On Thu, May 02, 2024 at 05:31:00PM -0400, Steven Rostedt wrote:
> On Wed, 1 May 2024 20:31:06 -0700
> "Paul E. McKenney" wrote:
>
> > On Thu, May 02, 2024 at 11:05:01AM +0900, Masami Hiramatsu wrote:
> > > On Wed, 1 May 2024 16:12:37 -0700
> > > "
On Thu, May 02, 2024 at 11:05:01AM +0900, Masami Hiramatsu wrote:
> On Wed, 1 May 2024 16:12:37 -0700
> "Paul E. McKenney" wrote:
>
> > Note that the immediate pressure for this patch should be relieved by the
> > NAPI patch series [1], but this sort of p
registration. Therefore, make the registration-side RCU Tasks
grace period be asynchronous via call_rcu_tasks().
[1] https://lore.kernel.org/all/cover.1710877680.git@cloudflare.com/
Reported-by: Jakub Kicinski
Reported-by: Alexei Starovoitov
Reported-by: Chris Mason
Signed-off-by: Paul E
etprobe (which rely on rethook) runtime throughput
> by 2.3%, according to BPF benchmarks ([0]).
>
> [0]
> https://lore.kernel.org/bpf/caef4bzauq2wkmjzdc9s0rbwa01bybgwhn6andxqshyia47p...@mail.gmail.com/
>
> Signed-off-by: Andrii Nakryiko
Acked-by: Paul E. McKenney
> ---
&g
l
drop them from -rcu.
Thanx, Paul
> On Mon, 8 Apr 2024 21:42:49 -0700
> "Paul E. McKenney" wrote:
>
> > Hello!
> >
> > This series removes redundant comments from /proc/bootconfig:
> >
> > 1. fs/p
...
Fixes: 717c7c894d4b ("fs/proc: Add boot loader arguments as comment to
/proc/bootconfig")
Signed-off-by: Zhenhua Huang
Signed-off-by: Paul E. McKenney
Cc:
Cc:
Acked-by: Masami Hiramatsu (Google)
---
fs/proc/bootconfig.c | 12 ++--
1 file changed, 6 insertions(+), 6 deletions
le. This will cause automation
to fall back to the /proc/cmdline file, which will be identical to the
comment in this no-embedded-kernel-parameters case.
Signed-off-by: Masami Hiramatsu
Signed-off-by: Paul E. McKenney
---
fs/proc/bootconfig.c | 2 +-
include/linux/bootconfig.h | 1 +
init/main.
Hello!
This series removes redundant comments from /proc/bootconfig:
1. fs/proc: remove redundant comments from /proc/bootconfig,
courtesy of Zhenhua Huang.
2. fs/proc: Skip bootloader comment if no embedded kernel parameters,
courtesy of Masami Hiramatsu.
On Tue, Apr 09, 2024 at 09:25:40AM +0900, Masami Hiramatsu wrote:
> On Mon, 8 Apr 2024 12:18:19 -0700
> "Paul E. McKenney" wrote:
>
> > On Sat, Apr 06, 2024 at 11:11:08AM +0900, Masami Hiramatsu wrote:
> > > On Thu, 4 Apr 2024 21:25:41 -0700
> > > "
On Sat, Apr 06, 2024 at 11:11:08AM +0900, Masami Hiramatsu wrote:
> On Thu, 4 Apr 2024 21:25:41 -0700
> "Paul E. McKenney" wrote:
>
> > On Fri, Apr 05, 2024 at 11:57:45AM +0900, Masami Hiramatsu wrote:
> > > On Fri, 5 Apr 2024 10:23:24 +0900
>
On Fri, Apr 05, 2024 at 11:57:45AM +0900, Masami Hiramatsu wrote:
> On Fri, 5 Apr 2024 10:23:24 +0900
> Masami Hiramatsu (Google) wrote:
>
> > On Thu, 4 Apr 2024 10:43:14 -0700
> > "Paul E. McKenney" wrote:
> >
> > > On Thu, Apr 04, 20
On Thu, Apr 04, 2024 at 08:55:22AM +0900, Masami Hiramatsu wrote:
> On Wed, 3 Apr 2024 12:16:28 -0700
> "Paul E. McKenney" wrote:
>
> > commit 717c7c894d4b ("fs/proc: Add boot loader arguments as comment to
> > /proc/bootconfig") adds bootloade
On Wed, Apr 03, 2024 at 03:29:12PM -0400, Steven Rostedt wrote:
> On Wed, 3 Apr 2024 11:53:14 -0700
> "Paul E. McKenney" wrote:
>
> > @@ -5366,6 +5366,13 @@ static void remove_direct_functions_hash(struct
> > ftrace_hash *hash, unsigned long
> >
ot;fs/proc: Add boot loader arguments as comment to
/proc/bootconfig")
Signed-off-by: Zhenhua Huang
Signed-off-by: Paul E. McKenney
Cc: Masami Hiramatsu
Cc:
Cc:
diff --git a/fs/proc/bootconfig.c b/fs/proc/bootconfig.c
index 902b326e1e560..e5635a6b127b0 100644
--- a/fs/proc/bootco
, significantly slowing
trace registration. Therefore, make the registration-side RCU Tasks
grace period be asynchronous via call_rcu_tasks().
Reported-by: Jakub Kicinski
Reported-by: Alexei Starovoitov
Reported-by: Chris Mason
Signed-off-by: Paul E. McKenney
Cc: Steven Rostedt
Cc: Masami
On Fri, Mar 01, 2024 at 03:30:01PM -0500, Steven Rostedt wrote:
> On Fri, 1 Mar 2024 12:25:10 -0800
> "Paul E. McKenney" wrote:
>
> > > That would work for me. If there are no objections, I will make this
> > > change.
> >
> > But I di
On Wed, Feb 28, 2024 at 01:16:04PM -0800, Paul E. McKenney wrote:
> On Wed, Feb 28, 2024 at 03:22:36PM -0500, Steven Rostedt wrote:
> > On Wed, 28 Feb 2024 11:38:29 -0800
> > "Paul E. McKenney" wrote:
> >
> > > The advent of CONFIG_PREEMPT_AUTO, AKA la
On Wed, Feb 28, 2024 at 03:22:36PM -0500, Steven Rostedt wrote:
> On Wed, 28 Feb 2024 11:38:29 -0800
> "Paul E. McKenney" wrote:
>
> > The advent of CONFIG_PREEMPT_AUTO, AKA lazy preemption, will mean that
> > even kernels built with CONFIG_PREEMPT_NONE or CONFIG_
synchronize_rcu_tasks()
based on CONFIG_TASKS_RCU instead of CONFIG_PREEMPTION.
Only build tested.
Signed-off-by: Paul E. McKenney
Cc: Steven Rostedt
Cc: Masami Hiramatsu
Cc: Mark Rutland
Cc: Mathieu Desnoyers
Cc: Ankur Arora
Cc: Thomas Gleixner
Cc:
diff --git a/kernel/trace/ftrace.c b/kernel
; someone to search for exactly where the bug happened.
>
> Reported-by: Borislav Petkov
> Signed-off-by: Steven Rostedt (Google)
Reviewed-by: Paul E. McKenney
> ---
> include/linux/tracepoint.h | 6 --
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff
On Mon, Jan 29, 2024 at 08:58:10AM +0800, Yang Jihong wrote:
> Hello,
>
> On 2024/1/28 3:22, Paul E. McKenney wrote:
> > On Tue, Jan 09, 2024 at 07:28:29PM +0800, Yang Jihong wrote:
> > > Hello,
> > >
> > > PING.
> > >
> > > I had
On Sat, Jan 27, 2024 at 06:09:05PM +0800, Chen Zhongjin wrote:
> On 2024/1/20 23:30, Paul E. McKenney wrote:
(Apologies for the delay, despite my attempts to make it otherwise,
your email still got dumped into my spam folder.)
> Hi Paul,
> This patch works for my reproduce test case.
l, this is transparently converted
> > * to synchronoze_sched() to wait for all interrupts to have completed.
> > */
> > - synchronize_rcu_tasks();
> > + synchronize_rcu_tasks_rude();
> > /* Step 3: Optimize kprobes after quiesence period */
>
On Fri, Jan 19, 2024 at 06:37:26AM -0800, Paul E. McKenney wrote:
> On Thu, Jan 18, 2024 at 02:18:42AM +, Chen Zhongjin wrote:
> > There is a deadlock scenario in kprobe_optimizer():
> >
> > pid A pid B pid C
On Thu, Jan 18, 2024 at 02:18:42AM +, Chen Zhongjin wrote:
> There is a deadlock scenario in kprobe_optimizer():
>
> pid A pid B pid C
> kprobe_optimizer()do_exit() perf_kprobe_init()
> mutex_lock(_mutex)
On Thu, Jan 18, 2024 at 06:44:54AM -0800, Paul E. McKenney wrote:
> On Wed, Jan 17, 2024 at 09:26:46PM -0500, Steven Rostedt wrote:
> > On Thu, 18 Jan 2024 02:18:42 +
> > Chen Zhongjin wrote:
> >
> > > There is a deadlock scenario in kprobe
On Wed, Jan 17, 2024 at 09:26:46PM -0500, Steven Rostedt wrote:
> On Thu, 18 Jan 2024 02:18:42 +
> Chen Zhongjin wrote:
>
> > There is a deadlock scenario in kprobe_optimizer():
> >
> > pid A pid B pid C
> > kprobe_optimizer()
On Wed, Jan 17, 2024 at 12:31:33PM -0800, Andrew Morton wrote:
> On Wed, 17 Jan 2024 06:16:36 + Chen Zhongjin
> wrote:
>
> > There is a deadlock scenario in kprobe_optimizer():
> >
> > pid A pid B pid C
> > kprobe_optimizer()
Good catch, and what I get for testing with only a single bootconfig
parameter. :-/
Reviewed-by: Paul E. McKenney
Tested-by: Paul E. McKenney
> ---
> fs/proc/bootconfig.c | 12 ++--
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/fs/proc/bootconfig.c b/
Now that the SRCU Kconfig option is unconditionally selected, there is
no longer any point in selecting it. Therefore, remove the "select SRCU"
Kconfig statements.
Signed-off-by: Paul E. McKenney
Cc: Dan Williams
Cc: Vishal Verma
Cc: Dave Jiang
Cc:
Acked-by: Dan Williams
Reviewe
On Thu, Jan 05, 2023 at 08:48:28AM -0800, Dan Williams wrote:
> Paul E. McKenney wrote:
> > Now that the SRCU Kconfig option is unconditionally selected, there is
> > no longer any point in selecting it. Therefore, remove the "select SRCU"
> > Kconfig statements.
Now that the SRCU Kconfig option is unconditionally selected, there is
no longer any point in selecting it. Therefore, remove the "select SRCU"
Kconfig statements.
Signed-off-by: Paul E. McKenney
Cc: Dan Williams
Cc: Vishal Verma
Cc: Dave Jiang
Cc:
---
drivers/dax/Kconfig | 1
On Tue, Apr 20, 2021 at 02:56:30PM +0800, kernel test robot wrote:
> Hi Paul,
>
> FYI, the error/warning still remains.
>
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> master
> head: 7af08140979a6e7e12b78c93b8625c8d25b084e2
> commit:
On Mon, Apr 19, 2021 at 01:35:56PM -0700, Nick Desaulniers wrote:
> On Fri, Apr 16, 2021 at 11:47 AM Paul E. McKenney wrote:
> >
> > On Thu, Apr 15, 2021 at 11:04:37PM -0700, Nick Desaulniers wrote:
> > > On Thu, Apr 15, 2021 at 9:27 PM Boqun Feng wrote:
> > &g
On Mon, Apr 19, 2021 at 02:23:45AM +0200, Frederic Weisbecker wrote:
> On Sat, Apr 17, 2021 at 09:46:16PM -0700, Paul E. McKenney wrote:
> > On Sat, Apr 17, 2021 at 03:16:49PM +0200, Frederic Weisbecker wrote:
> > > On Wed, Apr 14, 2021 at 08:55:38AM -0700, Paul E. McKenney wro
. ]
[ paulmck: Don't reset injectfail per Neeraj Upadhyay feedback. ]
[ paulmck: Apply Thomas Gleixner feedback. ]
Signed-off-by: Paul E. McKenney
---
.../admin-guide/kernel-parameters.txt | 6 +++
kernel/time/clocksource.c | 53 ---
2 files changed, 52
will be checked at most once.
Suggested-by: Thomas Gleixner # For verify_n_cpus=1.
Cc: John Stultz
Cc: Thomas Gleixner
Cc: Stephen Boyd
Cc: Jonathan Corbet
Cc: Mark Rutland
Cc: Marc Zyngier
Cc: Andi Kleen
Signed-off-by: Paul E. McKenney
---
.../admin-guide/kernel-parameters.txt | 10
from the current 62.5 milliseconds
down to 200 microseconds.
Suggested-by: Thomas Gleixner
Cc: John Stultz
Cc: Stephen Boyd
Cc: Jonathan Corbet
Cc: Mark Rutland
Cc: Marc Zyngier
Cc: Andi Kleen
[ paulmck: Apply Rik van Riel feedback. ]
Reported-by: Chris Mason
Signed-off-by: Paul E. McKenney
Stultz
Cc: Thomas Gleixner
Cc: Stephen Boyd
Cc: Jonathan Corbet
Cc: Mark Rutland
Cc: Marc Zyngier
Cc: Andi Kleen
Reported-by: Chris Mason
[ paulmck: Apply Randy Dunlap feedback. ]
Signed-off-by: Paul E. McKenney
---
Documentation/admin-guide/kernel-parameters.txt | 16
kernel
Andi Kleen
Reported-by: Chris Mason
[ paulmck: Add "static" to clocksource_verify_one_cpu() per kernel test robot
feedback. ]
[ paulmck: Apply Thomas Gleixner feedback. ]
Signed-off-by: Paul E. McKenney
---
arch/x86/kernel/tsc.c | 3 +-
include/linux/clocksource.h | 2 +-
kerne
feedback. ]
Reported-by: Chris Mason
Signed-off-by: Paul E. McKenney
---
.../admin-guide/kernel-parameters.txt | 16 +
kernel/time/clocksource.c | 23 +++
2 files changed, 39 insertions(+)
diff --git a/Documentation/admin-guide/kernel
Hello!
If there is a sufficient delay between reading the watchdog clock and the
clock under test, the clock under test will be marked unstable through no
fault of its own. This series checks for this, doing limited retries
to get a good set of clock reads. If the clock is marked unstable
and
On Sat, Apr 17, 2021 at 04:51:36PM -0700, Paul E. McKenney wrote:
> On Sat, Apr 17, 2021 at 02:47:18PM +0200, Thomas Gleixner wrote:
[ . . . ]
> > > + delta = (s64)((csnow_mid - csnow_begin) & cs->mask);
> > > + if (delta < 0)
> > > +
On Sat, Apr 17, 2021 at 03:16:49PM +0200, Frederic Weisbecker wrote:
> On Wed, Apr 14, 2021 at 08:55:38AM -0700, Paul E. McKenney wrote:
> > > diff --git a/kernel/rcu/rcu.h b/kernel/rcu/rcu.h
> > > index 75ed367d5b60..24db97cbf76b 100644
> > > --- a/kernel/rcu/rcu.
On Sat, Apr 17, 2021 at 02:47:18PM +0200, Thomas Gleixner wrote:
> On Tue, Apr 13 2021 at 21:36, Paul E. McKenney wrote:
>
> Bah, hit send too quick.
>
> > + cpumask_clear(_ahead);
> > + cpumask_clear(_behind);
> > + preempt_disable();
>
> Daft.
Wou
On Sat, Apr 17, 2021 at 02:28:22PM +0200, Thomas Gleixner wrote:
> On Tue, Apr 13 2021 at 21:36, Paul E. McKenney wrote:
> > diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
> > index 1fc0962c89c0..97eeaf164296 100644
> > --- a/arch/x86/kernel/kvmclock
On Sun, Apr 18, 2021 at 01:15:26AM +0200, Thomas Gleixner wrote:
> On Sat, Apr 17 2021 at 15:54, Paul E. McKenney wrote:
> > On Sat, Apr 17, 2021 at 02:24:23PM +0200, Thomas Gleixner wrote:
> >> I so wish we could just delete all of this horror instead of making it
On Sat, Apr 17, 2021 at 02:24:23PM +0200, Thomas Gleixner wrote:
> On Tue, Apr 13 2021 at 21:35, Paul E. McKenney wrote:
> > #define WATCHDOG_INTERVAL (HZ >> 1)
> > #define WATCHDOG_THRESHOLD (NSEC_PER_SEC >> 4)
> > +#define WATCHDOG_MAX_SKEW (NSEC_PER_SEC >&
On Fri, Apr 16, 2021 at 10:45:28PM +0200, Thomas Gleixner wrote:
> On Tue, Apr 13 2021 at 21:35, Paul E. McKenney wrote:
> > #define WATCHDOG_INTERVAL (HZ >> 1)
> > #define WATCHDOG_THRESHOLD (NSEC_PER_SEC >> 4)
>
> Didn't we discuss that the threshold is too
On Fri, Apr 16, 2021 at 10:10:51PM +0200, Thomas Gleixner wrote:
> On Tue, Apr 13 2021 at 21:35, Paul E. McKenney wrote:
> >
> > +static int inject_delay_freq;
> > +module_param(inject_delay_freq, int, 0644);
> > +static int inject_delay_run = 1;
> > +module_
On Fri, Apr 16, 2021 at 03:30:53PM -0400, Mathieu Desnoyers wrote:
> - On Apr 16, 2021, at 3:02 PM, paulmck paul...@kernel.org wrote:
> [...]
> >
> > If it can be done reasonably, I suggest also having some way for the
> > person building userspace RCU to say "I know what I am doing, so do
>
On Fri, Apr 16, 2021 at 02:40:08PM -0400, Mathieu Desnoyers wrote:
> - On Apr 16, 2021, at 12:01 PM, paulmck paul...@kernel.org wrote:
>
> > On Fri, Apr 16, 2021 at 05:17:11PM +0200, Peter Zijlstra wrote:
> >> On Fri, Apr 16, 2021 at 10:52:16AM -0400, Mathieu Desnoyers wrote:
> >> > Hi Paul,
On Thu, Apr 15, 2021 at 11:04:37PM -0700, Nick Desaulniers wrote:
> On Thu, Apr 15, 2021 at 9:27 PM Boqun Feng wrote:
> >
> > [Copy LKMM people, Josh, Nick and Wedson]
> >
> > On Thu, Apr 15, 2021 at 08:58:16PM +0200, Peter Zijlstra wrote:
> > > On Wed, Apr 14, 2021 at 08:45:51PM +0200,
On Fri, Apr 16, 2021 at 06:51:10PM +0800, Xu, Yanfei wrote:
>
>
> On 4/16/21 1:07 AM, Paul E. McKenney wrote:
> > [Please note: This e-mail is from an EXTERNAL e-mail address]
> >
> > On Fri, Apr 16, 2021 at 12:18:42AM +0800, Xu, Yanfei wrote:
> > >
>
On Fri, Apr 16, 2021 at 05:17:11PM +0200, Peter Zijlstra wrote:
> On Fri, Apr 16, 2021 at 10:52:16AM -0400, Mathieu Desnoyers wrote:
> > Hi Paul, Will, Peter,
> >
> > I noticed in this discussion https://lkml.org/lkml/2021/4/16/118 that LTO
> > is able to break rcu_dereference. This seems to be
he percpu pointer.
>
> Signed-off-by: "Huang, Ying"
> Cc: Tejun Heo
> Cc: Kent Overstreet
> Cc: "Paul E. McKenney"
> Cc: Roman Gushchin
> Cc: Ming Lei
> Cc: Al Viro
> Cc: Miaohe Lin
> ---
> include/linux/percpu-refcount.h | 17 ++
On Thu, Apr 15, 2021 at 07:19:55PM +0200, Uladzislau Rezki (Sony) wrote:
> This is a v2 of a small series. See the changelog below:
>
> V1 -> V2:
> - document the rcu_delay_page_cache_fill_msec parameter;
> - drop the "kvfree_rcu: introduce "flags" variable" patch;
> - reword commit messages;
> -
On Fri, Apr 16, 2021 at 01:01:17AM +0800, Xu, Yanfei wrote:
>
>
> On 4/16/21 12:18 AM, Xu, Yanfei wrote:
> >
> >
> > On 4/15/21 11:43 PM, Paul E. McKenney wrote:
> > > [Please note: This e-mail is from an EXTERNAL e-mail address]
> > >
>
On Fri, Apr 16, 2021 at 12:18:42AM +0800, Xu, Yanfei wrote:
>
>
> On 4/15/21 11:43 PM, Paul E. McKenney wrote:
> > [Please note: This e-mail is from an EXTERNAL e-mail address]
> >
> > On Thu, Apr 15, 2021 at 11:04:05PM +0800, Xu, Yanfei wrote:
> > > Hi exp
On Thu, Apr 15, 2021 at 11:04:05PM +0800, Xu, Yanfei wrote:
> Hi experts,
>
> I am learning rcu mechanism and its codes. When looking at the
> rcu_blocking_is_gp(), I found there is a pair preemption disable/enable
> operation in non-preemption code path. And it has been a long time. I can't
>
On Thu, Apr 15, 2021 at 01:54:18AM +0200, Thomas Gleixner wrote:
> Paul,
>
> On Wed, Apr 14 2021 at 11:11, Paul E. McKenney wrote:
> > On Wed, Apr 14, 2021 at 10:57:57AM +0200, Uladzislau Rezki wrote:
> >> On Wed, Apr 14, 2021 at 09:13:22AM +0200, Sebastian Andrzej Siewior
On Wed, Feb 17, 2021 at 08:43:59PM +0100, Sebastian Andrzej Siewior wrote:
> On 2021-02-17 11:19:07 [-0800], Paul E. McKenney wrote:
> > > Ah. One nice thing is that you can move the RCU threads to a house
> > > keeping CPU - away from the CPU(s) running the RT tasks. Woul
On Wed, Apr 14, 2021 at 10:57:57AM +0200, Uladzislau Rezki wrote:
> On Wed, Apr 14, 2021 at 09:13:22AM +0200, Sebastian Andrzej Siewior wrote:
> > On 2021-04-12 11:36:45 [-0700], Paul E. McKenney wrote:
> > > > Color me confused. I did not follow the discussion around th
On Wed, Apr 14, 2021 at 03:24:13PM +0200, Frederic Weisbecker wrote:
> Test an early call to start_poll_synchronize_srcu() and place it before
> the early test to call_srcu() on the same ssp.
>
> After the later call to srcu_barrier(), we expect the first grace period
> completion to be visible
n ssp that gets initialized before rcu_init_geometry() and used
>afterward will always have stale rdp->mynode references, resulting in
>callbacks to be missed in srcu_gp_end(), just like in the previous
>scenario.
>
> Solve this with calling rcu_init_geometry() whenever
On Tue, Apr 13, 2021 at 10:49:11PM +0200, Thomas Gleixner wrote:
> Paul,
>
> On Mon, Apr 12 2021 at 16:18, Paul E. McKenney wrote:
> > On Mon, Apr 12, 2021 at 10:37:10PM +0200, Thomas Gleixner wrote:
> >> On Mon, Apr 12 2021 at 12:57, Paul E. McKenney wrote:
> >>
Andi Kleen
Reported-by: Chris Mason
[ paulmck: Add "static" to clocksource_verify_one_cpu() per kernel test robot
feedback. ]
[ paulmck: Apply Thomas Gleixner feedback. ]
Signed-off-by: Paul E. McKenney
---
arch/x86/kernel/kvmclock.c | 2 +-
arch/x86/kernel/tsc.c | 3 +-
include
Gleixner feedback. ]
Signed-off-by: Paul E. McKenney
---
kernel/time/clocksource.c | 24
1 file changed, 20 insertions(+), 4 deletions(-)
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 4be4391aa72f..3ac19a7859f5 100644
--- a/kernel/time/clocksource.c
-by: Paul E. McKenney
---
.../admin-guide/kernel-parameters.txt | 22 +++
kernel/time/clocksource.c | 27 +++
2 files changed, 49 insertions(+)
diff --git a/Documentation/admin-guide/kernel-parameters.txt
b/Documentation/admin-guide/kernel
will be checked at most once.
Suggested-by: Thomas Gleixner # For verify_n_cpus=1.
Cc: John Stultz
Cc: Thomas Gleixner
Cc: Stephen Boyd
Cc: Jonathan Corbet
Cc: Mark Rutland
Cc: Marc Zyngier
Cc: Andi Kleen
Signed-off-by: Paul E. McKenney
---
.../admin-guide/kernel-parameters.txt | 10
Stultz
Cc: Thomas Gleixner
Cc: Stephen Boyd
Cc: Jonathan Corbet
Cc: Mark Rutland
Cc: Marc Zyngier
Cc: Andi Kleen
Reported-by: Chris Mason
[ paulmck: Apply Randy Dunlap feedback. ]
Signed-off-by: Paul E. McKenney
---
Documentation/admin-guide/kernel-parameters.txt | 16
kernel
Hello!
If there is a sufficient delay between reading the watchdog clock and the
clock under test, the clock under test will be marked unstable through no
fault of its own. This series checks for this, doing limited retries
to get a good set of clock reads. If the clock is marked unstable
and
On Mon, Apr 12, 2021 at 10:37:10PM +0200, Thomas Gleixner wrote:
> On Mon, Apr 12 2021 at 12:57, Paul E. McKenney wrote:
> > On Mon, Apr 12, 2021 at 08:54:03PM +0200, Thomas Gleixner wrote:
> >> > I will send a new series out later today, Pacific Time.
> >>
> &
On Mon, Apr 12, 2021 at 08:54:03PM +0200, Thomas Gleixner wrote:
> Paul,
>
> On Mon, Apr 12 2021 at 11:20, Paul E. McKenney wrote:
> > On Mon, Apr 12, 2021 at 03:08:16PM +0200, Thomas Gleixner wrote:
> >> The reason for irqsave is again historical AFAICT and nobody both
> > https://git.kernel.org/tip/1c0c4bc1ceb580851b2d76fdef9712b3bdae134b
> > Author:Paul E. McKenney
> > AuthorDate:Fri, 12 Feb 2021 16:20:40 -08:00
> > Committer: Paul E. McKenney
> > CommitterDate: Mon, 15 Mar 2021 13:51:48 -07:00
> >
>
On Mon, Apr 12, 2021 at 03:08:16PM +0200, Thomas Gleixner wrote:
> On Sun, Apr 11 2021 at 21:21, Paul E. McKenney wrote:
> > On Sun, Apr 11, 2021 at 09:46:12AM -0700, Paul E. McKenney wrote:
> >> So I need to is inline clocksource_verify_percpu_wq()
> >> int
On Sun, Apr 11, 2021 at 09:46:12AM -0700, Paul E. McKenney wrote:
> On Sun, Apr 11, 2021 at 12:33:44PM +0200, Thomas Gleixner wrote:
> > On Sat, Apr 10 2021 at 17:20, Paul E. McKenney wrote:
> > > On Sat, Apr 10, 2021 at 11:00:25AM +0200, Thomas Gleixner wrote:
> > >>
On Sun, Apr 11, 2021 at 12:58:31PM +0200, Thomas Gleixner wrote:
> On Sat, Apr 10 2021 at 16:26, Paul E. McKenney wrote:
> > On Sat, Apr 10, 2021 at 10:01:58AM +0200, Thomas Gleixner wrote:
> >> On Fri, Apr 02 2021 at 15:48, Paul E. McKenney wrote:
> >> I buy the v
On Sun, Apr 11, 2021 at 12:33:44PM +0200, Thomas Gleixner wrote:
> On Sat, Apr 10 2021 at 17:20, Paul E. McKenney wrote:
> > On Sat, Apr 10, 2021 at 11:00:25AM +0200, Thomas Gleixner wrote:
> >> > +if (WARN_ON_ONCE(!cs))
> >> > +return;
The following commit has been merged into the core/rcu branch of tip:
Commit-ID: c71c39b344f7eec9d4492913f22126b03bb7b746
Gitweb:
https://git.kernel.org/tip/c71c39b344f7eec9d4492913f22126b03bb7b746
Author:Paul E. McKenney
AuthorDate:Thu, 21 Jan 2021 15:56:53 -08:00
The following commit has been merged into the locking/core branch of tip:
Commit-ID: 49ab51b01ec6fd837ae3efe2e0cdb41fcf5cf048
Gitweb:
https://git.kernel.org/tip/49ab51b01ec6fd837ae3efe2e0cdb41fcf5cf048
Author:Paul E. McKenney
AuthorDate:Thu, 11 Feb 2021 15:40:05 -08:00
The following commit has been merged into the core/rcu branch of tip:
Commit-ID: b01b405092b7940bd366053a27ed54a87c84e96a
Gitweb:
https://git.kernel.org/tip/b01b405092b7940bd366053a27ed54a87c84e96a
Author:Paul E. McKenney
AuthorDate:Wed, 20 Jan 2021 17:21:47 +01:00
The following commit has been merged into the core/rcu branch of tip:
Commit-ID: 7ffc9ec8eac196cbd85669a4d7920cd80f186a51
Gitweb:
https://git.kernel.org/tip/7ffc9ec8eac196cbd85669a4d7920cd80f186a51
Author:Paul E. McKenney
AuthorDate:Wed, 20 Jan 2021 13:38:08 -08:00
The following commit has been merged into the core/rcu branch of tip:
Commit-ID: 7e937220afa3eada0d4611b31e4e3c60770e39b4
Gitweb:
https://git.kernel.org/tip/7e937220afa3eada0d4611b31e4e3c60770e39b4
Author:Paul E. McKenney
AuthorDate:Fri, 26 Feb 2021 11:25:29 -08:00
The following commit has been merged into the core/rcu branch of tip:
Commit-ID: e589c7c72315f7e52ebb5cffc19615dc18d0cc50
Gitweb:
https://git.kernel.org/tip/e589c7c72315f7e52ebb5cffc19615dc18d0cc50
Author:Paul E. McKenney
AuthorDate:Tue, 23 Feb 2021 10:07:09 -08:00
The following commit has been merged into the core/rcu branch of tip:
Commit-ID: 5bb1bb353cfe343fc3c84faf06f72ba309fde541
Gitweb:
https://git.kernel.org/tip/5bb1bb353cfe343fc3c84faf06f72ba309fde541
Author:Paul E. McKenney
AuthorDate:Thu, 07 Jan 2021 13:46:11 -08:00
The following commit has been merged into the core/rcu branch of tip:
Commit-ID: 0d3dd2c8eadb7d4404b8788f552fb2b824fe2c7e
Gitweb:
https://git.kernel.org/tip/0d3dd2c8eadb7d4404b8788f552fb2b824fe2c7e
Author:Paul E. McKenney
AuthorDate:Mon, 07 Dec 2020 21:23:36 -08:00
The following commit has been merged into the core/rcu branch of tip:
Commit-ID: 39bbfc62cc90d33f8f5f940464d08075e0275f8a
Gitweb:
https://git.kernel.org/tip/39bbfc62cc90d33f8f5f940464d08075e0275f8a
Author:Paul E. McKenney
AuthorDate:Thu, 14 Jan 2021 10:39:31 -08:00
The following commit has been merged into the core/rcu branch of tip:
Commit-ID: 5e59fba573e64cffc3a7a3113fff2336d652f45a
Gitweb:
https://git.kernel.org/tip/5e59fba573e64cffc3a7a3113fff2336d652f45a
Author:Paul E. McKenney
AuthorDate:Fri, 15 Jan 2021 13:30:38 -08:00
The following commit has been merged into the core/rcu branch of tip:
Commit-ID: a519d21480d330918bd522499a323432c31b6ec2
Gitweb:
https://git.kernel.org/tip/a519d21480d330918bd522499a323432c31b6ec2
Author:Paul E. McKenney
AuthorDate:Tue, 05 Jan 2021 10:50:32 -08:00
The following commit has been merged into the core/rcu branch of tip:
Commit-ID: 7308e0240410d3644c9d7cc6263079a58e3effeb
Gitweb:
https://git.kernel.org/tip/7308e0240410d3644c9d7cc6263079a58e3effeb
Author:Paul E. McKenney
AuthorDate:Wed, 27 Jan 2021 13:57:16 -08:00
The following commit has been merged into the core/rcu branch of tip:
Commit-ID: 8126c57f00cea3502a017b7c76df1fac58f89e88
Gitweb:
https://git.kernel.org/tip/8126c57f00cea3502a017b7c76df1fac58f89e88
Author:Paul E. McKenney
AuthorDate:Wed, 10 Feb 2021 13:25:58 -08:00
The following commit has been merged into the core/rcu branch of tip:
Commit-ID: e2b949d54392ad890bb10fb8954d967e2fcd7503
Gitweb:
https://git.kernel.org/tip/e2b949d54392ad890bb10fb8954d967e2fcd7503
Author:Paul E. McKenney
AuthorDate:Thu, 14 Jan 2021 16:11:04 -08:00
The following commit has been merged into the core/rcu branch of tip:
Commit-ID: 3d4977b68101b38c3f9d3be3d89e17ef1fdfc1d3
Gitweb:
https://git.kernel.org/tip/3d4977b68101b38c3f9d3be3d89e17ef1fdfc1d3
Author:Paul E. McKenney
AuthorDate:Thu, 28 Jan 2021 16:38:19 -08:00
The following commit has been merged into the core/rcu branch of tip:
Commit-ID: a434dd10cd843c7348e7c54c77eb0fac27beceb4
Gitweb:
https://git.kernel.org/tip/a434dd10cd843c7348e7c54c77eb0fac27beceb4
Author:Paul E. McKenney
AuthorDate:Thu, 25 Feb 2021 10:26:00 -08:00
The following commit has been merged into the core/rcu branch of tip:
Commit-ID: 1f922db8eef015f261480347aaf79fa9a25728f2
Gitweb:
https://git.kernel.org/tip/1f922db8eef015f261480347aaf79fa9a25728f2
Author:Paul E. McKenney
AuthorDate:Thu, 11 Feb 2021 10:56:42 -08:00
The following commit has been merged into the core/rcu branch of tip:
Commit-ID: a8dafbf3a5465bea6d9b45a4f011ba9b56d8b267
Gitweb:
https://git.kernel.org/tip/a8dafbf3a5465bea6d9b45a4f011ba9b56d8b267
Author:Paul E. McKenney
AuthorDate:Wed, 03 Feb 2021 15:44:29 -08:00
The following commit has been merged into the core/rcu branch of tip:
Commit-ID: aebf8c7bf6d508dfb4255db8f7355ca819d9e6c9
Gitweb:
https://git.kernel.org/tip/aebf8c7bf6d508dfb4255db8f7355ca819d9e6c9
Author:Paul E. McKenney
AuthorDate:Thu, 28 Jan 2021 10:17:26 -08:00
The following commit has been merged into the core/rcu branch of tip:
Commit-ID: 4cd54518c3d8afadd11ebd6ad4f03b00859f5e85
Gitweb:
https://git.kernel.org/tip/4cd54518c3d8afadd11ebd6ad4f03b00859f5e85
Author:Paul E. McKenney
AuthorDate:Thu, 11 Feb 2021 11:54:43 -08:00
The following commit has been merged into the core/rcu branch of tip:
Commit-ID: b674100e630bf9211d7edce06b5d734b125a74ee
Gitweb:
https://git.kernel.org/tip/b674100e630bf9211d7edce06b5d734b125a74ee
Author:Paul E. McKenney
AuthorDate:Wed, 10 Feb 2021 16:28:44 -08:00
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