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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2011-10-30 15:16:45 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2011-10-30 15:16:42 +0100
commit0edc8faa769095e98a5a5adc28db982f99f0d663 (patch)
tree61828b450ece8375d58ba1279ccb0aaaa74e0c52 /arch/s390/kernel/entry64.S
parent[S390] Add architecture code for unmapping crashkernel memory (diff)
downloadlinux-0edc8faa769095e98a5a5adc28db982f99f0d663.tar.xz
linux-0edc8faa769095e98a5a5adc28db982f99f0d663.zip
[S390] lowcore cleanup
Remove the save_area_64 field from the 0xe00 - 0xf00 area in the lowcore. Use a free slot in the save_area array instead. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/entry64.S')
-rw-r--r--arch/s390/kernel/entry64.S4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index 713da0760538..3257f7f55551 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -869,12 +869,12 @@ restart_go:
# PSW restart interrupt handler
#
ENTRY(psw_restart_int_handler)
- stg %r15,__LC_SAVE_AREA_64(%r0) # save r15
+ stg %r15,__LC_SAVE_AREA+120(%r0) # save r15
larl %r15,restart_stack # load restart stack
lg %r15,0(%r15)
aghi %r15,-SP_SIZE # make room for pt_regs
stmg %r0,%r14,SP_R0(%r15) # store gprs %r0-%r14 to stack
- mvc SP_R15(8,%r15),__LC_SAVE_AREA_64(%r0)# store saved %r15 to stack
+ mvc SP_R15(8,%r15),__LC_SAVE_AREA+120(%r0)# store saved %r15 to stack
mvc SP_PSW(16,%r15),__LC_RST_OLD_PSW(%r0)# store restart old psw
xc __SF_BACKCHAIN(8,%r15),__SF_BACKCHAIN(%r15) # set backchain to 0
brasl %r14,do_restart