From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Vrabel Subject: [PATCH 3/4] x86: add desc_equal() to compare GDT descriptors Date: Mon, 9 Jul 2012 11:39:07 +0100 Message-ID: <1341830348-15529-4-git-send-email-david.vrabel@citrix.com> References: <1341830348-15529-1-git-send-email-david.vrabel@citrix.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1341830348-15529-1-git-send-email-david.vrabel@citrix.com> Sender: linux-kernel-owner@vger.kernel.org To: xen-devel@lists.xensource.com Cc: David Vrabel , Konrad Rzeszutek Wilk , x86@kernel.org, "H. Peter Anvin" , linux-kernel@vger.kernel.org List-Id: xen-devel@lists.xenproject.org From: David Vrabel Signed-off-by: David Vrabel --- arch/x86/include/asm/desc.h | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h index 8bf1c06..d26f059 100644 --- a/arch/x86/include/asm/desc.h +++ b/arch/x86/include/asm/desc.h @@ -85,6 +85,12 @@ static inline int desc_empty(const void *ptr) return !(desc[0] | desc[1]); } +static inline bool desc_equal(const struct desc_struct *d1, + const struct desc_struct *d2) +{ + return d1->a == d2->a && d1->b == d2->b; +} + #ifdef CONFIG_PARAVIRT #include #else -- 1.7.2.5