Re: [PATCH] x86/vdso: include generic __lshrdi3 in 32-bit vDSO

From: Peter Zijlstra
Date: Mon Mar 18 2019 - 04:59:40 EST


On Fri, Mar 15, 2019 at 04:18:31PM -0700, hpa@xxxxxxxxx wrote:
> Note: it is also probably no reason to use -Os/-Oz for the vdso.

Is anyone actually using -Os and CONFIG_CC_OPTIMIZE_FOR_SIZE ? I've been
staring at compiler output a lot lately and -Os really generates
atrocious crap.

That is, should we just get rid of it?