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Date: Wed, 6 Jul 2016 07:32:26 -0700 From: Andy Lutomirski <luto@...capital.net> To: Dmitry Safonov <dsafonov@...tuozzo.com>, Pedro Alves <palves@...hat.com> Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Dmitry Safonov <0x7f454c46@...il.com>, "linux-mm@...ck.org" <linux-mm@...ck.org>, Ingo Molnar <mingo@...hat.com>, Cyrill Gorcunov <gorcunov@...nvz.org>, xemul@...tuozzo.com, Oleg Nesterov <oleg@...hat.com>, Andy Lutomirski <luto@...nel.org>, X86 ML <x86@...nel.org> Subject: Re: [PATCHv2 5/6] x86/ptrace: down with test_thread_flag(TIF_IA32) On Wed, Jun 29, 2016 at 3:57 AM, Dmitry Safonov <dsafonov@...tuozzo.com> wrote: > As the task isn't executing at the moment of {GET,SET}REGS, > return regset that corresponds to code selector, rather than > value of TIF_IA32 flag. > I.e. if we ptrace i386 elf binary that has just changed it's > code selector to __USER_CS, than GET_REGS will return > full x86_64 register set. Pedro, I think this will cause gdb to be a little less broken than it is now. Am I right? Will this break anything? --Andy
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