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[ARM] 4183/1: do_undefinstr: read svc undefined instructions with svc privileges
authorDan Williams <dan.j.williams@intel.com>
Tue, 13 Feb 2007 16:11:34 +0000 (17:11 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Wed, 14 Feb 2007 15:21:22 +0000 (15:21 +0000)
commitdfc544c7216b276c1e9c0c753299692df4068c44
tree3f8b30ea058ad49a4a54b76fa193bde988ac6f1atree | snapshot
parent6df26700c0884cb3cce2b9fa4795888f86ca4d8fcommit | diff
[ARM] 4183/1: do_undefinstr: read svc undefined instructions with svc privileges

do_undefinstr currently does not expect undefined instructions in kernel
code, since it always uses get_user() to read the instruction.

Dereference the 'pc' pointer directly in the SVC case.

Per Nicolas Pitre's note, kernel code is never in thumb mode.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/kernel/traps.c diff | blob | history
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