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authorHeiko Carstens <heiko.carstens@de.ibm.com>2016-06-24 10:02:38 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2016-06-28 09:32:40 +0200
commit43799597dc78358d31fdad86a6480054c519bacc (patch)
tree415dda08c2e06732ef5f2f0fe23359cdfbafa9c5
parent907fa061cc24f7092db4fcb7938b9cb6ea7dd15e (diff)
s390: remove pointless load within __switch_to
Remove a leftover from the code that transferred a couple of TIF bits from the previous task to the next task. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
-rw-r--r--arch/s390/kernel/entry.S1
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index 2d47f9cfcb36..9a9a35657860 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -175,7 +175,6 @@ ENTRY(__switch_to)
stmg %r6,%r15,__SF_GPRS(%r15) # store gprs of prev task
lgr %r1,%r2
aghi %r1,__TASK_thread # thread_struct of prev task
- lg %r4,__TASK_thread_info(%r2) # get thread_info of prev
lg %r5,__TASK_thread_info(%r3) # get thread_info of next
stg %r15,__THREAD_ksp(%r1) # store kernel stack of prev
lgr %r1,%r3