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| author | Dave Aldridge <david.j.aldridge@oracle.com> | 2017-05-09 02:57:35 -0600 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-05-09 12:16:25 -0700 |
| commit | 3c7f62212018b904ae17f5636ead18a4dca3a88f (patch) | |
| tree | 3563b65cdb09b8257fcd890dbab0db14213c97d1 /samples | |
| parent | aed74ea0a09d2e60e4b3fe45caf30f6365b6c9f3 (diff) | |
sparc64: fix fault handling in NGbzero.S and GENbzero.S
When any of the functions contained in NGbzero.S and GENbzero.S
vector through *bzero_from_clear_user, we may end up taking a
fault when executing one of the store alternate address space
instructions. If this happens, the exception handler does not
restore the %asi register.
This commit fixes the issue by introducing a new exception
handler that ensures the %asi register is restored when
a fault is handled.
Orabug: 25577560
Signed-off-by: Dave Aldridge <david.j.aldridge@oracle.com>
Reviewed-by: Rob Gardner <rob.gardner@oracle.com>
Reviewed-by: Babu Moger <babu.moger@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'samples')
0 files changed, 0 insertions, 0 deletions