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| author | Michal Marek | 2010-12-14 22:01:55 +0100 |
|---|---|---|
| committer | Michal Marek | 2010-12-14 22:01:55 +0100 |
| commit | 8990c1bc4be46473ad19bf2fa612ca57286f3df4 (patch) | |
| tree | 3cea60576903a1d26c67e6ec62891b524d390e95 /arch/blackfin/mach-common/interrupt.S | |
| parent | headers_install: check exit status of unifdef (diff) | |
| parent | Linux 2.6.37-rc1 (diff) | |
| download | kernel-qcow2-linux-8990c1bc4be46473ad19bf2fa612ca57286f3df4.tar.gz kernel-qcow2-linux-8990c1bc4be46473ad19bf2fa612ca57286f3df4.tar.xz kernel-qcow2-linux-8990c1bc4be46473ad19bf2fa612ca57286f3df4.zip | |
Merge commit 'v2.6.37-rc1' into kbuild/kbuild
Diffstat (limited to 'arch/blackfin/mach-common/interrupt.S')
| -rw-r--r-- | arch/blackfin/mach-common/interrupt.S | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/blackfin/mach-common/interrupt.S b/arch/blackfin/mach-common/interrupt.S index cee62cf4acd4..2df37db3b49b 100644 --- a/arch/blackfin/mach-common/interrupt.S +++ b/arch/blackfin/mach-common/interrupt.S @@ -116,7 +116,24 @@ __common_int_entry: cc = r0 == 0; if cc jump .Lcommon_restore_context; #else /* CONFIG_IPIPE */ + +#ifdef CONFIG_PREEMPT + r7 = sp; + r4.l = lo(ALIGN_PAGE_MASK); + r4.h = hi(ALIGN_PAGE_MASK); + r7 = r7 & r4; + p5 = r7; + r7 = [p5 + TI_PREEMPT]; /* get preempt count */ + r7 += 1; /* increment it */ + [p5 + TI_PREEMPT] = r7; +#endif pseudo_long_call _do_irq, p2; + +#ifdef CONFIG_PREEMPT + r7 += -1; + [p5 + TI_PREEMPT] = r7; /* restore preempt count */ +#endif + SP += 12; #endif /* CONFIG_IPIPE */ pseudo_long_call _return_from_int, p2; |