diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2010-10-28 16:12:33 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-11-02 13:39:13 +0100 |
| commit | 7fe19da4ca38fc20cdbc7020fcf2eca8fc756410 (patch) | |
| tree | 35a15dd2bdc4f70b312141fe768ed093df1f8188 | |
| parent | kconfig: sym_expand_string_value: allow for string termination when reallocing (diff) | |
| download | linux-7fe19da4ca38fc20cdbc7020fcf2eca8fc756410.tar.xz linux-7fe19da4ca38fc20cdbc7020fcf2eca8fc756410.zip | |
preempt: fix kernel build with !CONFIG_BKL
The preempt count logic tries to take the BKL into account, which breaks
when CONFIG_BKL is not set.
Use the same preempt_count offset that we use without CONFIG_PREEMPT
when CONFIG_BKL is disabled.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reported-and-tested-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | include/linux/hardirq.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h index 8a389b608ce3..41cb31f14ee3 100644 --- a/include/linux/hardirq.h +++ b/include/linux/hardirq.h @@ -96,11 +96,15 @@ */ #define in_nmi() (preempt_count() & NMI_MASK) -#if defined(CONFIG_PREEMPT) +#if defined(CONFIG_PREEMPT) && defined(CONFIG_BKL) # define PREEMPT_INATOMIC_BASE kernel_locked() -# define PREEMPT_CHECK_OFFSET 1 #else # define PREEMPT_INATOMIC_BASE 0 +#endif + +#if defined(CONFIG_PREEMPT) +# define PREEMPT_CHECK_OFFSET 1 +#else # define PREEMPT_CHECK_OFFSET 0 #endif |