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| author | Paul Mundt <lethal@linux-sh.org> | 2012-05-18 18:13:27 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2012-05-18 18:13:27 +0900 |
| commit | c1dbccc3c7cc70e8211a7ad6ba55ecbc18e77a5a (patch) | |
| tree | 570fbd1ab42d12257a820460fae0e6e7bc891900 /arch/tile/kernel/process.c | |
| parent | 00d6025e58c6e3b229e28cab721c568af5b1ae05 (diff) | |
| parent | 58796ce67a80e8725220af83c5a550bf6a4dab12 (diff) | |
| download | linux-c1dbccc3c7cc70e8211a7ad6ba55ecbc18e77a5a.tar.bz2 | |
Merge branch 'sh/evt2irq-migration' into sh-latest
Conflicts:
arch/sh/kernel/cpu/sh3/setup-sh770x.c
arch/sh/kernel/cpu/sh3/setup-sh7710.c
arch/sh/kernel/cpu/sh3/setup-sh7720.c
arch/sh/kernel/cpu/sh4/setup-sh7750.c
arch/sh/kernel/cpu/sh4a/setup-sh7343.c
arch/sh/kernel/cpu/sh4a/setup-sh7366.c
arch/sh/kernel/cpu/sh4a/setup-sh7722.c
arch/sh/kernel/cpu/sh4a/setup-sh7723.c
arch/sh/kernel/cpu/sh4a/setup-sh7724.c
arch/sh/kernel/cpu/sh4a/setup-sh7757.c
arch/sh/kernel/cpu/sh4a/setup-sh7763.c
arch/sh/kernel/cpu/sh4a/setup-sh7770.c
arch/sh/kernel/cpu/sh4a/setup-sh7785.c
arch/sh/kernel/cpu/sh4a/setup-sh7786.c
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/tile/kernel/process.c')
| -rw-r--r-- | arch/tile/kernel/process.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/tile/kernel/process.c b/arch/tile/kernel/process.c index 2d5ef617bb39..54e6c64b85cc 100644 --- a/arch/tile/kernel/process.c +++ b/arch/tile/kernel/process.c @@ -567,6 +567,10 @@ struct task_struct *__sched _switch_to(struct task_struct *prev, */ int do_work_pending(struct pt_regs *regs, u32 thread_info_flags) { + /* If we enter in kernel mode, do nothing and exit the caller loop. */ + if (!user_mode(regs)) + return 0; + if (thread_info_flags & _TIF_NEED_RESCHED) { schedule(); return 1; @@ -589,8 +593,7 @@ int do_work_pending(struct pt_regs *regs, u32 thread_info_flags) return 1; } if (thread_info_flags & _TIF_SINGLESTEP) { - if ((regs->ex1 & SPR_EX_CONTEXT_1_1__PL_MASK) == 0) - single_step_once(regs); + single_step_once(regs); return 0; } panic("work_pending: bad flags %#x\n", thread_info_flags); |