x86, pebs: fix PEBS record size configuration

Impact: fix DS hw enablement on 64-bit x86

Fix the PEBS record size in the DS configuration.

Reported-by: Stephane Eranian <eranian@googlemail.com>
Signed-off-by: Markus Metzger <markus.t.metzger@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/kernel/ds.c b/arch/x86/kernel/ds.c
index 4c8d57ec96630898f5d1f21571224730821b9477..04e38ef646affce1b5e3472ca28efa55060bb2ed 100644 (file)
--- a/arch/x86/kernel/ds.c
+++ b/arch/x86/kernel/ds.c
@@ -816,13 +816,21 @@ static const struct ds_configuration ds_cfg_var = {
        .sizeof_ds    = sizeof(long) * 12,
        .sizeof_field = sizeof(long),
        .sizeof_rec[ds_bts]   = sizeof(long) * 3,
+#ifdef __i386__
        .sizeof_rec[ds_pebs]  = sizeof(long) * 10
+#else
+       .sizeof_rec[ds_pebs]  = sizeof(long) * 18
+#endif
 };
 static const struct ds_configuration ds_cfg_64 = {
        .sizeof_ds    = 8 * 12,
        .sizeof_field = 8,
        .sizeof_rec[ds_bts]   = 8 * 3,
+#ifdef __i386__
        .sizeof_rec[ds_pebs]  = 8 * 10
+#else
+       .sizeof_rec[ds_pebs]  = 8 * 18
+#endif
 };
 
 static inline void