[S390] move (io|sysc)_restore_trace_psw into .data section

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The sysc_restore_trace_psw and io_restore_trace_psw storage locations
are created in the .text section. When creating and IPLing from a named
saved system (NSS), writing to these locations causes a protection exception
(because the .text section is mapped as shared read-only in the NSS).

To permit write access, move the storage locations into the .data section.

The problem occurs only when CONFIG_TRACE_IRQFLAGS is set.
The git commmit that has introduced these variables is:
411788ea7f

Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

...

This commit is contained in:

Hendrik Brueckner 2009-09-11 10:28:42 +02:00 • committed by Martin Schwidefsky

parent 18d00acfe2

commit a8c3cb4955

2 changed files with 18 additions and 2 deletions

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16

arch/s390/kernel/entry.S

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4

arch/s390/kernel/entry64.S

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