[PATCH] Clean up mtrr compat ioctl code

Handle 32-bit mtrr ioctls in the mtrr driver instead of the ia32
compatability layer.

Signed-off-by: Brian Gerst <bgerst@didntduck.org>
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 0 insertions, 96 deletions

diff --git a/arch/x86_64/ia32/ia32_ioctl.c b/arch/x86_64/ia32/ia32_ioctl.c
index 419758f19ca4..0ad5cc33b45a 100644
--- a/arch/x86_64/ia32/ia32_ioctl.c
+++ b/arch/x86_64/ia32/ia32_ioctl.c
@@ -12,7 +12,6 @@
 #define INCLUDES
 #include <linux/syscalls.h>
 #include "compat_ioctl.c"
-#include <asm/mtrr.h>
 #include <asm/ia32.h>
 
 #define CODE
@@ -85,90 +84,6 @@ static int rtc32_ioctl(unsigned fd, unsigned cmd, unsigned long arg)
 	return sys_ioctl(fd,cmd,arg); 
 } 
 
-/* /proc/mtrr ioctls */
-
-
-struct mtrr_sentry32
-{
-    compat_ulong_t base;    /*  Base address     */
-    compat_uint_t size;    /*  Size of region   */
-    compat_uint_t type;     /*  Type of region   */
-};
-
-struct mtrr_gentry32
-{
-    compat_ulong_t regnum;   /*  Register number  */
-    compat_uint_t base;    /*  Base address     */
-    compat_uint_t size;    /*  Size of region   */
-    compat_uint_t type;     /*  Type of region   */
-};
-
-#define	MTRR_IOCTL_BASE	'M'
-
-#define MTRRIOC32_ADD_ENTRY        _IOW(MTRR_IOCTL_BASE,  0, struct mtrr_sentry32)
-#define MTRRIOC32_SET_ENTRY        _IOW(MTRR_IOCTL_BASE,  1, struct mtrr_sentry32)
-#define MTRRIOC32_DEL_ENTRY        _IOW(MTRR_IOCTL_BASE,  2, struct mtrr_sentry32)
-#define MTRRIOC32_GET_ENTRY        _IOWR(MTRR_IOCTL_BASE, 3, struct mtrr_gentry32)
-#define MTRRIOC32_KILL_ENTRY       _IOW(MTRR_IOCTL_BASE,  4, struct mtrr_sentry32)
-#define MTRRIOC32_ADD_PAGE_ENTRY   _IOW(MTRR_IOCTL_BASE,  5, struct mtrr_sentry32)
-#define MTRRIOC32_SET_PAGE_ENTRY   _IOW(MTRR_IOCTL_BASE,  6, struct mtrr_sentry32)
-#define MTRRIOC32_DEL_PAGE_ENTRY   _IOW(MTRR_IOCTL_BASE,  7, struct mtrr_sentry32)
-#define MTRRIOC32_GET_PAGE_ENTRY   _IOWR(MTRR_IOCTL_BASE, 8, struct mtrr_gentry32)
-#define MTRRIOC32_KILL_PAGE_ENTRY  _IOW(MTRR_IOCTL_BASE,  9, struct mtrr_sentry32)
-
-
-static int mtrr_ioctl32(unsigned int fd, unsigned int cmd, unsigned long arg)
-{ 
-	struct mtrr_gentry g;
-	struct mtrr_sentry s;
-	int get = 0, err = 0; 
-	struct mtrr_gentry32 __user *g32 = (struct mtrr_gentry32 __user *)arg; 
-	mm_segment_t oldfs = get_fs(); 
-
-	switch (cmd) { 
-#define SET(x) case MTRRIOC32_ ## x ## _ENTRY: cmd = MTRRIOC_ ## x ## _ENTRY; break 
-#define GET(x) case MTRRIOC32_ ## x ## _ENTRY: cmd = MTRRIOC_ ## x ## _ENTRY; get=1; break
-		SET(ADD);
-		SET(SET); 
-		SET(DEL);
-		GET(GET); 
-		SET(KILL);
-		SET(ADD_PAGE); 
-		SET(SET_PAGE); 
-		SET(DEL_PAGE); 
-		GET(GET_PAGE); 
-		SET(KILL_PAGE); 
-	} 
-	
-	if (get) { 
-		err = get_user(g.regnum, &g32->regnum);
-		err |= get_user(g.base, &g32->base);
-		err |= get_user(g.size, &g32->size);
-		err |= get_user(g.type, &g32->type); 
-
-		arg = (unsigned long)&g; 
-	} else { 
-		struct mtrr_sentry32 __user *s32 = (struct mtrr_sentry32 __user *)arg;
-		err = get_user(s.base, &s32->base);
-		err |= get_user(s.size, &s32->size);
-		err |= get_user(s.type, &s32->type);
-
-		arg = (unsigned long)&s; 
-	} 
-	if (err) return err;
-	
-	set_fs(KERNEL_DS); 
-	err = sys_ioctl(fd, cmd, arg); 
-	set_fs(oldfs); 
-		
-	if (!err && get) { 
-		err = put_user(g.base, &g32->base);
-		err |= put_user(g.size, &g32->size);
-		err |= put_user(g.regnum, &g32->regnum);
-		err |= put_user(g.type, &g32->type); 
-	} 
-	return err;
-} 
 
 #define HANDLE_IOCTL(cmd,handler) { (cmd), (ioctl_trans_handler_t)(handler) }, 
 #define COMPATIBLE_IOCTL(cmd) HANDLE_IOCTL(cmd,sys_ioctl)
@@ -193,17 +108,6 @@ HANDLE_IOCTL(RTC_IRQP_SET32, rtc32_ioctl)
 HANDLE_IOCTL(RTC_EPOCH_READ32, rtc32_ioctl)
 HANDLE_IOCTL(RTC_EPOCH_SET32, rtc32_ioctl)
 /* take care of sizeof(sizeof()) breakage */
-/* mtrr */
-HANDLE_IOCTL(MTRRIOC32_ADD_ENTRY, mtrr_ioctl32)
-HANDLE_IOCTL(MTRRIOC32_SET_ENTRY, mtrr_ioctl32)
-HANDLE_IOCTL(MTRRIOC32_DEL_ENTRY, mtrr_ioctl32)
-HANDLE_IOCTL(MTRRIOC32_GET_ENTRY, mtrr_ioctl32)
-HANDLE_IOCTL(MTRRIOC32_KILL_ENTRY, mtrr_ioctl32)
-HANDLE_IOCTL(MTRRIOC32_ADD_PAGE_ENTRY, mtrr_ioctl32)
-HANDLE_IOCTL(MTRRIOC32_SET_PAGE_ENTRY, mtrr_ioctl32)
-HANDLE_IOCTL(MTRRIOC32_DEL_PAGE_ENTRY, mtrr_ioctl32)
-HANDLE_IOCTL(MTRRIOC32_GET_PAGE_ENTRY, mtrr_ioctl32)
-HANDLE_IOCTL(MTRRIOC32_KILL_PAGE_ENTRY, mtrr_ioctl32)
 }; 
 
 int ioctl_table_size = ARRAY_SIZE(ioctl_start);