提交 87e8407f 编写于 作者: M Markus Metzger 提交者: Ingo Molnar

x86, ptrace: add bts_struct size to status command

Return the size of bts_struct in the PTRACE_BTS_STATUS command.
Change types to u32.
Signed-off-by: NMarkus Metzger <markus.t.metzger@intel.com>
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
上级 58f6f6ea
......@@ -787,6 +787,8 @@ static int ptrace_bts_status(struct task_struct *child,
cfg.flags |= PTRACE_BTS_O_SCHED;
}
cfg.bts_size = sizeof(struct bts_struct);
if (copy_to_user(ucfg, &cfg, sizeof(cfg)))
return -EFAULT;
......
......@@ -81,16 +81,21 @@
#define PTRACE_SINGLEBLOCK 33 /* resume execution until next branch */
#ifndef __ASSEMBLY__
#include <asm/types.h>
/* configuration/status structure used in PTRACE_BTS_CONFIG and
PTRACE_BTS_STATUS commands.
*/
struct ptrace_bts_config {
/* requested or actual size of BTS buffer in bytes */
unsigned int size;
u32 size;
/* bitmask of below flags */
unsigned int flags;
u32 flags;
/* buffer overflow signal */
unsigned int signal;
u32 signal;
/* actual size of bts_struct in bytes */
u32 bts_size;
};
#endif
......
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