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create rusage branch.

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Katsukura
2017-03-15 23:22:51 +09:00
parent eca4018ecb
commit 3fe2257929
23 changed files with 1013 additions and 40 deletions
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21
arch/x86/kernel/cpu.c
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@@ -1813,4 +1813,25 @@ int running_on_kvm(void) {
return 0;
}
void
mod_nmi_ctx(void *nmi_ctx, void (*func)())
{
unsigned long *l = nmi_ctx;
int i;
unsigned long flags;
struct x86_cpu_local_variables *v;
if(!ihk_mc_get_processor_id()) {
v = get_x86_this_cpu_local();
}
asm volatile("pushf; pop %0" : "=r"(flags) : : "memory", "cc");
for (i = 0; i < 22; i++)
l[i] = l[i + 5];
l[i++] = (unsigned long)func; // return address
l[i++] = 0x20; // KERNEL CS
l[i++] = flags & ~RFLAGS_IF; // rflags (disable interrupt)
l[i++] = (unsigned long)(l + 27); // ols rsp
l[i++] = 0x28; // KERNEL DS
}
/*** end of file ***/