: Mask __user pointers for __arch_{clear, copy_*}_user Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 10/42] arm64: futex: Mask __user pointers prior to dereference Mark Rutland
2018-04-17 12:10 ` Greg KH
2018-04-18 10:56 ` Mark Rutland
2018-04-19 7:02 ` Greg KH
2018-04-12 11:11 ` [PATCH v4.9.y 11/42] arm64: cpufeature: __this_cpu_has_cap() shouldn't stop early Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 12/42] arm64: Run enable method for errata work arounds on late CPUs Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 13/42] arm64: cpufeature: Pass capability structure to ->enable callback Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 14/42] drivers/firmware: Expose psci_get_version through psci_ops structure Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 15/42] arm64: Factor out TTBR0_EL1 post-update workaround into a specific asm macro Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 16/42] arm64: Move post_ttbr_update_workaround to C code Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 17/42] arm64: Add skeleton to harden the branch predictor against aliasing attacks Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 18/42] arm64: Move BP hardening to check_and_switch_context Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 19/42] mm: Introduce lm_alias Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 20/42] arm64: KVM: Use per-CPU vector when BP hardening is enabled Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 21/42] arm64: entry: Apply BP hardening for high-priority synchronous exceptions Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 22/42] arm64: entry: Apply BP hardening for suspicious interrupts from EL0 Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 23/42] arm64: cputype: Add missing MIDR values for Cortex-A72 and Cortex-A75 Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 24/42] arm64: cpu_errata: Allow an erratum to be match for all revisions of a core Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 25/42] arm64: Implement branch predictor hardening for affected Cortex-A CPUs Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 26/42] arm64: Branch predictor hardening for Cavium ThunderX2 Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 27/42] arm64: KVM: Increment PC after handling an SMC trap Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 28/42] arm/arm64: KVM: Consolidate the PSCI include files Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 29/42] arm/arm64: KVM: Add PSCI_VERSION helper Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 30/42] arm/arm64: KVM: Add smccc accessors to PSCI code Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 31/42] arm/arm64: KVM: Implement PSCI 1.0 support Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 32/42] arm/arm64: KVM: Advertise SMCCC v1.1 Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 33/42] arm64: KVM: Make PSCI_VERSION a fast path Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 34/42] arm/arm64: KVM: Turn kvm_psci_version into a static inline Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 35/42] arm64: KVM: Report SMCCC_ARCH_WORKAROUND_1 BP hardening support Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 36/42] arm64: KVM: Add SMCCC_ARCH_WORKAROUND_1 fast handling Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 37/42] firmware/psci: Expose PSCI conduit Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 38/42] firmware/psci: Expose SMCCC version through psci_ops Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 39/42] arm/arm64: smccc: Make function identifiers an unsigned quantity Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 40/42] arm/arm64: smccc: Implement SMCCC v1.1 inline primitive Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 41/42] arm64: Add ARM_SMCCC_ARCH_WORKAROUND_1 BP hardening support Mark Rutland
2018-04-12 11:11 ` [PATCH v4.9.y 42/42] arm64: Kill PSCI_GET_VERSION as a variant-2 workaround Mark Rutland
2018-04-12 16:39 ` [PATCH v4.9.y 00/42] arm64 spectre patches Greg Hackmann
2018-04-17 12:15 ` Greg KH [this message]
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