On 09/26, Liao, Chang wrote:
>
> 在 2024/9/23 18:52, Oleg Nesterov 写道:
> > On 09/23, Will Deacon wrote:
> >>
> >> However, we should use __GFP_ZERO anyway
> >> because I don't think it's a good idea to map an uninitialised page into
> >> userspace.
> >
> > Agreed, and imo this even needs a separate
Hi,
On 26-Sep-24 7:01 PM, Steven Rostedt wrote:
> From: Steven Rostedt
>
> At the 2024 Linux Plumbers Conference, I was talking with Hans de Goede
> about the persistent buffer to display traces from previous boots. He
> mentioned that UEFI can clear memory. In my own tests I have not seen
> thi
On Thu, Sep 26, 2024 at 7:44 PM Yafang Shao wrote:
>
> In kstrdup(), it is critical to ensure that the dest string is always
> NUL-terminated. However, potential race condidtion can occur between a
condition
> writer and a reader.
>
> Consider the following scenario involving task->comm:
>
>
From: Steven Rostedt
At the 2024 Linux Plumbers Conference, I was talking with Hans de Goede
about the persistent buffer to display traces from previous boots. He
mentioned that UEFI can clear memory. In my own tests I have not seen
this. He later informed me that it requires the config option:
Hi Jeff,
On 9/14/24 10:07 AM, Jeff Layton wrote:
> This is a fairly small update to the v7 set. It seems to pass all of my
> testing. Again, most of the changes are in the first two patches, but
> there are some differences in the patch that adds percpu counters as
> well.
>
> Since the report of
Commit e9a4062e1527 ("rtla: Add --trace-buffer-size option") adds a new
long option to rtla utilities, but among all affected files,
timerlat_hist misses a trailing `:` in the corresponding short option
inside the getopt string (e.g. `\3:`). This patch propagates the `:`.
Although this change is n
From: Markus Elfring
Date: Thu, 26 Sep 2024 16:22:32 +0200
A trace_probe_log_set_index(0) call was immediately used after a condition
check in this function implementation.
Thus call such a function only once instead directly before the check.
This issue was transformed by using the Coccinelle s
On Thu 2024-09-26 00:53:21, Steven Rostedt wrote:
> On Sat, 21 Sep 2024 23:39:17 -0700
> syzbot wrote:
>
> > Hello,
> >
> > syzbot found the following issue on:
> >
> > HEAD commit:a940d9a43e62 Merge tag 'soc-arm-6.12' of git://git.kernel...
> > git tree: upstream
> > console output:
Daniel, is unfortunately no longer the maintainer of this code:
https://lwn.net/Articles/979912/
I'll try to take a look at this next week.
Thanks,
-- Steve
On Tue, 24 Sep 2024 17:45:10 +0800
Wei Li wrote:
> These issues are found in concurrent CPU-hotplug and tracer-toggling
> testing,
Can one of the perf folks give me an Ack, and I'll take this through my tree.
-- Steve
On Fri, 13 Sep 2024 03:13:47 +0100
Levi Yun wrote:
> When a tracepoint event is created with attr.freq = 1,
> 'hwc->period_left' is not initialized correctly. As a result,
> in the perf_swevent_overflow() fu
在 2024/9/23 18:52, Oleg Nesterov 写道:
> On 09/23, Will Deacon wrote:
>>
>> However, we should use __GFP_ZERO anyway
>> because I don't think it's a good idea to map an uninitialised page into
>> userspace.
>
> Agreed, and imo this even needs a separate "fix info leak" patch.
Do you mean to fill
The types of mm flags are now far beyond the core dump related features.
This patch moves mm flags from linux/sched/coredump.h to linux/mm_types.h.
The linux/sched/coredump.h has include the mm_types.h, so the C files
related to coredump does not need to change head file inclusion.
In addition, the
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