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clv: Change no_preempt from int to ihk_atomic_t.

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Fix the issue where the value of no_preempt gets unexpected value
(-1, 1, 2 etc.) after process ends when running the UTI tests.

Change-Id: I7d9c08b754a171ea3fdec20ab2e635df3b607cbd
This commit is contained in:
Shiratori, Takehiro
2019-03-08 20:55:58 +09:00
committed by Masamichi Takagi
parent 1070387ed2
commit eba2131f34
5 changed files with 14 additions and 11 deletions
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2
kernel/include/cls.h
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@@ -107,7 +107,7 @@ struct cpu_local_var {
struct list_head migq;
int in_interrupt;
int in_page_fault;
int no_preempt;
ihk_atomic_t no_preempt;
int timer_enabled;
unsigned long nr_ctx_switches;
int kmalloc_initialized;

6
kernel/include/kmalloc.h
View File

@@ -19,8 +19,10 @@
#define kmalloc(size, flag) ({\
void *r = _kmalloc(size, flag, __FILE__, __LINE__);\
if(r == NULL){\
kprintf("kmalloc: out of memory %s:%d no_preempt=%d\n", __FILE__, __LINE__, cpu_local_var(no_preempt)); \
if (r == NULL) {\
kprintf("kmalloc: out of memory %s:%d no_preempt=%d\n", \
__FILE__, __LINE__, \
ihk_atomic_read(&cpu_local_var(no_preempt))); \
}\
r;\
})