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| author | Isaku Yamahata <yamahata@valinux.co.jp> | 2008-06-16 14:58:13 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-06-20 14:56:30 +0200 |
| commit | 46539383791a0e59a4af7412056dfbfc5240af0a (patch) | |
| tree | 3d41133619858b27d3c34e09d787a6120b3646cb /arch/xtensa/mm/misc.S | |
| parent | 54481cf88bc59923ea30f2ca345a73c60155e901 (diff) | |
xen: Use wmb instead of rmb in xen_evtchn_do_upcall().
This patch is ported one from 534:77db69c38249 of linux-2.6.18-xen.hg.
Use wmb instead of rmb to enforce ordering between
evtchn_upcall_pending and evtchn_pending_sel stores
in xen_evtchn_do_upcall().
Cc: Samuel Thibault <samuel.thibault@eu.citrix.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: the arch/x86 maintainers <x86@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/xtensa/mm/misc.S')
0 files changed, 0 insertions, 0 deletions