Linux Virtualization - Jul 2018 - [PATCH] x86-64: use RIP-relative calls for paravirt indirect ones

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Juergen Gross

2018-Jul-02 13:53 UTC

[PATCH] x86-64: use RIP-relative calls for paravirt indirect ones

On 25/06/18 12:29, Jan Beulich wrote:> This saves one insn byte per instance, summing up to a savings of over
> 4k in my (stripped down) configuration. No variant of to be patched in
> replacement code relies on the one byte larger size.
> 
> Signed-off-by: Jan Beulich <jbeulich at suse.com>
Reviewed-by: Juergen Gross <jgross at suse.com>


Juergen

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