From: Steven Rostedt <rostedt-nx8X9YLhiw1AfugRpC6u6w@public.gmane.org>
To: Vasily Averin <vvs-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
Cc: kernel test robot <lkp-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Ingo Molnar <mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
kbuild-all-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org,
Shakeel Butt <shakeelb-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
kernel-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Roman Gushchin
<roman.gushchin-fxUVXftIFDnyG1zEObXtfA@public.gmane.org>,
Vlastimil Babka <vbabka-AlSwsSmVLrQ@public.gmane.org>,
Michal Hocko <mhocko-IBi9RG/b67k@public.gmane.org>,
cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Andrew Morton
<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
Linux Memory Management List
<linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org>,
Dennis Zhou <dennis-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Christoph Lameter
<cl-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
Subject: Re: [PATCH] percpu: improve percpu_alloc_percpu event trace
Date: Mon, 9 May 2022 17:06:05 -0400 [thread overview]
Message-ID: <20220509170605.2eb7637e@gandalf.local.home> (raw)
In-Reply-To: <e1c09bbb-2c58-a986-c704-1db538da905a-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
On Sat, 7 May 2022 17:51:16 +0300
Vasily Averin <vvs-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org> wrote:
> The same messages are generated for any other gfp_t argument in trace events.
> As far as I understand it is not a bug per se,
> but trace macros lacks __force attribute in 'gfp_t'-> 'unsigned long' casts.
> The same thing happens with mode_t and with some other places using __print_flags()
> for __bitwise marked types.
I'm curious as to where the gfp_t to unsigned long is happening in the
macros?
-- Steve
WARNING: multiple messages have this Message-ID (diff)
From: Steven Rostedt <rostedt@goodmis.org>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH] percpu: improve percpu_alloc_percpu event trace
Date: Mon, 09 May 2022 17:06:05 -0400 [thread overview]
Message-ID: <20220509170605.2eb7637e@gandalf.local.home> (raw)
In-Reply-To: <e1c09bbb-2c58-a986-c704-1db538da905a@openvz.org>
[-- Attachment #1: Type: text/plain, Size: 498 bytes --]
On Sat, 7 May 2022 17:51:16 +0300
Vasily Averin <vvs@openvz.org> wrote:
> The same messages are generated for any other gfp_t argument in trace events.
> As far as I understand it is not a bug per se,
> but trace macros lacks __force attribute in 'gfp_t'-> 'unsigned long' casts.
> The same thing happens with mode_t and with some other places using __print_flags()
> for __bitwise marked types.
I'm curious as to where the gfp_t to unsigned long is happening in the
macros?
-- Steve
WARNING: multiple messages have this Message-ID (diff)
From: Steven Rostedt <rostedt@goodmis.org>
To: Vasily Averin <vvs@openvz.org>
Cc: kernel test robot <lkp@intel.com>, Ingo Molnar <mingo@redhat.com>,
kbuild-all@lists.01.org, Shakeel Butt <shakeelb@google.com>,
kernel@openvz.org, linux-kernel@vger.kernel.org,
Roman Gushchin <roman.gushchin@linux.dev>,
Vlastimil Babka <vbabka@suse.cz>, Michal Hocko <mhocko@suse.com>,
cgroups@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Linux Memory Management List <linux-mm@kvack.org>,
Dennis Zhou <dennis@kernel.org>, Tejun Heo <tj@kernel.org>,
Christoph Lameter <cl@linux-foundation.org>
Subject: Re: [PATCH] percpu: improve percpu_alloc_percpu event trace
Date: Mon, 9 May 2022 17:06:05 -0400 [thread overview]
Message-ID: <20220509170605.2eb7637e@gandalf.local.home> (raw)
In-Reply-To: <e1c09bbb-2c58-a986-c704-1db538da905a@openvz.org>
On Sat, 7 May 2022 17:51:16 +0300
Vasily Averin <vvs@openvz.org> wrote:
> The same messages are generated for any other gfp_t argument in trace events.
> As far as I understand it is not a bug per se,
> but trace macros lacks __force attribute in 'gfp_t'-> 'unsigned long' casts.
> The same thing happens with mode_t and with some other places using __print_flags()
> for __bitwise marked types.
I'm curious as to where the gfp_t to unsigned long is happening in the
macros?
-- Steve
next prev parent reply other threads:[~2022-05-09 21:06 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-06 4:46 [PATCH] percpu: improve percpu_alloc_percpu event trace Vasily Averin
2022-05-06 4:46 ` Vasily Averin
[not found] ` <8d627f02-183f-c4e7-7c15-77b2b438536b-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2022-05-06 7:52 ` Vasily Averin
2022-05-06 7:52 ` Vasily Averin
[not found] ` <2b388d09-940e-990f-1f8a-2fdaa9210fa0-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2022-05-06 19:29 ` [PATCH v2] " Vasily Averin
2022-05-06 19:29 ` Vasily Averin
[not found] ` <a07be858-c8a3-7851-9086-e3262cbcf707-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2022-05-11 2:33 ` Roman Gushchin
2022-05-11 2:33 ` Roman Gushchin
2022-05-11 5:11 ` Vasily Averin
2022-05-11 5:11 ` Vasily Averin
[not found] ` <30a47b4e-7c4b-cd2d-998d-cfaf8d12d342-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2022-05-11 17:30 ` Roman Gushchin
2022-05-11 17:30 ` Roman Gushchin
2022-05-15 22:06 ` Steven Rostedt
2022-05-06 20:38 ` [PATCH] " kernel test robot
2022-05-06 20:38 ` kernel test robot
[not found] ` <202205070420.aAhuqpYk-lkp-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2022-05-07 14:51 ` Vasily Averin
2022-05-07 14:51 ` Vasily Averin
2022-05-07 14:51 ` Vasily Averin
2022-05-07 19:02 ` [PATCH mm] tracing: incorrect gfp_t conversion Vasily Averin
2022-05-07 19:37 ` Andrew Morton
2022-05-07 22:28 ` Vasily Averin
2022-05-07 22:48 ` Andrew Morton
2022-05-07 23:00 ` Andrew Morton
2022-05-08 20:37 ` Matthew Wilcox
2022-05-08 20:51 ` Joe Perches
2022-05-11 7:20 ` [PATCH mm v2] " Vasily Averin
2022-05-15 22:09 ` Steven Rostedt
2022-05-16 20:55 ` Andrew Morton
[not found] ` <e1c09bbb-2c58-a986-c704-1db538da905a-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2022-05-09 21:06 ` Steven Rostedt [this message]
2022-05-09 21:06 ` [PATCH] percpu: improve percpu_alloc_percpu event trace Steven Rostedt
2022-05-09 21:06 ` Steven Rostedt
2022-05-10 4:22 ` Vasily Averin
2022-05-10 4:22 ` Vasily Averin
[not found] ` <6e68298c-7cdd-9984-215e-7e6fb3d03fe8-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2022-05-10 14:16 ` Steven Rostedt
2022-05-10 14:16 ` Steven Rostedt
2022-05-10 14:16 ` Steven Rostedt
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