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Fri, 17 Jul 2020 09:02:06 +0100 MIME-Version: 1.0 Date: Fri, 17 Jul 2020 09:02:06 +0100 From: Marc Zyngier To: Greg KH Subject: Re: [Stable-5.4][PATCH 0/3] arm64: Allow the compat vdso to be disabled at runtime In-Reply-To: <20200716115813.GB1668009@kroah.com> References: <20200715125614.3240269-1-maz@kernel.org> <20200716115813.GB1668009@kroah.com> User-Agent: Roundcube Webmail/1.4.5 Message-ID: X-Sender: maz@kernel.org X-SA-Exim-Connect-IP: 51.254.78.96 X-SA-Exim-Rcpt-To: gregkh@linuxfoundation.org, stable@vger.kernel.org, arnd@arndb.de, sashal@kernel.org, naresh.kamboju@linaro.org, mark.rutland@arm.com, will@kernel.org, catalin.marinas@arm.com, daniel.lezcano@linaro.org, vincenzo.frascino@arm.com, linux@arm.linux.org.uk, tglx@linutronix.de, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel-team@android.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200717_040209_681158_8D649E67 X-CRM114-Status: GOOD ( 15.37 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: sashal@kernel.org, Mark Rutland , kernel-team@android.com, Russell King , arnd@arndb.de, Catalin Marinas , naresh.kamboju@linaro.org, Daniel Lezcano , linux-kernel@vger.kernel.org, stable@vger.kernel.org, Thomas Gleixner , Vincenzo Frascino , Will Deacon , linux-arm-kernel@lists.infradead.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Greg, On 2020-07-16 12:58, Greg KH wrote: > On Wed, Jul 15, 2020 at 01:56:11PM +0100, Marc Zyngier wrote: >> This is a backport of the series that recently went into 5.8. Note >> that the first patch is more a complete rewriting than a backport, as >> the vdso implementation in 5.4 doesn't have much in common with >> mainline. This affects the 32bit arch code in a benign way. >> >> It has seen very little testing, as I don't have the HW that triggers >> this issue. I have run it in VMs by faking the CPU MIDR, and nothing >> caught fire. Famous last words. > > These are also needed in 5.7.y, right? If so, I need that series > before > I can take this one as we don't want people moving to a newer kernel > and > suffer regressions :( The original mainline changes: 4b661d6133c5 arm64: arch_timer: Disable the compat vdso for cores affected by ARM64_WORKAROUND_1418040 c1fbec4ac0d7 arm64: arch_timer: Allow an workaround descriptor to disable compat vdso 97884ca8c292 arm64: Introduce a way to disable the 32bit vdso do apply cleanly to stable-5.7. Do you want me to resend them separately, or will you pick the patches directly from mainline? Thanks, M. -- Jazz is not dead. It just smells funny... _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel