From 557962a926c62a9c4bd79d6b36df873d4f8c51ef Mon Sep 17 00:00:00 2001 From: Stas Sergeev Date: Sun, 1 Jan 2006 04:18:52 +0300 Subject: [PATCH] [PATCH] x86: teach dump_task_regs() about the -8 offset. This should fix multi-threaded core-files Signed-off-by: stsp@aknet.ru Signed-off-by: Linus Torvalds --- arch/i386/kernel/process.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c index df6c2bcde067..2333aead0563 100644 --- a/arch/i386/kernel/process.c +++ b/arch/i386/kernel/process.c @@ -554,7 +554,9 @@ int dump_task_regs(struct task_struct *tsk, elf_gregset_t *regs) struct pt_regs ptregs; ptregs = *(struct pt_regs *) - ((unsigned long)tsk->thread_info+THREAD_SIZE - sizeof(ptregs)); + ((unsigned long)tsk->thread_info + + /* see comments in copy_thread() about -8 */ + THREAD_SIZE - sizeof(ptregs) - 8); ptregs.xcs &= 0xffff; ptregs.xds &= 0xffff; ptregs.xes &= 0xffff; -- 2.20.1