From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 51268606D802 for ; Fri, 6 Nov 2026 17:39:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=tE6NtK+z; dkim=fail reason="signature verification failed" (1024-bit key, unprotected) header.d=arm.com header.i=@arm.com header.a=rsa-sha256 header.s=foss header.b=b46Iw0Is DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To: Content-Type:MIME-Version:References:Message-ID:Subject:To:From:Date:Reply-To :Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; bh=V/Ki9KYCk1/u/T9+TLPXVuBQHKR32la5lHVotRJ9M9s=; b=tE6NtK+zj2CeDdQpQl1Wo6ZLs+ UIpwSp3c5d/b26Ngi+L3ii/4N4+VtBP1TL/CQxEM4OxD5ZZo1ax4bdqtK0PcFpvVxI8jL5AJaTC6l aO4x3vwOaX46YKu0PBHzU/G1d0kN/OfygPRYiZjCuCtyusTwYGtplEu5rSOaE+GIPuWXbdtazOVfj Rb6uvhO17ixbCtAdo5PLVSRN4uQ8ZXnGJeGxGKrc2fRd25yZroBp/VrUCrX+/6qAJBPfc4rimtT6E CyEOjrGhuF3zfIp2ZNSuVDGbScrnl4Gk1yoUaBQCWEmvrwcbWjxqAzhsRLjYgBY3jHi2yVDx7HB6x 1PjLDWxw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xPNu1-0000000DGDv-2eC2; Fri, 06 Nov 2026 17:39:01 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xPNtz-0000000DGCt-2Baj for linux-arm-kernel@lists.infradead.org; Fri, 06 Nov 2026 17:39:00 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 37C51153B; Fri, 6 Nov 2026 09:38:55 -0800 (PST) Received: from arm.com (usa-sjc-mx-foss1.foss.arm.com [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id E311E3F632; Fri, 6 Nov 2026 09:38:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1793986738; bh=Au11w2LcZqWcY7AEya/LgeSWkZUdT+Gf4txaRTnYGZo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=b46Iw0Iszy98SNd2Ysmjz5/eWk+qZHyrwWByFkmfYCpUNGC07OVTzMcnxF6B1tl5u dZTZWdyX3pVaWzbzKvqFf9udxyzvhmX7DaqTMaxgvh4Yv2OTOSjVj8jg7gV6rC2rGe vY5mjfipkuqKnqSBvbDhhZiwbQO82z5CZBo8whm8= Date: Fri, 6 Nov 2026 17:38:53 +0000 From: Catalin Marinas To: Kiryl Shutsemau Subject: Re: [PATCH v2 1/2] arm64: sdei: Run the event handler on the kernel vectors Message-ID: References: <20261105120835.3321912-1-kirill@shutemov.name> <20261105120835.3321912-2-kirill@shutemov.name> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261106_093859_603438_C11C69E0 X-CRM114-Status: GOOD ( 15.81 ) X-Spam-Score: -4.4 (----) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Thomas Huth , Vladimir Murzin , Usama Arif , Peter Zijlstra , Marc Zyngier , Jinjie Ruan , kernel-team@meta.com, Doug Anderson , stable@vger.kernel.org, linux-kernel@vger.kernel.org, James Morse , linux-arm-kernel@lists.infradead.org, Breno Leitao , mrigendrachaubey , Will Deacon , Linus Walleij , Dawei Li Sender: "linux-arm-kernel" X-Spam-Status: No, score=-8.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Fri, Nov 06, 2026 at 11:48:00AM +0000, Kiryl Shutsemau wrote: > On Thu, Nov 05, 2026 at 06:37:46PM +0000, Catalin Marinas wrote: > > Worth a separate patch to fix SDEI handling with pseudo-NMI on and no > > changes to __this_cpu_read() above needed. So, for this patch: > > > > Reviewed-by: Catalin Marinas > > Thanks! > > Would it still make sense to switch to raw_cpu_read() in this patch for > stable@? The splat is new with this patch, so without it stable trees > would also need the PMR fix. > > Let me know if you want a re-spin with raw_cpu_read(). No need to respin, I can fix it locally. -- Catalin