diff options
| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2007-03-05 23:35:43 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2007-03-05 23:35:43 +0100 |
| commit | c5dd8586707800cd7bbdefcd675ad7d3c9afcd57 (patch) | |
| tree | e80b86321c3e7e2c478ad8d7850d8b3c98be7850 /arch/s390/kernel/ipl.c | |
| parent | 25864162c15e61b494aa619974a4d521270362f7 (diff) | |
[S390] reipl: move dump_prefix_page out of text section.
Reipl doesn't work on older machines were s390_reset_machine() gets
called. The reason is that the text section is read-only but the
variable dump_prefix_page is there. Since s390_reset_machine() writes
to it we get a protection exception.
Therefore move dump_prefix_page to the bss section.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/ipl.c')
| -rw-r--r-- | arch/s390/kernel/ipl.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index 5a863a3bf10..d125a4ead08 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -1066,7 +1066,7 @@ static void do_reset_calls(void) reset->fn(); } -extern __u32 dump_prefix_page; +u32 dump_prefix_page; void s390_reset_system(void) { @@ -1078,7 +1078,7 @@ void s390_reset_system(void) lc->panic_stack = S390_lowcore.panic_stack; /* Save prefix page address for dump case */ - dump_prefix_page = (unsigned long) lc; + dump_prefix_page = (u32)(unsigned long) lc; /* Disable prefixing */ set_prefix(0); |