From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
To: stefan.wahren@i2se.com, eric@anholt.net, dave.stevenson@raspberrypi.org
Cc: linux-rpi-kernel@lists.infradead.org, gregkh@linuxfoundation.org,
linux-arm-kernel@lists.infradead.org, devel@driverdev.osuosl.org,
linux-kernel@vger.kernel.org,
Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Subject: [PATCH 10/16] staging: vchiq_core: don't add a wmb() before remote_event_signal()
Date: Tue, 20 Nov 2018 15:53:45 +0100 [thread overview]
Message-ID: <20181120145351.30390-11-nsaenzjulienne@suse.de> (raw)
In-Reply-To: <20181120145351.30390-1-nsaenzjulienne@suse.de>
It's the first thing remote_event_signal() does.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
---
.../staging/vc04_services/interface/vchiq_arm/vchiq_core.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
index 8b23ea5322e8..5791c2b670fa 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
@@ -1137,9 +1137,6 @@ queue_message_sync(VCHIQ_STATE_T *state, VCHIQ_SERVICE_T *service,
size);
}
- /* Make sure the new header is visible to the peer. */
- wmb();
-
remote_event_signal(&state->remote->sync_trigger);
if (VCHIQ_MSG_TYPE(msgid) != VCHIQ_MSG_PAUSE)
@@ -3269,7 +3266,6 @@ static void
release_message_sync(VCHIQ_STATE_T *state, VCHIQ_HEADER_T *header)
{
header->msgid = VCHIQ_MSGID_PADDING;
- wmb();
remote_event_signal(&state->remote->sync_release);
}
--
2.19.1
next prev parent reply other threads:[~2018-11-20 14:55 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-20 14:53 [PATCH 00/16] staging: vchiq: dead code removal & misc fixes Nicolas Saenz Julienne
2018-11-20 14:53 ` [PATCH 01/16] staging: vchiq_core: rework vchiq_get_config Nicolas Saenz Julienne
2018-11-20 14:53 ` [PATCH 02/16] staging: vchiq_arm: rework close/remove_service IOCTLS Nicolas Saenz Julienne
2018-11-20 14:53 ` [PATCH 03/16] staging: vchiq_shim: delete vchi_service_create Nicolas Saenz Julienne
2018-11-20 14:53 ` [PATCH 04/16] staging: vchiq_arm: use list_for_each_entry when accessing bulk_waiter_list Nicolas Saenz Julienne
2018-11-20 14:53 ` [PATCH 05/16] staging: vchiq_arm: get rid of vchi_mh.h Nicolas Saenz Julienne
2018-11-20 14:53 ` [PATCH 06/16] staging: vchiq_arm: rework vchiq_ioc_copy_element_data Nicolas Saenz Julienne
2018-11-20 14:53 ` [PATCH 07/16] staging: vchiq-core: get rid of is_master distinction Nicolas Saenz Julienne
2018-11-20 14:53 ` [PATCH 08/16] staging: vchiq_core: remove unnecessary safety checks in vchiq_init_state Nicolas Saenz Julienne
2018-11-20 14:53 ` [PATCH 09/16] staging: vchiq_core: do not initialize semaphores twice Nicolas Saenz Julienne
2018-11-20 14:53 ` Nicolas Saenz Julienne [this message]
2018-11-20 14:53 ` [PATCH 11/16] staging: vchiq: use completions instead of semaphores Nicolas Saenz Julienne
2018-11-20 14:53 ` [PATCH 12/16] staging: vchiq_util: get rid of unneeded memory barriers Nicolas Saenz Julienne
2018-11-20 14:53 ` [PATCH 13/16] staging: vchiq_core: fix logic redundancy in parse_open Nicolas Saenz Julienne
2018-11-20 14:53 ` [PATCH 14/16] staging: vchiq_arm: rework probe and init functions Nicolas Saenz Julienne
2018-11-20 14:53 ` [PATCH 15/16] staging: vchiq_arm: fix open/release cdev functions Nicolas Saenz Julienne
2018-11-20 14:53 ` [PATCH 16/16] staging: vchiq: add more tasks to the TODO list Nicolas Saenz Julienne
2018-11-26 19:36 ` [PATCH 00/16] staging: vchiq: dead code removal & misc fixes Stefan Wahren
2018-11-27 9:13 ` Greg KH
-- strict thread matches above, loose matches on Subject: below --
2018-11-14 12:59 Nicolas Saenz Julienne
2018-11-14 12:59 ` [PATCH 10/16] staging: vchiq_core: don't add a wmb() before remote_event_signal() Nicolas Saenz Julienne
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20181120145351.30390-11-nsaenzjulienne@suse.de \
--to=nsaenzjulienne@suse.de \
--cc=dave.stevenson@raspberrypi.org \
--cc=devel@driverdev.osuosl.org \
--cc=eric@anholt.net \
--cc=gregkh@linuxfoundation.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-rpi-kernel@lists.infradead.org \
--cc=stefan.wahren@i2se.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).