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Re: [PATCH] x86-64: Fix TLSDESC relaxation for x32

On 20.01.2020 15:55, H.J. Lu wrote:
> We need to support both sequences for x32.  For both GDesc -> IE/LE
> transitions,
> 
> 67 ff 10		call	*x@TLSCALL(%eax)
> 
> should relaxed to
> 
> 0f 1f 00		nopl	(%rax)

Since, like it is phrased here, the patch also uses this
unconditionally, I wonder if this is the best choice: Linux,
for example, has a number of cases where it wouldn't use
this NOP form even on 64-bit.

Jan
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