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| author | David Woodhouse <dwmw2@infradead.org> | 2007-08-01 14:23:57 +0400 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2007-08-01 14:23:57 +0400 |
| commit | 440fdb53b4ae58602711b5b8c3a139ace2404dbb (patch) | |
| tree | c6fb88d6ad537ec53aeecadc75a61ab6147d4c9c /arch/m68knommu/platform/5307/entry.S | |
| parent | 8b2b403ce0f1a816b7a6a4f47c8798003b26c07a (diff) | |
| parent | 8d4fbcfbe0a4bfc73e7f0297c59ae514e1f1436f (diff) | |
| download | linux-440fdb53b4ae58602711b5b8c3a139ace2404dbb.tar.xz | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/m68knommu/platform/5307/entry.S')
| -rw-r--r-- | arch/m68knommu/platform/5307/entry.S | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/arch/m68knommu/platform/5307/entry.S b/arch/m68knommu/platform/5307/entry.S index c358aebe0af3..a8cd867805ca 100644 --- a/arch/m68knommu/platform/5307/entry.S +++ b/arch/m68knommu/platform/5307/entry.S @@ -213,16 +213,12 @@ ENTRY(ret_from_interrupt) * Beware - when entering resume, prev (the current task) is * in a0, next (the new task) is in a1,so don't change these * registers until their contents are no longer needed. + * This is always called in supervisor mode, so don't bother to save + * and restore sr; user's process sr is actually in the stack. */ ENTRY(resume) movel %a0, %d1 /* get prev thread in d1 */ - movew %sr,%d0 /* save thread status reg */ - movew %d0,%a0@(TASK_THREAD+THREAD_SR) - - oril #0x700,%d0 /* disable interrupts */ - move %d0,%sr - movel sw_usp,%d0 /* save usp */ movel %d0,%a0@(TASK_THREAD+THREAD_USP) @@ -233,7 +229,4 @@ ENTRY(resume) movel %a1@(TASK_THREAD+THREAD_USP),%a0 /* restore thread user stack */ movel %a0, sw_usp - - movew %a1@(TASK_THREAD+THREAD_SR),%d0 /* restore thread status reg */ - movew %d0, %sr rts |