From nobody Mon Dec 1 22:03:19 2025 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 6CD42304BB5; Mon, 1 Dec 2025 10:50:45 +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=1764586245; cv=none; b=JKUjPa8GVr6QgU5l55nnPz9MMrQ1B3BNfGKhzDJo+i8riDQaokdY/gyTNpKcKv2lduEupVWl0bmsh3mxVM0uNMbZB2YD53htsB1+4Fdev/R5hszPSxP22lfeRvgyzi13uSkq1Dnee8EzSLbNyMnFns8TXDO/n29EQauI+B7BJxY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764586245; c=relaxed/simple; bh=soLLIRsbuDfyantBFZTK0Fok4YmEK6Tih/8wUoUvq3A=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=q+dXGFC8093P7Xr0TTqdErJoyIugvRpAeK2Jbhm8snDD7hdrXq4Dk0vQmFK/ZBRx4wv+a4a30zlp94fqe0d2MEmI8raoP6NudgBvHTaESqFijqCDUsHiakhU8ra/lV8ZSaMl5t9zrpZsuHlBq8bbGXSrL9edINJrrdwJoSPRWOg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=slheEfRM; 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="slheEfRM" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B7E21C113D0; Mon, 1 Dec 2025 10:50:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1764586245; bh=soLLIRsbuDfyantBFZTK0Fok4YmEK6Tih/8wUoUvq3A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=slheEfRM4qq4CBY706N9NiDZkoNhrtLL3LdJB3q+32lOQZN31j+ES1wWKUKQIZjMh O/K1ln97Il8byeLhs+vJ+hNeGh6fn9oPvvd+S8fwyvw1XN41fLNHuEy8Rw2ptq5BIy 3EP5XlafFZUMbvVtGmZATm5tmVw9usBYsLFdXP57HcVGaC59EFEXlGib28hruszN2f bGtjaF1xcCRi2nbyCN/n2hbmgPmfg5MDMZDWQ2K/20rA6Ba5BDbPGwUALNDDytAtLm TbZbgiE5EP3tXtQq0LD5DTG3MQ0JjqN3QTts2r4CQDiUAaFaKdHWhnPGSynEO05c9i YaHjWO07eZnFA== From: Philipp Stanner To: Sumit Semwal , Gustavo Padovan , =?UTF-8?q?Christian=20K=C3=B6nig?= , Felix Kuehling , Alex Deucher , David Airlie , Simona Vetter , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , Huang Rui , Matthew Auld , Matthew Brost , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Lucas De Marchi , =?UTF-8?q?Thomas=20Hellstr=C3=B6m?= Cc: linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, Philipp Stanner Subject: [PATCH v2 3/8] amd/amdkfd: Use dma_fence_check_and_signal() Date: Mon, 1 Dec 2025 11:50:07 +0100 Message-ID: <20251201105011.19386-5-phasta@kernel.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20251201105011.19386-2-phasta@kernel.org> References: <20251201105011.19386-2-phasta@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable amdkfd is one of the few users which relies on the return code of dma_fence_signal(), which, so far, informs the caller whether the fence had already been signaled. As there are barely any users, dma_fence signaling functions shall get the return value void. To do so, the few users must be ported to a function which preserves the old behavior. Replace the call to dma_fence_signal() with one to dma_fence_check_and_signal(). Suggested-by: Christian K=C3=B6nig Signed-off-by: Philipp Stanner Reviewed-by: Felix Kuehling --- drivers/gpu/drm/amd/amdkfd/kfd_process.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd= /amdkfd/kfd_process.c index ddfe30c13e9d..4dc46ac6a65e 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c @@ -1983,10 +1983,10 @@ kfd_process_gpuid_from_node(struct kfd_process *p, = struct kfd_node *node, return -EINVAL; } =20 -static int signal_eviction_fence(struct kfd_process *p) +static bool signal_eviction_fence(struct kfd_process *p) { struct dma_fence *ef; - int ret; + bool ret; =20 rcu_read_lock(); ef =3D dma_fence_get_rcu_safe(&p->ef); @@ -1994,7 +1994,7 @@ static int signal_eviction_fence(struct kfd_process *= p) if (!ef) return -EINVAL; =20 - ret =3D dma_fence_signal(ef); + ret =3D dma_fence_check_and_signal(ef); dma_fence_put(ef); =20 return ret; --=20 2.49.0