From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from fanzine2.igalia.com (fanzine2.igalia.com [213.97.179.56]) (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 77AC849B208 for ; Tue, 15 Sep 2026 23:56:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.97.179.56 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789516562; cv=none; b=l7GAaSc15TYGa6E2l6c4znCX945Q0ewYahU8vg7xhgKiTKZM4Kpi76OYy6jJhQevorKyakqviXZCtfkp+I0L8pLuH5Z8yyFHQ8Rv1cAoaLFE+SY8WVmVOhq2NO8c9jSgQyJghQbIG3joYoGyBsi9QmIRZ6tRVlRXZT+uN4DbGcQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789516562; c=relaxed/simple; bh=ivf0HWWrnF13dQ8TYRU8Mxx7L5yThSRGnDstERpAK+M=; h=MIME-Version:Date:From:To:Cc:Subject:In-Reply-To:References: Message-ID:Content-Type; b=ZMHIlN+okiwD7S4njOjghXp8KYyF5mnaxS5rSQCk/Q0XSHdfmYXU/gRHBPm/4G7wtCKC+2iIGEvIf/1CTySWnOpCI5droyrRq3ec2MdyJaewXELcRA4wQKbWmkJTnqHw9wQI0ejNB+/h88iWEwe0DhGmmOKbV9M5Ut6XhP/eHLk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com; spf=pass smtp.mailfrom=igalia.com; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b=FYTeW+Js; arc=none smtp.client-ip=213.97.179.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=igalia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b="FYTeW+Js" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:Content-Type:Message-ID:Subject:Cc:To :From:Date:MIME-Version:From:Reply-To; bh=KcruWwdX0V35F0OFmxXzRLw0Nkd32o9ayTCXiOg/3lc=; b=FYTeW+Jse40BtVnGitDFqVV/fa oZNgbPIaWm2VLM7aof8GkquqiOdh+416aGGYzTWdgN7qlYyPdsGzR2/YZOVHZI4ICCGuDixvaU4Nm RnbXya4BrDsCDFRnChHv8nWFooZe8qxElaYBYLr9hK1eHu43YfCMV0hQZhO3tDaZuYd99/W3j0XRE jkWFBVq8G3gqKDXw4ScVxAhHKQVPRA4nl/Q8+LEz7B0CeujEWyVR9wRPMc1+UCm4G0tJNXbElw02z hjgOkRqBE063kOy7EejC80UWwyKCKI47LMCzuYnQjTu3D17U1FcvlbLwhntLa0tmZKOvx59zLl/Qe iUFxAqLg==; Received: from maestria.local.igalia.com ([192.168.10.14] helo=mail.igalia.com) by fanzine2.igalia.com with esmtps (Cipher TLS1.3:ECDHE_SECP256R1__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim) id 1x6d02-002gs2-4j; Wed, 16 Sep 2026 01:55:41 +0200 Received: from webmail.service.igalia.com ([192.168.21.45]) by mail.igalia.com with esmtp (Exim) id 1x6d01-0085PP-5B; Wed, 16 Sep 2026 01:55:41 +0200 Received: from localhost ([127.0.0.1] helo=webmail.igalia.com) by webmail.service.igalia.com with esmtp (Exim 4.98.2) (envelope-from ) id 1x6d01-000000029jK-0qGh; Wed, 16 Sep 2026 01:55:40 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Date: Tue, 15 Sep 2026 20:55:40 -0300 From: Mauricio Faria de Oliveira To: Borislav Petkov Cc: Thomas Gleixner , Ingo Molnar , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Juergen Gross , Alexey Dobriyan , Boris Ostrovsky , Jan Beulich , Brian Gerst , kernel-dev@igalia.com, linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org Subject: Re: [PATCH v9 5/5] x86/pvh: fix unbootable VMs by really inlining memset() in xen_prepare_pvh() In-Reply-To: <20260915052646.GIaqjXFkXBkWfvt3tP@fat_crate.local> References: <20260822-pvh-kasan-inline-v9-0-e70ef3b75b6a@igalia.com> <20260822-pvh-kasan-inline-v9-5-e70ef3b75b6a@igalia.com> <20260911043947.GIaqOGE9DFCHWwc6Ys@fat_crate.local> <20260915052646.GIaqjXFkXBkWfvt3tP@fat_crate.local> Message-ID: <78399f2346182d7de96343c9ede3da6c@igalia.com> X-Sender: mfo@igalia.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spam-Report: NO, Score=-2.1, Tests=ALL_TRUSTED=-3,BAYES_50=0.8,KAM_DMARC_NONE=0.125,KAM_DMARC_STATUS=0.005 X-Spam-Score: -20 X-Spam-Bar: -- On 2026-09-15 02:26, Borislav Petkov wrote: > On Mon, Sep 14, 2026 at 08:40:38AM -0300, Mauricio Faria de Oliveira wrote: >> Due to scope and review purposes (4/5 is more generic, 5/5 is specific >> to PVH). If there's a strong preference to combine these, please just >> let me know. > > But they sound like they're fixing the same thing: > > "vmlinux no longer boots with CONFIG_PVH if CONFIG_KASAN_GENERIC is set." > > and this one's commit message: > > "This particular one (still) generated the inline implementation as expected > (at least in these compiler versions)" > > sounds like it is referring to the previous patch. Or I don't know what you > mean with "these compiler versions"? > > Bottom line: if someone needs to apply both to fix unbootable PVH VMs due to > mis-inlining of the compiler, then someone can simply apply one and be done > with it. > > Thx. Sure, I'll combine these. Thanks, -- Mauricio