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| author | Thomas Gleixner <tglx@linutronix.de> | 2015-07-30 00:13:24 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-07-30 00:13:24 +0200 |
| commit | 4b979e4c611ce750d32b51737f837b485f43c69b (patch) | |
| tree | 3bc56f2a22d2cf29bc183b67e74e1e8c0733efc0 /arch/s390/kernel/entry.S | |
| parent | xtensa/irq: Use access helper irq_data_get_affinity_mask() (diff) | |
| parent | Linux 4.2-rc4 (diff) | |
| download | linux-4b979e4c611ce750d32b51737f837b485f43c69b.tar.xz linux-4b979e4c611ce750d32b51737f837b485f43c69b.zip | |
Merge branch 'linus' into irq/core
Pull in upstream fixes before applying conflicting changes
Diffstat (limited to 'arch/s390/kernel/entry.S')
| -rw-r--r-- | arch/s390/kernel/entry.S | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index 3238893c9d4f..84062e7a77da 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -178,17 +178,21 @@ _PIF_WORK = (_PIF_PER_TRAP) */ ENTRY(__switch_to) stmg %r6,%r15,__SF_GPRS(%r15) # store gprs of prev task - stg %r15,__THREAD_ksp(%r2) # store kernel stack of prev - lg %r4,__THREAD_info(%r2) # get thread_info of prev - lg %r5,__THREAD_info(%r3) # get thread_info of next + 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 + aghi %r1,__TASK_thread # thread_struct of next task lgr %r15,%r5 aghi %r15,STACK_INIT # end of kernel stack of next stg %r3,__LC_CURRENT # store task struct of next stg %r5,__LC_THREAD_INFO # store thread info of next stg %r15,__LC_KERNEL_STACK # store end of kernel stack + lg %r15,__THREAD_ksp(%r1) # load kernel stack of next lctl %c4,%c4,__TASK_pid(%r3) # load pid to control reg. 4 mvc __LC_CURRENT_PID+4(4,%r0),__TASK_pid(%r3) # store pid of next - lg %r15,__THREAD_ksp(%r3) # load kernel stack of next lmg %r6,%r15,__SF_GPRS(%r15) # load gprs of next task br %r14 @@ -417,6 +421,7 @@ ENTRY(pgm_check_handler) LAST_BREAK %r14 lg %r15,__LC_KERNEL_STACK lg %r14,__TI_task(%r12) + aghi %r14,__TASK_thread # pointer to thread_struct lghi %r13,__LC_PGM_TDB tm __LC_PGM_ILC+2,0x02 # check for transaction abort jz 2f |