Function report |
Source Code:arch\x86\kernel\traps.c |
Create Date:2022-07-28 07:31:58 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:Runs on an IST stack for x86_64 and on a special task stack for x86_32.* On x86_64, this is more or less a normal kernel entry. Notwithstanding the* SDM's warnings about double faults being unrecoverable, returning works as* expected
Proto:__attribute__((__externally_visible__)) void do_double_fault(struct pt_regs *regs, long error_code, unsigned long cr2)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
struct pt_regs * | regs | |
long | error_code | |
unsigned long | cr2 |
328 | str[] = "double fault" |
329 | tsk = current process |
382 | notify_die(DIE_TRAP, str, regs, error_code, X86_TRAP_DF, SIGSEGV) |
384 | error_code = error_code |
385 | trap_nr = X86_TRAP_DF |
430 | die("double fault", regs, error_code) |
Name | Describe |
---|---|
doublefault_shim | Called by double_fault with CR0.TS and EFLAGS.NT cleared. The CPU thinks* we're running the doublefault task. Cannot return. |
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