[S390] Improve address space check.

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A data access in access-register mode always is a user mode access,
the code to inspect the access-registers can be removed. The second
change is to use a different test to check for no-execute fault.
The third change is to pass the translation exception identification
as parameter, in theory the trans_exc_code in the lowcore could have
been overwritten by the time the call to check_space from do_no_context
is done.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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Martin Schwidefsky 2009-12-07 12:51:42 +01:00 • committed by Martin Schwidefsky

parent d40f7b75a2

commit 61365e132e

1 changed files with 45 additions and 54 deletions

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arch/s390/mm/fault.c

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