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Thu, 30 Apr 2026 03:26:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777519573; bh=THrrdSGjgRzaSbCrGespfxo5C/AWLl4KlIEGbaUs1N8=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=UzTbqLo/5B2o+wNCv7hc433OYzKq4siikxTyngUKDMF3HAeUjhBhAk77XupcxRUvU 8AQeEfOAPdqCa9Uxdu60usplkxVCGl2lAhF6QZOdLWIjERQA7vDLeINPZy/5ERe7Wc ghiINRi89Td2t+djUJI7HVkMnXuK1rdp0d0YYVr2nHuJNC05bQejhStGEvFx6LEv4v Q0foheq2svz+12OFi+UHX6I/M6rycHRVU+nwE7Bew/REJdDDUJFX4jYb42DVn24wgZ Adw0Roiy4+syrE/ThlZQ2sCXbjShOe4cVpKtA73HBp9XxbgCtMQ6+9J8F7NCLPpp9Q EzM7rlb9XVxGg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 3FE533809A07; Thu, 30 Apr 2026 03:25:30 +0000 (UTC) Content-Type: text/plain; charset="utf-8" X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH v5 0/2] Fix bugs and performance of kstack offset randomisation From: patchwork-bot+linux-riscv@kernel.org Message-Id: <177751952875.2274119.16398594062786998071.git-patchwork-notify@kernel.org> Date: Thu, 30 Apr 2026 03:25:28 +0000 References: <20260303150840.3789438-1-ryan.roberts@arm.com> In-Reply-To: <20260303150840.3789438-1-ryan.roberts@arm.com> To: Ryan Roberts Cc: linux-riscv@lists.infradead.org, catalin.marinas@arm.com, will@kernel.org, chenhuacai@kernel.org, maddy@linux.ibm.com, mpe@ellerman.id.au, pjw@kernel.org, palmer@dabbelt.com, aou@eecs.berkeley.edu, hca@linux.ibm.com, gor@linux.ibm.com, agordeev@linux.ibm.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, kees@kernel.org, gustavoars@kernel.org, arnd@arndb.de, mark.rutland@arm.com, Jason@zx2c4.com, ardb@kernel.org, jeremy.linton@arm.com, david.laight.linux@gmail.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-hardening@vger.kernel.org Hello: This series was applied to riscv/linux.git (fixes) by Kees Cook : On Tue, 3 Mar 2026 15:08:37 +0000 you wrote: > [Kees; I'm hoping this is now good-to-go via your hardening tree? It would be > good to get some linux-next testing.] > > Hi All, > > As I reported at [1], kstack offset randomisation suffers from a couple of bugs > and, on arm64 at least, the performance is poor. This series attempts to fix > both; patch 1 provides back-portable fixes for the functional bugs. Patch 2 > proposes a performance improvement approach. > > [...] Here is the summary with links: - [v5,1/2] randomize_kstack: Maintain kstack_offset per task https://git.kernel.org/riscv/c/37beb4256016 - [v5,2/2] randomize_kstack: Unify random source across arches https://git.kernel.org/riscv/c/a96ef5848cb0 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html