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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 64681C4167B for ; Mon, 27 Nov 2023 22:54:46 +0000 (UTC) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=r0o1JnHb; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4SfLWS708Lz3cQr for ; Tue, 28 Nov 2023 09:54:44 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=r0o1JnHb; dkim-atps=neutral Received: from gandalf.ozlabs.org (unknown [IPv6:2404:9400:2221:ea00::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4SfLVW6Gbtz30Q4 for ; Tue, 28 Nov 2023 09:53:55 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ellerman.id.au; s=201909; t=1701125624; bh=rOsMOelm9KRpuNWnGEzLQU2rWACE4VTemWp1UmvKWw0=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=r0o1JnHbuwfMu52tsXpn+LH+mtP1FzON3AeXD30koUwocp09UXnyO2Rr+mwQBfblh 48VH4EUW2fiB4zoG9MssajfgR97t51aDTy24ymuAhfAc0Pau9MJBhbqEmGQ0RdiLZl OoD5vKY40aRJIi6vCtyzQEPWnWlaELAl1ioKgyQHZCcUyLg3kHqB1p+yet5/X0XRl0 5d0RyXj5HXKmQUCkSdB1H8YdodoMZgZKoCMKUTWeabP6upi8C9W7VdmYXUUj1cBedz VgfAYoEcNikhFeEh9qPzo3LyNcspozcpDh2B+v/NtlmTMuEzEkOVS5oK6OdJzT0XDD i0ZoPG5DQtp2Q== Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4SfLVH3W5Tz4wbp; Tue, 28 Nov 2023 09:53:43 +1100 (AEDT) From: Michael Ellerman To: Timothy Pearson Subject: Re: [PATCH v2] powerpc: Don't clobber fr0/vs0 during fp|altivec register save In-Reply-To: <1276384468.50536225.1701110354677.JavaMail.zimbra@raptorengineeringinc.com> References: <1921539696.48534988.1700407082933.JavaMail.zimbra@raptorengineeringinc.com> <877cmc7ve9.fsf@mail.lhotse> <439072392.48800901.1700498743840.JavaMail.zimbra@raptorengineeringinc.com> <874jhg6lkn.fsf@mail.lhotse> <1294229534.48922001.1700539832331.JavaMail.zimbra@raptorengineeringinc.com> <87leaqjs8x.fsf@mail.lhotse> <1340817182.49635143.1700784119445.JavaMail.zimbra@raptorengineeringinc.com> <1276384468.50536225.1701110354677.JavaMail.zimbra@raptorengineeringinc.com> Date: Tue, 28 Nov 2023 09:53:36 +1100 Message-ID: <874jh64xlb.fsf@mail.lhotse> MIME-Version: 1.0 Content-Type: text/plain X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jens Axboe , linuxppc-dev , regressions , npiggin Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Timothy Pearson writes: > Just wanted to check back and see if this patch was going to be queued > up soon? We're still having to work around / advertise the data > destruction issues the underlying bug is causing on e.g. Debian > Stable. Yeah I'll apply it this week, so it will be in rc4. I wanted to be more certain the corruption only happens in practice with io-uring before applying it. cheers From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B859B3E490 for ; Mon, 27 Nov 2023 22:53:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ellerman.id.au Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ellerman.id.au header.i=@ellerman.id.au header.b="r0o1JnHb" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ellerman.id.au; s=201909; t=1701125624; bh=rOsMOelm9KRpuNWnGEzLQU2rWACE4VTemWp1UmvKWw0=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=r0o1JnHbuwfMu52tsXpn+LH+mtP1FzON3AeXD30koUwocp09UXnyO2Rr+mwQBfblh 48VH4EUW2fiB4zoG9MssajfgR97t51aDTy24ymuAhfAc0Pau9MJBhbqEmGQ0RdiLZl OoD5vKY40aRJIi6vCtyzQEPWnWlaELAl1ioKgyQHZCcUyLg3kHqB1p+yet5/X0XRl0 5d0RyXj5HXKmQUCkSdB1H8YdodoMZgZKoCMKUTWeabP6upi8C9W7VdmYXUUj1cBedz VgfAYoEcNikhFeEh9qPzo3LyNcspozcpDh2B+v/NtlmTMuEzEkOVS5oK6OdJzT0XDD i0ZoPG5DQtp2Q== Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4SfLVH3W5Tz4wbp; Tue, 28 Nov 2023 09:53:43 +1100 (AEDT) From: Michael Ellerman To: Timothy Pearson Cc: Jens Axboe , regressions , npiggin , christophe leroy , linuxppc-dev Subject: Re: [PATCH v2] powerpc: Don't clobber fr0/vs0 during fp|altivec register save In-Reply-To: <1276384468.50536225.1701110354677.JavaMail.zimbra@raptorengineeringinc.com> References: <1921539696.48534988.1700407082933.JavaMail.zimbra@raptorengineeringinc.com> <877cmc7ve9.fsf@mail.lhotse> <439072392.48800901.1700498743840.JavaMail.zimbra@raptorengineeringinc.com> <874jhg6lkn.fsf@mail.lhotse> <1294229534.48922001.1700539832331.JavaMail.zimbra@raptorengineeringinc.com> <87leaqjs8x.fsf@mail.lhotse> <1340817182.49635143.1700784119445.JavaMail.zimbra@raptorengineeringinc.com> <1276384468.50536225.1701110354677.JavaMail.zimbra@raptorengineeringinc.com> Date: Tue, 28 Nov 2023 09:53:36 +1100 Message-ID: <874jh64xlb.fsf@mail.lhotse> Precedence: bulk X-Mailing-List: regressions@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Timothy Pearson writes: > Just wanted to check back and see if this patch was going to be queued > up soon? We're still having to work around / advertise the data > destruction issues the underlying bug is causing on e.g. Debian > Stable. Yeah I'll apply it this week, so it will be in rc4. I wanted to be more certain the corruption only happens in practice with io-uring before applying it. cheers