Remove some unused helper code. Also, get rid of the redundant permission
request.
Signed-off-by: Chang S. Bae <chang.seok.bae@xxxxxxxxx>
Cc: Shuah Khan <shuah@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: linux-kselftest@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
Changes from v2:
* Add as a new patch
---
tools/testing/selftests/x86/amx.c | 20 --------------------
1 file changed, 20 deletions(-)
diff --git a/tools/testing/selftests/x86/amx.c b/tools/testing/selftests/x86/amx.c
index f0b1efe89ef7..854f7d61be89 100644
--- a/tools/testing/selftests/x86/amx.c
+++ b/tools/testing/selftests/x86/amx.c
@@ -39,16 +39,6 @@ struct xsave_buffer {
};
};
-static inline uint64_t xgetbv(uint32_t index)
-{
- uint32_t eax, edx;
-
- asm volatile("xgetbv;"
- : "=a" (eax), "=d" (edx)
- : "c" (index));
- return eax + ((uint64_t)edx << 32);
-}
-
static inline void xsave(struct xsave_buffer *xbuf, uint64_t rfbm)
{
uint32_t rfbm_lo = rfbm;
@@ -110,8 +100,6 @@ static struct {
#define CPUID_LEAF_XSTATE 0xd
#define CPUID_SUBLEAF_XSTATE_USER 0x0
-#define TILE_CPUID 0x1d
-#define TILE_PALETTE_ID 0x1
static void check_cpuid_xtiledata(void)
{
@@ -161,12 +149,6 @@ static inline void clear_xstate_header(struct xsave_buffer *buffer)
memset(&buffer->header, 0, sizeof(buffer->header));
}
-static inline uint64_t get_xstatebv(struct xsave_buffer *buffer)
-{
- /* XSTATE_BV is at the beginning of the header: */
- return *(uint64_t *)&buffer->header;
-}
-
static inline void set_xstatebv(struct xsave_buffer *buffer, uint64_t bv)
{
/* XSTATE_BV is at the beginning of the header: */
@@ -769,8 +751,6 @@ static void test_context_switch(void)
/* Affinitize to one CPU to force context switches */
affinitize_cpu0();
- req_xtiledata_perm();
-
printf("[RUN]\tCheck tiledata context switches, %d iterations, %d threads.\n",
ctxtswtest_config.iterations,
ctxtswtest_config.num_threads);
--
2.17.1
