From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (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 31B532580DE; Mon, 8 Dec 2025 08:23:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765182233; cv=none; b=ghgTgxuBf8KwAGdMupBym9vFiABUz1AaDBJqcXQYvBDu8m4XfMTXyGh0TUVobG+2JJBcs2my7LvJ/W90ekD9GiSfMFrADzywascdsqMr8bMPLURO9vBrX4DI71IWF/Nv7/3w158CvjpJtymb7nmBct8rg4XCClESO4Uk5ZC3bGQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765182233; c=relaxed/simple; bh=HahwClOUPbY8lYOiDnAM6v1rk/QJWpGTlK1cCdtwK0E=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=UNgKh38LsGGExaNW078B4i4Y0vL8y9OWHlSZY9+Pfgm/G8FMkDtKNKuGdC2WAKF7Hl8UriASomJi7rUEqUYeUyPfggI1zI7wcwI6MDuW3EC14bXNyoPtiHuADrAgG/qcEcgKpCgw5YQ6bWYHftaoYWAnLCxdNj3BXUsPHsbbiJU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=ixQkjy7r; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="ixQkjy7r" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1765182229; bh=HahwClOUPbY8lYOiDnAM6v1rk/QJWpGTlK1cCdtwK0E=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=ixQkjy7rJibW29crRfhTQtaul/vOnLCOvAdfgkKV5rrYSpOijD+Sx7VeFnQT12TzM ezC1jZOAPUsDizd7ZeNCEJoZVoL/7yfmHTOAqLBrWCZOQovKxaWpP8R4WIZWPA9fwe 5JVYhPylQIle5ukhirviQLjACzt2mwW3u7vovoJ2hYaPppC/yGr/8pzdHr1geXYShE /WN1ipP+MpVOKJkBFIAUXR5dNstvYk38jhvCBJ8d9k20Bd0YdaOAXCeVaXugKAnk64 xCouvH8RDyY6nvIWoEHOwio+mo3HpmjNNyPIgfQIkz3Bo7Rh6VJdNLKnPGIcOSxzmm AYOnOT5jFe1Zw== Received: from fedora (unknown [IPv6:2a01:e0a:2c:6930:d919:a6e:5ea1:8a9f]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: bbrezillon) by bali.collaboradmins.com (Postfix) with ESMTPSA id F3C0217E0E30; Mon, 8 Dec 2025 09:23:47 +0100 (CET) Date: Mon, 8 Dec 2025 09:23:43 +0100 From: Boris Brezillon To: Oleg Nesterov Cc: Todd Kjos , Martijn Coenen , Joel Fernandes , Christian Brauner , Carlos Llamas , Suren Baghdasaryan , Felix Kuehling , Alex Deucher , Christian =?UTF-8?B?S8O2bmln?= , David Airlie , Simona Vetter , Rob Herring , Steven Price , =?UTF-8?B?QWRyacOhbg==?= Larumbe , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Liviu Dudau , Jason Gunthorpe , Leon Romanovsky , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-rdma@vger.kernel.org, netdev@vger.kernel.org Subject: Re: [PATCH 5/7] drm/pan*: don't abuse current->group_leader Message-ID: <20251208092343.2cbca352@fedora> In-Reply-To: References: Organization: Collabora X-Mailer: Claws Mail 4.3.1 (GTK 3.24.51; x86_64-redhat-linux-gnu) Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Sun, 7 Dec 2025 13:39:53 +0100 Oleg Nesterov wrote: > Cleanup and preparation to simplify the next changes. > > Use current->tgid instead of current->group_leader->pid. > > Signed-off-by: Oleg Nesterov > --- > drivers/gpu/drm/panfrost/panfrost_gem.c | 2 +- > drivers/gpu/drm/panthor/panthor_gem.c | 2 +- Acked-by: Boris Brezillon > 2 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/panfrost/panfrost_gem.c b/drivers/gpu/drm/panfrost/panfrost_gem.c > index 8041b65c6609..1ff1f2c8b726 100644 > --- a/drivers/gpu/drm/panfrost/panfrost_gem.c > +++ b/drivers/gpu/drm/panfrost/panfrost_gem.c > @@ -17,7 +17,7 @@ > static void panfrost_gem_debugfs_bo_add(struct panfrost_device *pfdev, > struct panfrost_gem_object *bo) > { > - bo->debugfs.creator.tgid = current->group_leader->pid; > + bo->debugfs.creator.tgid = current->tgid; > get_task_comm(bo->debugfs.creator.process_name, current->group_leader); > > mutex_lock(&pfdev->debugfs.gems_lock); > diff --git a/drivers/gpu/drm/panthor/panthor_gem.c b/drivers/gpu/drm/panthor/panthor_gem.c > index fbde78db270a..29cc57efc4b9 100644 > --- a/drivers/gpu/drm/panthor/panthor_gem.c > +++ b/drivers/gpu/drm/panthor/panthor_gem.c > @@ -27,7 +27,7 @@ static void panthor_gem_debugfs_bo_add(struct panthor_gem_object *bo) > struct panthor_device *ptdev = container_of(bo->base.base.dev, > struct panthor_device, base); > > - bo->debugfs.creator.tgid = current->group_leader->pid; > + bo->debugfs.creator.tgid = current->tgid; > get_task_comm(bo->debugfs.creator.process_name, current->group_leader); > > mutex_lock(&ptdev->gems.lock);