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| author |   Len Brown <len.brown@intel.com> | 2009-01-09 03:39:43 -0500 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2009-01-09 03:39:43 -0500 |
| commit | b2576e1d4408e134e2188c967b1f28af39cd79d4 (patch) | |
| tree | 004f3c82faab760f304ce031d6d2f572e7746a50 /arch/sparc/include/asm/pil.h | |
| parent | Merge branch 'suspend' into release (diff) | |
| parent | Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 (diff) | |
| download | linux-dev-b2576e1d4408e134e2188c967b1f28af39cd79d4.tar.xz linux-dev-b2576e1d4408e134e2188c967b1f28af39cd79d4.zip | |
Merge branch 'linus' into release
Diffstat (limited to 'arch/sparc/include/asm/pil.h')
| -rw-r--r-- | arch/sparc/include/asm/pil.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/sparc/include/asm/pil.h b/arch/sparc/include/asm/pil.h index 71819bb943fc..d573820c0ff4 100644 --- a/arch/sparc/include/asm/pil.h +++ b/arch/sparc/include/asm/pil.h @@ -10,7 +10,12 @@ * * In fact any XCALL which has to etrap/rtrap has a problem because * it is difficult to prevent rtrap from running BH's, and that would - * need to be done if the XCALL arrived while %pil==15. + * need to be done if the XCALL arrived while %pil==PIL_NORMAL_MAX. + * + * Finally, in order to handle profiling events even when a + * local_irq_disable() is in progress, we only disable up to level 14 + * interrupts. Profile counter overflow interrupts arrive at level + * 15. */ #define PIL_SMP_CALL_FUNC 1 #define PIL_SMP_RECEIVE_SIGNAL 2 @@ -18,5 +23,7 @@ #define PIL_SMP_CTX_NEW_VERSION 4 #define PIL_DEVICE_IRQ 5 #define PIL_SMP_CALL_FUNC_SNGL 6 +#define PIL_NORMAL_MAX 14 +#define PIL_NMI 15 #endif /* !(_SPARC64_PIL_H) */ |