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x86/tss: Move I/O bitmap data into a seperate struct

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Move the non hardware portion of I/O bitmap data into a seperate struct for
readability sake.

Originally-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner
2019-11-12 18:45:29 +01:00
parent ecc7e37d4d
commit f5848e5fd2
4 changed files with 34 additions and 27 deletions
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4
arch/x86/kernel/cpu/common.c
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@@ -1861,8 +1861,8 @@ void cpu_init(void)
/* Initialize the TSS. */
tss_setup_ist(tss);
tss->x86_tss.io_bitmap_base = IO_BITMAP_OFFSET_INVALID;
tss->io_bitmap_prev_max = 0;
memset(tss->io_bitmap, 0xff, sizeof(tss->io_bitmap));
tss->io_bitmap.prev_max = 0;
memset(tss->io_bitmap.bitmap, 0xff, sizeof(tss->io_bitmap.bitmap));
set_tss_desc(cpu, &get_cpu_entry_area(cpu)->tss.x86_tss);
load_TR_desc();