Re: [PATCH] memory-barriers.txt: Sort wait_event* and wait_on_bit* list alphabetically
"Paul E. McKenney" <[email protected]> Wed, 5 Nov 2025 10:19:58 -0800
| Newsgroups | dev.linux.lists.lkmm |
|---|---|
| Message-ID | <f7314b55-a38f-42ba-865c-4a73c52bcea5@paulmck-laptop> |
On Wed, Nov 05, 2025 at 08:48:05AM +0000, Haakon Bugge wrote: > Hi Akira-san, > > > On 5 Nov 2025, at 04:17, Akira Yokosawa <[email protected]> wrote: > > > > Commit 88172700423c ("docs/memory-barriers.txt: Add wait_event_cmd() > > and wait_event_exclusive_cmd()") added two APIs without taking care > > of the list order. Sort the list for readability. > > > > While there, make it clear that this is incomplete by saying > > "for example". > > > > Signed-off-by: Akira Yokosawa <[email protected]> > > LGTM, so: > > Reviewed-by: Håkon Bugge <[email protected]> Queued, maybe even for the upcoming merge window, thank you both! Thanx, Paul > Thxs, Håkon > > > > --- > > Hi Paul, > > > > Looks like there is no pending change for v6.19 in LKMM. > > > > I think this minor tweak is worth having, if it is not too late. > > > > Thanks, Akira > > -- > > Documentation/memory-barriers.txt | 6 +++--- > > 1 file changed, 3 insertions(+), 3 deletions(-) > > > > diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt > > index 1d164e005776..61b7317bcf2e 100644 > > --- a/Documentation/memory-barriers.txt > > +++ b/Documentation/memory-barriers.txt > > @@ -2182,9 +2182,11 @@ set_current_state() may be wrapped by: > > > > which therefore also imply a general memory barrier after setting the state. > > The whole sequence above is available in various canned forms, all of which > > -interpolate the memory barrier in the right place: > > +interpolate the memory barrier in the right place, for example: > > > > wait_event(); > > + wait_event_cmd(); > > + wait_event_exclusive_cmd(); > > wait_event_interruptible(); > > wait_event_interruptible_exclusive(); > > wait_event_interruptible_timeout(); > > @@ -2192,8 +2194,6 @@ interpolate the memory barrier in the right place: > > wait_event_timeout(); > > wait_on_bit(); > > wait_on_bit_lock(); > > - wait_event_cmd(); > > - wait_event_exclusive_cmd(); > > > > > > Secondly, code that performs a wake up normally follows something like this: > > > > base-commit: 4356abc63687c65a86ab709db96470540441e822 > > -- > > 2.43.0 > > >