Displaying 5 results from an estimated 5 matches for "consume_one_event".
2016 Jan 10
0
[PATCH v3 39/41] xen/events: use virt_xxx barriers
...+++ b/drivers/xen/events/events_fifo.c
@@ -41,6 +41,7 @@
#include <linux/percpu.h>
#include <linux/cpu.h>
+#include <asm/barrier.h>
#include <asm/sync_bitops.h>
#include <asm/xen/hypercall.h>
#include <asm/xen/hypervisor.h>
@@ -296,7 +297,7 @@ static void consume_one_event(unsigned cpu,
* control block.
*/
if (head == 0) {
- rmb(); /* Ensure word is up-to-date before reading head. */
+ virt_rmb(); /* Ensure word is up-to-date before reading head. */
head = control_block->head[priority];
}
--
MST
2016 Jan 10
48
[PATCH v3 00/41] arch: barrier cleanup + barriers for virt
Changes since v2:
- extended checkpatch tests for barriers, and added patches
teaching it to warn about incorrect usage of barriers
(__smp_xxx barriers are for use by asm-generic code only),
should help prevent misuse by arch code
to address comments by Russell King
- patched more instances of xen to use virt_ barriers
as suggested by Stefano Stabellini
- implemented a 2 byte xchg on sh
2016 Jan 10
48
[PATCH v3 00/41] arch: barrier cleanup + barriers for virt
Changes since v2:
- extended checkpatch tests for barriers, and added patches
teaching it to warn about incorrect usage of barriers
(__smp_xxx barriers are for use by asm-generic code only),
should help prevent misuse by arch code
to address comments by Russell King
- patched more instances of xen to use virt_ barriers
as suggested by Stefano Stabellini
- implemented a 2 byte xchg on sh
2015 Dec 31
54
[PATCH v2 00/34] arch: barrier cleanup + barriers for virt
Changes since v1:
- replaced my asm-generic patch with an equivalent patch already in tip
- add wrappers with virt_ prefix for better code annotation,
as suggested by David Miller
- dropped XXX in patch names as this makes vger choke, Cc all relevant
mailing lists on all patches (not personal email, as the list becomes
too long then)
I parked this in vhost tree for now, but the
2015 Dec 31
54
[PATCH v2 00/34] arch: barrier cleanup + barriers for virt
Changes since v1:
- replaced my asm-generic patch with an equivalent patch already in tip
- add wrappers with virt_ prefix for better code annotation,
as suggested by David Miller
- dropped XXX in patch names as this makes vger choke, Cc all relevant
mailing lists on all patches (not personal email, as the list becomes
too long then)
I parked this in vhost tree for now, but the