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This commit is contained in:
Tomoki Shirasawa
2016-02-18 13:14:18 +09:00
parent a997af71be
commit eba2be8a35
10 changed files with 159 additions and 3 deletions
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10
arch/x86/kernel/syscall.c
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@ -756,6 +756,14 @@ hassigpending(struct thread *thread)
return getsigpending(thread, 0);
}
int
interrupt_from_user(void *regs0)
{
struct x86_user_context *regs = regs0;
return !(regs->gpr.rsp & 0x8000000000000000);
}
void
check_signal(unsigned long rc, void *regs0, int num)
{
@ -785,7 +793,7 @@ check_signal(unsigned long rc, void *regs0, int num)
return;
}
if(regs != NULL && (regs->gpr.rsp & 0x8000000000000000)) {
if(regs != NULL && !interrupt_from_user(regs)) {
return;
}