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Fix kpatch.ko build on Ubuntu Saucy.

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The error likes:
make -C /lib/modules/3.11.0-12-generic/build M=/home/ryan/kpatch/kmod/core kpatch.ko
make[3]: Entering directory `/usr/src/linux-headers-3.11.0-12-generic'
  CC [M]  /home/ryan/kpatch/kmod/core/core.o
/home/ryan/kpatch/kmod/core/core.c:42:32: fatal error: linux/preempt_mask.h: No such file or directory
 #include <linux/preempt_mask.h>

I feel sorry to introduce this problem from my laster commit 6c2d6444.
Some old kernel doesn't have header file preempt_mask.h, and the safe
way is using hardirq.h to find in_nmi().

Signed-off-by: Jincheng Miao <jincheng.miao@gmail.com>
This commit is contained in:
Jincheng Miao 2014-05-07 17:48:02 +08:00
parent 135b438af0
commit 171cd567ce
1 changed files with 1 additions and 1 deletions
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kmod/core/core.c
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@ -39,7 +39,7 @@
#include <linux/stop_machine.h>
#include <linux/ftrace.h>
#include <linux/hashtable.h>
#include <linux/preempt_mask.h>
#include <linux/hardirq.h>
#include <asm/stacktrace.h>
#include <asm/cacheflush.h>
#include "kpatch.h"