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| author | David Vrabel <david.vrabel@citrix.com> | 2014-04-07 13:52:12 +0100 |
|---|---|---|
| committer | David Vrabel <david.vrabel@citrix.com> | 2014-04-07 13:52:12 +0100 |
| commit | 2c5cb2770392fb9c5d8518688c8bc61986d70dc6 (patch) | |
| tree | b19210e709de6ee0d22b67ef605a569500cf1a18 /arch/s390/kernel/entry.S | |
| parent | cd979883b9ede90643e019f33cb317933eb867b4 (diff) | |
| parent | 683b6c6f82a60fabf47012581c2cfbf1b037ab95 (diff) | |
Merge commit '683b6c6f82a60fabf47012581c2cfbf1b037ab95' into stable/for-linus-3.15
This merge of the irq-core-for-linus branch broke the ARM build when
Xen is enabled.
Conflicts:
drivers/xen/events/events_base.c
Diffstat (limited to 'arch/s390/kernel/entry.S')
| -rw-r--r-- | arch/s390/kernel/entry.S | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index 0dc2b6d0a1ec..526d3735ed29 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -43,6 +43,7 @@ _TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_NEED_RESCHED | \ _TIF_MCCK_PENDING) _TIF_TRACE = (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | _TIF_SECCOMP | \ _TIF_SYSCALL_TRACEPOINT) +_TIF_TRANSFER = (_TIF_MCCK_PENDING | _TIF_TLB_WAIT) STACK_SHIFT = PAGE_SHIFT + THREAD_ORDER STACK_SIZE = 1 << STACK_SHIFT @@ -159,10 +160,12 @@ ENTRY(__switch_to) lctl %c4,%c4,__TASK_pid(%r3) # load pid to control reg. 4 mvc __LC_CURRENT_PID(4,%r0),__TASK_pid(%r3) # store pid of next l %r15,__THREAD_ksp(%r3) # load kernel stack of next - tm __TI_flags+3(%r4),_TIF_MCCK_PENDING # machine check pending? + lhi %r6,_TIF_TRANSFER # transfer TIF bits + n %r6,__TI_flags(%r4) # isolate TIF bits jz 0f - ni __TI_flags+3(%r4),255-_TIF_MCCK_PENDING # clear flag in prev - oi __TI_flags+3(%r5),_TIF_MCCK_PENDING # set it in next + o %r6,__TI_flags(%r5) # set TIF bits of next + st %r6,__TI_flags(%r5) + ni __TI_flags+3(%r4),255-_TIF_TRANSFER # clear TIF bits of prev 0: lm %r6,%r15,__SF_GPRS(%r15) # load gprs of next task br %r14 |