Re: [RESEND PATCH v6 07/12] x86/fsgsbase/64: Introduce the FIND_PERCPU_BASE macro

From: Bae, Chang Seok
Date: Wed May 01 2019 - 09:53:10 EST



> On Mar 25, 2019, at 02:02, Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
>
> On Fri, 15 Mar 2019, Chang S. Bae wrote:
>
>> diff --git a/arch/x86/include/asm/inst.h b/arch/x86/include/asm/inst.h
>> index f5a796da07f8..d063841a17e3 100644
>> --- a/arch/x86/include/asm/inst.h
>> +++ b/arch/x86/include/asm/inst.h
>> @@ -306,6 +306,21 @@
>> .endif
>> MODRM 0xc0 movq_r64_xmm_opd1 movq_r64_xmm_opd2
>> .endm
>> +
>> +.macro RDPID opd
>
> So the update to require binutils >= 2.21 does not cover RDPID?
>

I can see RDPID support in 2.27 release. I wonder if we can even require >= 2.27
right now.

> Thanks,
>
> tglx