From 59290362da587ce2e6d2f4a7f85e362fa2d7fd39 Mon Sep 17 00:00:00 2001 From: David Vrabel Date: Mon, 9 Jul 2012 11:39:07 +0100 Subject: [PATCH] xen/x86: add desc_equal() to compare GDT descriptors Signed-off-by: David Vrabel [v1: Moving it to the Xen file] Signed-off-by: Konrad Rzeszutek Wilk --- arch/x86/xen/enlighten.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 0c1ab43f6672..225ffdc3c4ca 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -539,6 +539,12 @@ static void __init xen_load_gdt_boot(const struct desc_ptr *dtr) BUG(); } +static inline bool desc_equal(const struct desc_struct *d1, + const struct desc_struct *d2) +{ + return d1->a == d2->a && d1->b == d2->b; +} + static void load_TLS_descriptor(struct thread_struct *t, unsigned int cpu, unsigned int i) { -- 2.20.1