The patch titled
ipmi: remove unnecessary memory barriers
has been added to the -mm tree. Its filename is
ipmi-dont-grab-locks-in-run-to-completion-mode-fix.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: ipmi: remove unnecessary memory barriers
From: Corey Minyard <cminyard@xxxxxxxxxx>
Remove some unnecessary barriers.
Signed-off-by: Corey Minyard <cminyard@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/char/ipmi/ipmi_msghandler.c | 2 --
1 file changed, 2 deletions(-)
diff -puN drivers/char/ipmi/ipmi_msghandler.c~ipmi-dont-grab-locks-in-run-to-completion-mode-fix drivers/char/ipmi/ipmi_msghandler.c
--- a/drivers/char/ipmi/ipmi_msghandler.c~ipmi-dont-grab-locks-in-run-to-completion-mode-fix
+++ a/drivers/char/ipmi/ipmi_msghandler.c
@@ -3511,7 +3511,6 @@ void ipmi_smi_msg_received(ipmi_smi_t
/* To preserve message order, if the list is not empty, we
tack this message onto the end of the list. */
run_to_completion = intf->run_to_completion;
- barrier();
if (!run_to_completion)
spin_lock_irqsave(&intf->waiting_msgs_lock, flags);
if (!list_empty(&intf->waiting_msgs)) {
@@ -3528,7 +3527,6 @@ void ipmi_smi_msg_received(ipmi_smi_t
/* Could not handle the message now, just add it to a
list to handle later. */
run_to_completion = intf->run_to_completion;
- barrier();
if (!run_to_completion)
spin_lock_irqsave(&intf->waiting_msgs_lock, flags);
list_add_tail(&msg->link, &intf->waiting_msgs);
_
Patches currently in -mm which might be from cminyard@xxxxxxxxxx are
git-watchdog.patch
ipmi-hold-attn-until-upper-layer-ready.patch
ipmi-change-device-node-ordering-to-reflect-probe-order.patch
ipmi-run-to-completion-fixes.patch
ipmi-run-to-completion-fixes-fix.patch
ipmi-run-to-completion-fixes-checkpatch-fixes.patch
ipmi-dont-grab-locks-in-run-to-completion-mode.patch
ipmi-dont-grab-locks-in-run-to-completion-mode-fix.patch
ipmi-dont-print-event-queue-full-on-every-event.patch
ipmi-update-driver-version.patch
-
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