* Thomas Garnier <[email protected]> wrote:
> >> */
> >> - cmpq $.Lentry_SYSCALL_64_after_fastpath_call, (%rsp)
> >> + leaq .Lentry_SYSCALL_64_after_fastpath_call(%rip), %r11
> >> + cmpq %r11, (%rsp)
> >> jne 1f
> > This patch seems to add extra overhead to the syscall fast-path even when
> > PIE is
> > disabled, right?
>
> It does add extra instructions when one is not possible, I preferred
> that over ifdefing but I can change it.
So my problem is, this pattern repeats in many other places as well, but
sprinking
various pieces of assembly code with #ifdefs would be very bad as well.
I have no good idea how to solve this.
Thanks,
Ingo
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