Re: [PATCH] chacha20-ssse3/avx2: satisfy stack validation 2.0

[Herbert Xu]

On Sun, Oct 08, 2017 at 10:50:53PM +0200, Jason A. Donenfeld wrote:
> The new stack validator in objdump doesn't like directly assigning r11
> to rsp, warning with something like:
> 
> warning: objtool: chacha20_4block_xor_ssse3()+0xa: unsupported stack pointer realignment
> warning: objtool: chacha20_8block_xor_avx2()+0x6: unsupported stack pointer realignment
> 
> This fixes things up to use code similar to gcc's DRAP register, so that
> objdump remains happy.
> 
> Signed-off-by: Jason A. Donenfeld <Jason@xxxxxxxxx>
> Fixes: baa41469a7b9 ("objtool: Implement stack validation 2.0")

Patch applied.  Thanks.
-- 
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