linux-kernel - [PATCH 7/7] UML - Eliminate floating point state from register file

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Date:	Thu, 23 Aug 2007 17:38:10 -0400
From:	Jeff Dike <jdike@...toit.com>
To:	Andrew Morton <akpm@...l.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	uml-devel <user-mode-linux-devel@...ts.sourceforge.net>
Subject: [PATCH 7/7] UML - Eliminate floating point state from register file

The floating point fields in the pt_regs register file aren't used, so
they are deleted.

Signed-off-by: Jeff Dike <jdike@...ux.intel.com>
--
 arch/um/include/sysdep-i386/ptrace.h   |    2 --
 arch/um/include/sysdep-x86_64/ptrace.h |    1 -
 2 files changed, 3 deletions(-)

Index: linux-2.6.22/arch/um/include/sysdep-i386/ptrace.h
===================================================================
--- linux-2.6.22.orig/arch/um/include/sysdep-i386/ptrace.h	2007-08-23 15:05:36.000000000 -0400
+++ linux-2.6.22/arch/um/include/sysdep-i386/ptrace.h	2007-08-23 15:17:14.000000000 -0400
@@ -54,8 +54,6 @@ extern int sysemu_supported;
 
 struct uml_pt_regs {
 	unsigned long gp[MAX_REG_NR];
-	unsigned long fp[HOST_FP_SIZE];
-	unsigned long xfp[HOST_XFP_SIZE];
 	struct faultinfo faultinfo;
 	long syscall;
 	int is_user;
Index: linux-2.6.22/arch/um/include/sysdep-x86_64/ptrace.h
===================================================================
--- linux-2.6.22.orig/arch/um/include/sysdep-x86_64/ptrace.h	2007-08-23 15:05:36.000000000 -0400
+++ linux-2.6.22/arch/um/include/sysdep-x86_64/ptrace.h	2007-08-23 15:17:39.000000000 -0400
@@ -86,7 +86,6 @@
 
 struct uml_pt_regs {
 	unsigned long gp[MAX_REG_NR];
-	unsigned long fp[HOST_FP_SIZE];
 	struct faultinfo faultinfo;
 	long syscall;
 	int is_user;
-
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