Re: [PATCH v2] x86/lib/copy_user_64.S: Handle 4-byte nocache copy
* Borislav Petkov <bp(a)suse.de> wrote:
On Tue, Feb 09, 2016 at 12:27:32PM +0100, Ingo Molnar wrote:
> Btw., IIRC GAS is being silly about .L, i.e. there's a difference between these
> two variants:
>
> .Lerror_entry_from_usermode_swapgs:
> .L_error_entry_from_usermode_swapgs:
>
> the latter would be easier to read, but does not result in a local label last I
> checked.
>
> Right?
Seems to build ok here with "GNU assembler (GNU Binutils) 2.26.51.20151207".
Perhaps some bug with older gas...?
Hm, indeed - I just tried it too.
This means that the (slightly) more readable .L_ prefix is preferred.
Thanks,
Ingo