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| author |   Sebastian Ott <sebott@linux.vnet.ibm.com> | 2013-04-16 14:17:15 +0200 |
|---|---|---|
| committer |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2013-04-17 14:07:38 +0200 |
| commit | b170bad40dab1a1684d629b37cb65a5281d35bd8 (patch) | |
| tree | 40f24811118d28edda9a99b40599f59913f01615 /tools/perf/scripts/python | |
| parent | s390/pci: add exception table to load/store instructions (diff) | |
| download | linux-dev-b170bad40dab1a1684d629b37cb65a5281d35bd8.tar.xz linux-dev-b170bad40dab1a1684d629b37cb65a5281d35bd8.zip | |
s390/pci: do not read data after failed load
If a pci load instruction fails the content of the register where the
data is stored is possibly unchanged. Fix the inline assembly wrapper
__pcilg to not return stale data. Additionally fix the callers of this
function who access uninitialized variables.
Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions