From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792557212; b=qooGDbyeMLJ4slZzflDHPaC8nCSdQ8M0u/B45yPskAUzhEqEzNkCUYDdU+xMs/GpiOBh iN3CvIeNpBY5tMguMalYSkzZuMb+qBDY0wKK+8+7a+BtwTPZx5w5F4MupscHQSXNu0giL Uo71spc0OdCAkPuN68sLYwb3JB2gFi8ebV1JyGLLJlz8gWK7WvF5JeYSUBrq0Ho5Dce/u R9LW83gApbcEn+u62oIYy9tyVmXAqxw7xYsTXbNy6rXCBVE+AeJgMUM8tP954VxlZbQJz JcQFhkXUdIU4pfNjFhdMhFp52+ztsXvBjzmOmcwrSMZ8pdFb4joOHNl0hdHLHIYt4KA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792557212; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=VLqpe7j4Q9h/YqOkFa6Q/QvAG0shwC/enE07t1pZxmc=; b=2z2UqsiLcIbuDr0vYSeQf228i7SEdtC3RW+JtQ0SUTKyrVthbjOfkhhZF0Qwr2InTxAM unfr2SbgVdG6kU8fxOV2sJ58b0NSj8EZDDfYwqjdTHDe5F4uFCx0zkeQhKcj58z3plFGk SMEPvMrApmIGtmiT6S1YNepEXAbOK8fLJC/qq1tr0MlhntHXsOwwJPOVTgZhBl1ajeQLP DhrgC/xxlNvCG/rXU1qAjC53Mf0K+f4twfUutzrtXtYLdztCBw/JPiBeWmB4FFKtnJWfM 0uo+Su2mzaKs3090SXm0EtzJzbPyQA3N/ynXyHDLUOYHgy6jXnKJ+XGvkHCUXuXocsQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=i+ZPY2ae; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 09860606A319 for ; Wed, 21 Oct 2026 04:33:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=i+ZPY2ae Received: by smtp.kernel.org (Postfix) with ESMTPSA id 67EA31F000C9; Wed, 21 Oct 2026 04:33:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792557211; bh=VLqpe7j4Q9h/YqOkFa6Q/QvAG0shwC/enE07t1pZxmc=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=i+ZPY2aezH/dJsos2qS0B503dqlrxIAskEcRpNVSvq7QzfJ8IQGTZ4O0FY1va28FP 3tfpaXCnC+cQbI/YEJwnYvLAgaVPLUXBVS0DZGsEjBTmd4Y7ZHwks2WmLH4pJ+vUNc Dkl1Dx2gDIDljJzIvzyV+MeI8HpZtmwPUB+6uNnCPvlEEG5v5uE/kxGrw3fT+llnel d9s9dl4glQprWlJfur8hd6S9coRdUGSD/o0gX4SJYBZUQBYR3xRmUL+1//LObJTRWO Q4LJFy+mFXkIhMC55qN2O0HGVNn2HrYplWY/9M+8r23rGeVg6wgegsmF6/BNDBEF9G 3ObrJynxjdX6w== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v7 10/10] NTB: ntb_hw_epf: Support DMA and MW sharing a BAR Reply-To: sashiko-reviews@lists.linux.dev To: "Koichiro Den" Cc: linux-pci@vger.kernel.org In-Reply-To: <20261021042229.2280937-11-den@valinux.co.jp> References: <20261021042229.2280937-1-den@valinux.co.jp> <20261021042229.2280937-11-den@valinux.co.jp> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Wed, 21 Oct 2026 04:33:30 +0000 X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > A vNTB endpoint can place DMA resources after an MW in the same BAR. > Limit the MW to the advertised boundary so clients cannot overwrite > those resources. >=20 > Advertise this support in LINK_UP, including when DMA is unavailable. > Older endpoints ignore the argument. >=20 > Signed-off-by: Koichiro Den Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261021042229.2280= 937-1-den@valinux.co.jp?part=3D10