linux-kernel - Re: [PATCH 1/2] arch/powerpc/kvm: kvmppc_hv

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Date:   Mon, 20 Feb 2023 12:35:09 +0530
From:   Sathvika Vasireddy <sv@...ux.ibm.com>
To:     Kautuk Consul <kconsul@...ux.vnet.ibm.com>
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        Michael Ellerman <mpe@...erman.id.au>,
        Nicholas Piggin <npiggin@...il.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        "Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>,
        Fabiano Rosas <farosas@...ux.ibm.com>,
        Alexey Kardashevskiy <aik@...abs.ru>,
        Sathvika Vasireddy <sv@...ux.ibm.com>
Subject: Re: [PATCH 1/2] arch/powerpc/kvm: kvmppc_hv_entry: remove .global
 scope

Hi Kautuk,

On 20/02/23 10:53, Kautuk Consul wrote:
> kvmppc_hv_entry isn't called from anywhere other than
> book3s_hv_rmhandlers.S itself. Removing .global scope for
> this function.
>
> Signed-off-by: Kautuk Consul <kconsul@...ux.vnet.ibm.com>
> ---
>   arch/powerpc/kvm/book3s_hv_rmhandlers.S | 1 -
>   1 file changed, 1 deletion(-)
>
> diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
> index acf80915f406..7e063fde7adc 100644
> --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
> +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
> @@ -502,7 +502,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S)
>    *                                                                            *
>    *****************************************************************************/
>   
> -.global kvmppc_hv_entry
>   kvmppc_hv_entry:
>   
>   	/* Required state:
I see the following objtool warning with this patch applied.
arch/powerpc/kvm/book3s_hv_rmhandlers.o: warning: objtool: .text+0x48: 
unannotated intra-function call

Annotating kvmppc_hv_entry symbol with SYM_FUNC_START_LOCAL and 
SYM_FUNC_END macros should help fix this warning.

Thanks,
Sathvika