Revert "xen/x86: Workaround 'x86/ioapic: Add register level checks to detect bogus io-apic entries'"
This reverts commit 2531d64b6f
.
The two patches:
x86/apic: Replace io_apic_ops with x86_io_apic_ops.
xen/x86: Implement x86_apic_ops
take care of fixing it properly.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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parent
31b3c9d723
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27abd14bd9
1 changed files with 1 additions and 3 deletions
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@ -1859,7 +1859,6 @@ pgd_t * __init xen_setup_kernel_pagetable(pgd_t *pgd,
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#endif /* CONFIG_X86_64 */
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static unsigned char dummy_mapping[PAGE_SIZE] __page_aligned_bss;
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static unsigned char fake_ioapic_mapping[PAGE_SIZE] __page_aligned_bss;
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static void xen_set_fixmap(unsigned idx, phys_addr_t phys, pgprot_t prot)
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{
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@ -1900,7 +1899,7 @@ static void xen_set_fixmap(unsigned idx, phys_addr_t phys, pgprot_t prot)
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* We just don't map the IO APIC - all access is via
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* hypercalls. Keep the address in the pte for reference.
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*/
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pte = pfn_pte(PFN_DOWN(__pa(fake_ioapic_mapping)), PAGE_KERNEL);
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pte = pfn_pte(PFN_DOWN(__pa(dummy_mapping)), PAGE_KERNEL);
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break;
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#endif
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@ -2065,7 +2064,6 @@ void __init xen_init_mmu_ops(void)
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pv_mmu_ops = xen_mmu_ops;
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memset(dummy_mapping, 0xff, PAGE_SIZE);
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memset(fake_ioapic_mapping, 0xfd, PAGE_SIZE);
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}
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/* Protected by xen_reservation_lock. */
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