Re: [PATCH] uprobes/x86: fix detection of 32-bit user mode
From: Andy Lutomirski
Date: Fri Aug 23 2019 - 19:57:21 EST
> On Aug 23, 2019, at 4:44 PM, Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
>> On Sat, 24 Aug 2019, Thomas Gleixner wrote:
>>> On Sun, 28 Jul 2019, Sebastian Mayr wrote:
>>> -static inline int sizeof_long(void)
>>> +static inline int sizeof_long(struct pt_regs *regs)
>>> - return in_ia32_syscall() ? 4 : 8;
>> This wants a comment.
>>> + return user_64bit_mode(regs) ? 8 : 4;
> The more simpler one liner is to check
I still want to finish killing TIF_IA32 some day. Letâs please not add new users.