diff options
| author | Tzachi Perelstein <tzachi@marvell.com> | 2007-09-09 14:24:59 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-09-13 15:10:27 +0100 |
| commit | b9338a78fc21e980d33c58b31f3bb37cd48a68f6 (patch) | |
| tree | a70c8ce2b23ddc383f3908e71b1dfa1141363b88 /arch/arm/kernel | |
| parent | a53d6fb83efc75bbd7876459e6e1291c4925103d (diff) | |
[ARM] 4567/1: Fix 'Oops - undefined instruction' when CONFIG_VFP=y on non VFP device
vfp_init() takes care of the condition when CONFIG_VFP=y but no real VFP
device exists. However, when this condition is true, a compiler might
misplace code lines in a way that will break this support. (To be more
specific - fmrx(FPSID) might be executed before vfp_testing_entry
assignment, which will end up with Oops - undefined instruction).
This patch adds a barrier() to guarantee the right execution ordering.
Signed-off-by: Assaf Hoffman
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel')
0 files changed, 0 insertions, 0 deletions