From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 C27E7390985; Tue, 29 Sep 2026 04:14:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790655274; cv=none; b=pI3+ZfUJ4toDL/OP9XIjpv0IsrN9x82BzX3sqnGfkwVDYmOXvFsWFBQw9HwjT5dzUgqHBcKdJXXfTDcLV83+5WBn0Bz3G9sLk5kSy0lmEK6fxgVSu6gY1/UWhofHNYCqD3hB8HEe6kl3WXPH214rKEIs7q1VVaOSbA39XhL1Qhk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790655274; c=relaxed/simple; bh=R9A3N+G7NkPWOa1bq+bzwUzYvsGB7Rc6nye+IUPycL0=; h=From:Subject:To:Cc:In-Reply-To:References:Content-Type:Date: Message-Id; b=jQVvmQCQoK7zcnI7Ax0oYo72Xg5s8ueO3C6JJibmGI+Kv1DyvnScIE0Dd/D6VoeS/mok7OPl6GFUEVnJDa0LCvuCEmqWuBNDrE6m87FvcGOPD2Ti692e5azRW7kuRz72ntsEFSnY3kw716g4DzBHA6KapVSmBN7Y9KlAJ4Adops= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ZqdjNY/w; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ZqdjNY/w" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 25A1C1F000FF; Tue, 29 Sep 2026 04:14:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790655273; bh=R9A3N+G7NkPWOa1bq+bzwUzYvsGB7Rc6nye+IUPycL0=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=ZqdjNY/wPfrFkvF3sKtMCNJZwkHurfD818YImFiZmaGRxvbspQulN6cn/0nyOR7TW 7OxJQND/C97kFRZVhm+neDp5IbZ63gORNy27pNaUdeVJu2VLDncBxQme5M0VyZv7uK zcOIMOdq7FW1Lu1jXfoDc9VYQfABh4lvOHN6II8z/K1Lc6VgYnZ4y+qzcKLVBKJerU rT5qmCHmjfBICfYYQcr+RwnuytwDrRuKzY0umE7fgtGZi4rmEBb9hUkJMO5BbrxonB 5S57DNIs0HD9BV7ofa0HFTNO0GXKW+F1FiKF2NX2yr8Iob538GLOkMLSD1x9u77kIv IbpP+PVNanwug== From: sashiko-bot@kernel.org Subject: Re: [PATCH v2 5/6] x86/tdx: Support early sharing of kernel data Reply-To: sashiko-reviews@lists.linux.dev To: "Zack Rusin" Cc: virtualization@lists.linux.dev, kvm@vger.kernel.org, linux-hyperv@vger.kernel.org, "Eugenio Perez" , "Michael S. Tsirkin" In-Reply-To: <20260929040256.543767-6-zack.rusin@broadcom.com> References: <20260929040256.543767-1-zack.rusin@broadcom.com> <20260929040256.543767-6-zack.rusin@broadcom.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Tue, 29 Sep 2026 04:14:32 +0000 Message-Id: <20260929041433.25A1C1F000FF@smtp.kernel.org> Precedence: bulk X-Mailing-List: linux-hyperv@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > Share pages before the page allocator is available, after both their > direct-map and kernel-image mappings have been made shared. Preserve > initial contents in a private scratch page, matching the AMD early helper, > and use the existing MapGPA path and shared-page accounting. >=20 > UP per-CPU data has an image alias. Drop shared image mappings before > kexec converts their backing pages to private through the direct map. >=20 > Suggested-by: Kiryl Shutsemau > Link: https://lore.kernel.org/r/aqqGUAX65s4LdJkr@thinkstation > Signed-off-by: Zack Rusin Sashiko has reviewed this patch and found no issues. It looks great! --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20260929040256.5437= 67-1-zack.rusin@broadcom.com?part=3D5