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| author | H. Peter Anvin (Intel) <hpa@zytor.com> | 2021-05-19 14:21:50 -0700 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2021-05-21 12:36:45 +0200 |
| commit | 8ec9069a432c873e52e6f4ce1496f282a4299604 (patch) | |
| tree | ab99b48163ee8596d3eb563c3f067e9dfb944117 /arch/x86/kernel/idt.c | |
| parent | ff851003880de9d1111498877551ba16668c38ef (diff) | |
| download | linux-next-8ec9069a432c873e52e6f4ce1496f282a4299604.tar.gz | |
x86/idt: Remove address argument from idt_invalidate()
There is no reason to specify any specific address to idt_invalidate(). It
looks mostly like an artifact of unifying code done differently by
accident. The most "sensible" address to set here is a NULL pointer -
virtual address zero, just as a visual marker.
This also makes it possible to mark the struct desc_ptr in idt_invalidate()
as static const.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20210519212154.511983-5-hpa@zytor.com
Diffstat (limited to 'arch/x86/kernel/idt.c')
| -rw-r--r-- | arch/x86/kernel/idt.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/x86/kernel/idt.c b/arch/x86/kernel/idt.c index d552f177eca0..2779f5226dc2 100644 --- a/arch/x86/kernel/idt.c +++ b/arch/x86/kernel/idt.c @@ -331,11 +331,10 @@ void __init idt_setup_early_handler(void) /** * idt_invalidate - Invalidate interrupt descriptor table - * @addr: The virtual address of the 'invalid' IDT */ -void idt_invalidate(void *addr) +void idt_invalidate(void) { - struct desc_ptr idt = { .address = (unsigned long) addr, .size = 0 }; + static const struct desc_ptr idt = { .address = 0, .size = 0 }; load_idt(&idt); } |