[PATCH] AArch64: Align ENTRY to a cacheline

Szabolcs Nagy szabolcs.nagy@arm.com
Wed Jul 15 08:15:38 GMT 2020


The 07/14/2020 16:16, Carlos O'Donell wrote:
> On 7/14/20 12:17 PM, Wilco Dijkstra wrote:
> > Given almost all uses of ENTRY are for string/memory functions,
> > align ENTRY to a cacheline to simplify things.
> > 
> > OK for commit?
> 
> It's OK for 2.32 if Szabolcs says OK.

thanks.
this is ok to commit.

>  
> > ---
> > diff --git a/sysdeps/aarch64/sysdep.h b/sysdeps/aarch64/sysdep.h
> > index ae269146e3a5eafa563ec53f2d6f45bbef84d444..2d802db00834ed521ffc3d7e7016f1ee161caf7b 100644
> > --- a/sysdeps/aarch64/sysdep.h
> > +++ b/sysdeps/aarch64/sysdep.h
> > @@ -98,7 +98,7 @@ GNU_PROPERTY (FEATURE_1_AND, FEATURE_1_BTI)
> >  #define ENTRY(name)						\
> >    .globl C_SYMBOL_NAME(name);					\
> >    .type C_SYMBOL_NAME(name),%function;				\
> > -  .align 4;							\
> > +  .p2align 6;							\
> >    C_LABEL(name)							\
> >    cfi_startproc;						\
> >    BTI_C;							\
> > 
> > 
> 
> 
> -- 
> Cheers,
> Carlos.
> 


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