Re: [Xen-devel] [PATCH 3/4] xen: Drop raw_smp_processor_id()

[Julien Grall <julien@xxxxxxx>]

On 20/03/2020 21:24, Andrew Cooper wrote:
> There is only a single user of raw_smp_processor_id() left in the tree (and it
> is unconditionally compiled out).  Drop the alias from all architectures.
>
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Acked-by: Julien Grall <jgrall@xxxxxxxxxx>

Cheers,

> ---
> CC: Jan Beulich <JBeulich@xxxxxxxx>
> CC: Wei Liu <wl@xxxxxxx>
> CC: Roger Pau Monné <roger.pau@xxxxxxxxxx>
> CC: Stefano Stabellini <sstabellini@xxxxxxxxxx>
> CC: Julien Grall <julien@xxxxxxx>
> CC: Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
> ---
>   xen/arch/x86/cpu/microcode/amd.c | 2 +-
>   xen/include/asm-arm/smp.h        | 2 +-
>   xen/include/asm-x86/smp.h        | 2 +-
>   xen/include/xen/smp.h            | 2 --
>   4 files changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/xen/arch/x86/cpu/microcode/amd.c b/xen/arch/x86/cpu/microcode/amd.c
> index a053e43923..0998a36b5c 100644
> --- a/xen/arch/x86/cpu/microcode/amd.c
> +++ b/xen/arch/x86/cpu/microcode/amd.c
> @@ -306,7 +306,7 @@ static int get_ucode_from_buffer_amd(
>       memcpy(mc_amd->mpb, mpbuf->data, mpbuf->len);
>   
>       pr_debug("microcode: CPU%d size %zu, block size %u offset %zu equivID %#x rev %#x\n",
> -             raw_smp_processor_id(), bufsize, mpbuf->len, *offset,
> +             smp_processor_id(), bufsize, mpbuf->len, *offset,
>                ((struct microcode_header_amd *)mc_amd->mpb)->processor_rev_id,
>                ((struct microcode_header_amd *)mc_amd->mpb)->patch_id);
>   
> diff --git a/xen/include/asm-arm/smp.h b/xen/include/asm-arm/smp.h
> index fdbcefa241..af5a2fe652 100644
> --- a/xen/include/asm-arm/smp.h
> +++ b/xen/include/asm-arm/smp.h
> @@ -12,7 +12,7 @@ DECLARE_PER_CPU(cpumask_var_t, cpu_core_mask);
>   
>   #define cpu_is_offline(cpu) unlikely(!cpu_online(cpu))
>   
> -#define raw_smp_processor_id() (get_processor_id())
> +#define smp_processor_id() get_processor_id()
>   
>   /*
>    * Do we, for platform reasons, need to actually keep CPUs online when we
> diff --git a/xen/include/asm-x86/smp.h b/xen/include/asm-x86/smp.h
> index 6150363655..f7485f602e 100644
> --- a/xen/include/asm-x86/smp.h
> +++ b/xen/include/asm-x86/smp.h
> @@ -53,7 +53,7 @@ int cpu_add(uint32_t apic_id, uint32_t acpi_id, uint32_t pxm);
>    * from the initial startup. We map APIC_BASE very early in page_setup(),
>    * so this is correct in the x86 case.
>    */
> -#define raw_smp_processor_id() (get_processor_id())
> +#define smp_processor_id() get_processor_id()
>   
>   void __stop_this_cpu(void);
>   
> diff --git a/xen/include/xen/smp.h b/xen/include/xen/smp.h
> index a64c9b3882..d5a3644611 100644
> --- a/xen/include/xen/smp.h
> +++ b/xen/include/xen/smp.h
> @@ -65,8 +65,6 @@ void smp_call_function_interrupt(void);
>   
>   void smp_send_call_function_mask(const cpumask_t *mask);
>   
> -#define smp_processor_id() raw_smp_processor_id()
> -
>   int alloc_cpu_id(void);
>   
>   extern void *stack_base[NR_CPUS];
--
Julien Grall

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