lkml.org 
[lkml]   [2021]   [Jan]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    From
    Date
    SubjectRe: [REGRESSION] x86/entry: TIF_SINGLESTEP handling is still broken
    On Sun, Jan 31, 2021 at 10:54 AM Yuxuan Shui <yshuiv7@gmail.com> wrote:
    >
    > But renaming the definition in x86 is not enough, as TIF_SINGLESTEP is
    > set in current_thread_info()->flags, and the same commit has removed the
    > code that checks those flags. We have to also migrate TIF_SINGLESTEP from
    > thread info flags to syscall work flags, to make the whole thing work again.

    Ok, so I now have the first fix merged, but what's the next step here?

    As you say, the x86 ARCH_SYSCALL_EXIT_WORK is now entirely unused.

    It's called ARCH_SYSCALL_WORK_EXIT these days, but that's for the
    SYSCALL_WORK_SYSCALL_xyz flags, not for the TIF_xyz ones.

    Revert? Or does somebody have a fix patch?

    Linus

    \
     
     \ /
      Last update: 2021-01-31 21:26    [W:5.182 / U:0.000 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site