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 7C6FA37BE64 for ; Wed, 20 May 2026 21:15:19 +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=1779311721; cv=none; b=Vowt/2wkP5gBvWJdJnxHwj1YCHck4K3IZI0DLuuqjf6CJVB6nD8b4pGg6RZh0oU1mYIm/GtcOGdvvwxYTNaZatOKx9mQ5FiphwIrlcEkU4JV/odkqWSiRQFPn0DHdMq/ngJKTwVNlJ7J/hH3cZXvZMN19VOO/r0uJm6AA/pph84= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779311721; c=relaxed/simple; bh=w5DJKwlsvLYG3M7dw9lVozPmZTqwNSTWSrh5icShF1g=; h=MIME-Version:Date:From:To:Cc:Subject:In-Reply-To:References: Message-ID:Content-Type; b=cygTw4hF1UznLwh757zTqyLFnditv8HMDYuPxjuKrApL/t9++Ex9HC1GQvb+mP7xJAGGCD0KBLMnxxVLBIxfIFYr/V0BTSke4/3IyU1oeHptyDBV1KbAv6wQ5FdBQh2tEZjkjuoEm+UwwOFjpwbvUpTddEwa2i/qRhxCOm9zogk= 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=h5Cwm4IX; 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="h5Cwm4IX" 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:References: In-Reply-To:Subject:Cc:To:From:Date:MIME-Version:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=QrmoDDcRFc85TJxSTIraknowNTSHHOttVC2hQ/n8Nw8=; b=h5Cwm4IXpqydrJFUwR+NYd9lEz MgWdiaLQRW3jNu68Dv9kDXmNtxbACTne+/I1pY8Uyc0KYJx7e5TDIDoxEge2SGzZOpP1SaqH5G8p2 nX9ChKIUHZtmsjAVXEVgIa2RLd0CxVPfTAU9Yn3ra0srJqgb05V9NUm6tjrzWBERCA9jqBOGm6RBs c4l4RXPIkl3P50RE1VOC9221An5SaDxMz2Zk0qYN5SJ6upzgjjlaYm+Xj7j+/235+RRat0vdW20tT +bowa6B5uk88ORN7ZtYOBC6XDJDnknjIU8MmW0Bi37N7kalpP/v02ZYMARqD48QhCxa0s5Xp1Xgsn kgvLaNfw==; 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 1wPoFv-0041Ys-8c; Wed, 20 May 2026 23:15:07 +0200 Received: from webmail.service.igalia.com ([192.168.21.45]) by mail.igalia.com with esmtp (Exim) id 1wPoFt-008Pcq-07; Wed, 20 May 2026 23:15:07 +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 1wPoFs-00000002qJh-1HpH; Wed, 20 May 2026 23:15:04 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Date: Wed, 20 May 2026 18:15:04 -0300 From: Mauricio Faria de Oliveira To: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Juergen Gross , Alexey Dobriyan , Boris Ostrovsky Cc: kernel-dev@igalia.com, linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org Subject: Re: [PATCH v2 0/3] x86/pvh: fix unbootable VMs again (PVH + KASAN) In-Reply-To: <20260427-pvh-kasan-inline-v2-0-2c57b8dcff6a@igalia.com> References: <20260427-pvh-kasan-inline-v2-0-2c57b8dcff6a@igalia.com> Message-ID: X-Sender: mfo@igalia.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spam-Report: NO, Score=-4.8, Tests=ALL_TRUSTED=-3,AWL=-2.599,BAYES_50=0.8 X-Spam-Score: -47 X-Spam-Bar: ---- On 2026-04-27 13:10, Mauricio Faria de Oliveira wrote: > The issue of unbootable VMs with CONFIG_PVH due to CONFIG_KASAN is back. > > Booting directly from vmlinux (instead of bzImage) now fails with gcc-14/15 > (but works with gcc-12/13) if CONFIG_KASAN_GENERIC is set, on Ubuntu 25.10. v3: https://lore.kernel.org/all/20260520-pvh-kasan-inline-v3-0-bede769c6ec7@igalia.com/ -- Mauricio