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authorBrian Gerst <bgerst@didntduck.org>2005-10-30 14:59:44 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2005-10-30 17:37:13 -0800
commitc53117815771e1e84e6ba80a42fa1f8e330adb4d (patch)
treee9227965e332a19575c066096c532cd2cba4c856 /arch/x86_64
parentdaedb82d6b54e58a66ad1dce3509e699a5bd1b18 (diff)
[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>
Diffstat (limited to 'arch/x86_64')
-rw-r--r--arch/x86_64/ia32/ia32_ioctl.c96
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 419758f19ca..0ad5cc33b45 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);