diff options
| author | Brian Gerst <[email protected]> | 2016-08-13 12:38:17 -0400 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2016-08-24 12:27:40 +0200 |
| commit | 163630191ecb0dd9e4146d3c910045aba1cfeec1 (patch) | |
| tree | 3a76093d2bb30e9df1d5c4fa102b35c4184dd69e | |
| parent | 4e047aa7f267c3449b6d323510d35864829aca70 (diff) | |
sched/x86/64, kgdb: Clear GDB_PS on 64-bit
switch_to() no longer saves EFLAGS, so it's bogus to look for it on the
stack. Set it to zero like 32-bit.
Signed-off-by: Brian Gerst <[email protected]>
Reviewed-by: Josh Poimboeuf <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Denys Vlasenko <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Jason Wessel <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
| -rw-r--r-- | arch/x86/kernel/kgdb.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c index fe649a5f509f..5e3f294ce264 100644 --- a/arch/x86/kernel/kgdb.c +++ b/arch/x86/kernel/kgdb.c @@ -176,7 +176,7 @@ void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p) gdb_regs[GDB_FS] = 0xFFFF; gdb_regs[GDB_GS] = 0xFFFF; #else - gdb_regs32[GDB_PS] = *(unsigned long *)(p->thread.sp + 8); + gdb_regs32[GDB_PS] = 0; gdb_regs32[GDB_CS] = __KERNEL_CS; gdb_regs32[GDB_SS] = __KERNEL_DS; gdb_regs[GDB_R8] = 0; |