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Fix deadlock on thread->times_update in getrusage()

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Set thread->in_kernel properly on exiting interrupt handler when entering
it from kernel mode.

Conflicts:
	arch/x86_64/kernel/cpu.c
	kernel/mem.c
This commit is contained in:
Masamichi Takagi
2018-03-06 13:23:03 +09:00
parent 7b4de6e6c2
commit 06b1b4f8ab
3 changed files with 8 additions and 5 deletions
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8
arch/x86_64/kernel/cpu.c
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@ -1007,7 +1007,7 @@ void handle_interrupt(int vector, struct x86_user_context *regs)
}
interrupt_exit(regs);
set_cputime(0);
set_cputime(interrupt_from_user(regs)? 0: 1);
--v->in_interrupt;
}
@ -1023,7 +1023,7 @@ void gpe_handler(struct x86_user_context *regs)
}
set_signal(SIGSEGV, regs, NULL);
interrupt_exit(regs);
set_cputime(0);
set_cputime(interrupt_from_user(regs)? 0: 1);
panic("GPF");
}
@ -1052,7 +1052,7 @@ void debug_handler(struct x86_user_context *regs)
info.si_code = si_code;
set_signal(SIGTRAP, regs, &info);
interrupt_exit(regs);
set_cputime(0);
set_cputime(interrupt_from_user(regs)? 0: 1);
}
void int3_handler(struct x86_user_context *regs)
@ -1070,7 +1070,7 @@ void int3_handler(struct x86_user_context *regs)
info.si_code = TRAP_BRKPT;
set_signal(SIGTRAP, regs, &info);
interrupt_exit(regs);
set_cputime(0);
set_cputime(interrupt_from_user(regs)? 0: 1);
}
void