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| author |   Catalin Marinas <catalin.marinas@arm.com> | 2011-04-06 16:18:47 +0100 |
|---|---|---|
| committer |   Russell King <rmk+kernel@arm.linux.org.uk> | 2011-05-12 10:52:00 +0100 |
| commit | a904f5f9eb7a55baacb2f4c1423cac8a8eb78a3a (patch) | |
| tree | d3ada07264a900601f8e610f9270b5319a6631d4 /kernel/sysctl.c | |
| parent | ARM: 6892/1: handle ptrace requests to change PC during interrupted system calls (diff) | |
| download | wireguard-linux-a904f5f9eb7a55baacb2f4c1423cac8a8eb78a3a.tar.xz wireguard-linux-a904f5f9eb7a55baacb2f4c1423cac8a8eb78a3a.zip | |
ARM: 6870/1: The mandatory barrier rmb() must be a dsb() in for device accesses
Since mandatory barriers may be used (explicitly or implicitly via readl
etc.) to ensure the ordering between Device and Normal memory accesses,
a DMB is not enough. This patch converts it to a DSB.
Cc: Colin Cross <ccross@android.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'kernel/sysctl.c')
0 files changed, 0 insertions, 0 deletions