Messages in this thread Patch in this message | | | From | Brian Gerst <> | Subject | [PATCH v3 2/7] x86-64, kgdb: clear GDB_PS on 64-bit | Date | Sat, 13 Aug 2016 12:38:17 -0400 |
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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 <brgerst@gmail.com> --- arch/x86/kernel/kgdb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c index fe649a5..5e3f294 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; -- 2.5.5
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