From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 5DA6C20FAB1; Fri, 18 Apr 2025 07:43:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744962213; cv=none; b=kLIcMRBwGlW8OB3RvcLalG8SSwL7nMm8OE/Kwnqead1Fd+MaYxVt/oNkN5YD2g/moKT8xcNm+/SJCtAamiUr4Ggq1OU0+BcM0BKHkC6VCR8JkzFPdVwmb4Un16z3MQKTR0k0tf81Urjcm95hm8tLvz2xzx3XYf18IFKjimk+Ge8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744962213; c=relaxed/simple; bh=2UdZ3qTLAl5ywz9M0xFZCT+nXRQCqFmZSjigQ8KtX60=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=qPjAxYQgu6XDYImr42kIAR2nPNb9WFM4TDqezNQUo6WLx2QeretSd/D5ChD35hjgM+6dh7kzspmpI1wH/OynaFQesXRJ5cqwg29K8qXGHQcRM9Fw3meQTRAQlJ+AB/X9IVujyJs2hIbZYamAxsDj1s1bleZuYD9Kqfpzv6elI7I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KxPxT+sj; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="KxPxT+sj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DC7C3C4CEE2; Fri, 18 Apr 2025 07:43:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1744962212; bh=2UdZ3qTLAl5ywz9M0xFZCT+nXRQCqFmZSjigQ8KtX60=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=KxPxT+sj19iqe0k1iQuI2AHFVb074liHeI3q2TcazaGlYxVhJimFusFeLkc86mNby 6EF9L7JgG2Vp86SOU6hrFhxi+Ny9oLnx9CSeA+mBm0QqIeURWbHGjrDlQ1+QEL0j18 QXCLl2MFIzHvUZaJH+TLm7FzlBibd1dTyW4Eq2NqmM5IJPeYe281OKEaDI1pr9OeEa I6Cqw77Mmv+iqDTVRP7TYhICHoS6TooUgWft3aG9B41NUQexPLy45bUHOCarJcO2Yr 6mqRO5sIHp5yqa8fhXVS0KA86ErHPD4lFbtUp2rTWNt8bgR2r9nF1C7XP8VLw4kJAl akSi67588Ycwg== Date: Fri, 18 Apr 2025 09:43:28 +0200 From: Ingo Molnar To: Ard Biesheuvel Cc: Tom Lendacky , Borislav Petkov , Ard Biesheuvel , linux-efi@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org, "Kirill A. Shutemov" , Dionna Amalie Glaze , Kevin Loughlin Subject: Re: [PATCH v3] x86/boot/sev: Avoid shared GHCB page for early memory acceptance Message-ID: References: <20250410132850.3708703-2-ardb+git@google.com> <20250411184113.GBZ_liSYllx10eT-l1@renoirsky.local> <3f2b0089-a641-1e0c-3558-0a8dc174d1ec@amd.com> <96762dec-616b-b906-02b3-e006d43a8535@amd.com> <3196bc53-cb39-5501-b585-de175eed83af@amd.com> Precedence: bulk X-Mailing-List: linux-efi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: * Ard Biesheuvel wrote: > > >> OK. Would this do the trick? (with asm/sev.h added to the #includes) > > > > > > Yes, that works for booting. Let me do some kexec testing and get back > > > to you. Sorry, that might not be until tomorrow, though. > > > > Ok, found some time... looks good with kexec, too. > > > > Thanks! I've turned this into this tag for the -v4 patch: Tested-by: Tom Lendacky Thanks, Ingo