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target-i386: Add comment about do_interrupt_user() next_eip argument

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Add a comment to do_interrupt_user() along the same lines as the
existing one for do_interrupt_all() noting that the next_eip
argument is not used unless is_int is true or intno is EXCP_SYSCALL.

Backports commit 33271823323483b4ede1ae99de83d33b25875402 from qemu
This commit is contained in:
Peter Maydell 2018-02-24 17:26:15 -05:00 committed by Lioncash
parent d7dccff836
commit fa2679ba96
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1 changed files with 5 additions and 1 deletions
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6
qemu/target-i386/seg_helper.c
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@ -1129,7 +1129,11 @@ static void do_interrupt_real(CPUX86State *env, int intno, int is_int,
}
#if defined(CONFIG_USER_ONLY)
/* fake user mode interrupt */
/* fake user mode interrupt. is_int is TRUE if coming from the int
* instruction. next_eip is the env->eip value AFTER the interrupt
* instruction. It is only relevant if is_int is TRUE or if intno
* is EXCP_SYSCALL.
*/
static void do_interrupt_user(CPUX86State *env, int intno, int is_int,
int error_code, target_ulong next_eip)
{