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i386: Make setidt_disp a size_t instead of uintptr_t

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setidt_disp is the offset of the ISR trampoline relative to the address
of the routines in exception.s, so uintptr_t is not quite right.

Also remove a bogus declaration I added in commit 18f55c67f7, it is not
required after all.

Reported by:	jrtc27
Reviewed by:	jrtc27, kib
Sponsored by:	The FreeBSD Foundation

(cherry picked from commit cbe59a6475)
This commit is contained in:
Mark Johnston 2021-06-01 10:28:57 -04:00
parent 5a7d63129a
commit 949fb4f962
3 changed files with 2 additions and 6 deletions
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2
sys/i386/i386/machdep.c
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@ -1514,7 +1514,7 @@ static struct soft_segment_descriptor ldt_segs[] = {
.ssd_gran = 1 },
};
uintptr_t setidt_disp;
size_t setidt_disp;
void
setidt(int idx, inthand_t *func, int typ, int dpl, int selec)

2
sys/i386/include/md_var.h
View file

@ -48,7 +48,7 @@ extern int szosigcode;
extern int sz_lcall_tramp;
#endif
extern vm_offset_t proc0kstack;
extern uintptr_t setidt_disp;
extern size_t setidt_disp;
struct segment_descriptor;
union savefpu;

4
sys/x86/x86/local_apic.c
View file

@ -2115,10 +2115,6 @@ native_lapic_ipi_vectored(u_int vector, int dest)
#endif /* SMP */
#ifdef __i386__
extern uintptr_t setidt_disp;
#endif
/*
* Since the IDT is shared by all CPUs the IPI slot update needs to be globally
* visible.