diff options
Diffstat (limited to 'arch/x86/mm/cpu_entry_area.c')
| -rw-r--r-- | arch/x86/mm/cpu_entry_area.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/arch/x86/mm/cpu_entry_area.c b/arch/x86/mm/cpu_entry_area.c index 6c2f1b76a0b6..42cd96e7d733 100644 --- a/arch/x86/mm/cpu_entry_area.c +++ b/arch/x86/mm/cpu_entry_area.c @@ -138,17 +138,13 @@ static void __init setup_cpu_entry_area(unsigned int cpu) pgprot_t tss_prot = PAGE_KERNEL_RO; #else /* - * On native 32-bit systems, the GDT cannot be read-only because + * On 32-bit systems, the GDT cannot be read-only because * our double fault handler uses a task gate, and entering through * a task gate needs to change an available TSS to busy. If the * GDT is read-only, that will triple fault. The TSS cannot be * read-only because the CPU writes to it on task switches. - * - * On Xen PV, the GDT must be read-only because the hypervisor - * requires it. */ - pgprot_t gdt_prot = boot_cpu_has(X86_FEATURE_XENPV) ? - PAGE_KERNEL_RO : PAGE_KERNEL; + pgprot_t gdt_prot = PAGE_KERNEL; pgprot_t tss_prot = PAGE_KERNEL; #endif |