lkml.org 
[lkml]   [2023]   [Mar]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v3 1/2] arch/powerpc/kvm: kvmppc_hv_entry: remove .global scope
On 2023-03-27 19:19:37, Nicholas Piggin wrote:
> On Thu Mar 16, 2023 at 3:10 PM AEST, Kautuk Consul wrote:
> > kvmppc_hv_entry isn't called from anywhere other than
> > book3s_hv_rmhandlers.S itself. Removing .global scope for
> > this function and annotating it with SYM_INNER_LABEL.
> >
> > Signed-off-by: Kautuk Consul <kconsul@linux.vnet.ibm.com>
> > ---
> > arch/powerpc/kvm/book3s_hv_rmhandlers.S | 3 +--
> > 1 file changed, 1 insertion(+), 2 deletions(-)
> >
> > diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
> > index acf80915f406..b81ba4ee0521 100644
> > --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
> > +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
> > @@ -502,8 +502,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S)
> > * *
> > *****************************************************************************/
> >
> > -.global kvmppc_hv_entry
>
> I think this is okay.
>
> > -kvmppc_hv_entry:
> > +SYM_INNER_LABEL(kvmppc_hv_entry, SYM_L_LOCAL)
>
> The documentation for SYM_INNER_LABEL says it for labels inside a SYM
> function block, is that a problem? This is a function but doesn't have
> C calling convention, so asm annotation docs say that it should use
> SYM_CODE_START_LOCAL?
That is correct. Will create a v4 patch for this and send it.
>
> BTW. why don't our _GLOBAL() macros use these SYM annotations? I haven't
> really looked into them.
Not sure. Was mostly just concentrating on the kvmppc_hv_entry code.
>
> Thanks,
> Nick

\
 
 \ /
  Last update: 2023-03-27 11:28    [W:0.084 / U:0.240 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site