* [PATCH] minios: drop volatile qualifier from some status variables
@ 2008-05-06 15:33 Samuel Thibault
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From: Samuel Thibault @ 2008-05-06 15:33 UTC (permalink / raw)
To: xen-devel
minios: drop volatile qualifier from some status variables
since we already use memory barriers as approriate to prevent concurrent
access with event handlers.
Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
diff -r 66fdf958c6fc -r 20945f11bf10 extras/mini-os/include/lib.h
--- a/extras/mini-os/include/lib.h Tue May 06 12:07:32 2008 +0100
+++ b/extras/mini-os/include/lib.h Tue May 06 15:40:02 2008 +0100
@@ -162,7 +162,7 @@ extern struct file {
* wakes select for this FD. */
struct {
evtchn_port_t port;
- volatile unsigned long pending;
+ unsigned long pending;
int bound;
} ports[MAX_EVTCHN_PORTS];
} evtchn;
@@ -181,7 +181,7 @@ extern struct file {
xenbus_event_queue events;
} xenbus;
};
- volatile int read; /* maybe available for read */
+ int read; /* maybe available for read */
} files[];
int alloc_fd(enum fd_type type);
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2008-05-06 15:33 [PATCH] minios: drop volatile qualifier from some status variables Samuel Thibault
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