linux-kernel - [PATCH 05/12] x86: Refactor pack_gate for gate

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Message-Id: <a4c806abcf7a46c78aaff4e338fdbc1a06a56c88.1224903712.git.ice799@gmail.com>
Date:	Fri, 24 Oct 2008 20:15:25 -0700
From:	Joe Damato <ice799@...il.com>
To:	linux-x86_64@...r.kernel.org, linux-newbie@...r.kernel.org,
	kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	Joe Damato <ice799@...il.com>
Subject: [PATCH 05/12] x86: Refactor pack_gate for gate_desc

Rewrite pack_gate to use the newly add struct fields instead of bitmasks.

Signed-off-by: Joe Damato <ice799@...il.com>
---
 include/asm-x86/desc.h |   11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/include/asm-x86/desc.h b/include/asm-x86/desc.h
index f06adac..6b4f3e6 100644
--- a/include/asm-x86/desc.h
+++ b/include/asm-x86/desc.h
@@ -66,9 +66,14 @@ static inline void pack_gate(gate_desc *gate, unsigned char type,
 			     unsigned long base, unsigned dpl, unsigned flags,
 			     unsigned short seg)
 {
-	gate->a = (seg << 16) | (base & 0xffff);
-	gate->b = (base & 0xffff0000) |
-		  (((0x80 | type | (dpl << 5)) & 0xff) << 8);
+	gate->base0 = base & 0xffff;
+	gate->seg_sel = seg;
+	gate->reserved = 0;
+	gate->type = type;
+	gate->zero = 0;
+	gate->dpl = dpl;
+	gate->p = 1;
+	gate->base1 = (base >> 16) & 0xffff;
 }
 
 #endif
-- 
1.5.4.3

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