On 23.10.2023 11:56, Nicola Vetrini wrote:
> --- a/xen/arch/x86/include/asm/asm_defns.h
> +++ b/xen/arch/x86/include/asm/asm_defns.h
> @@ -31,6 +31,7 @@ asm ( "\t.equ CONFIG_INDIRECT_THUNK, "
>   * gets set up by the containing function.
>   */
>  #ifdef CONFIG_FRAME_POINTER
> +/* SAF-1-safe */
>  register unsigned long current_stack_pointer asm("rsp");
>  # define ASM_CALL_CONSTRAINT , "+r" (current_stack_pointer)
>  #else

SAF-1-safe is about symbols "used only by asm modules". This doesn't apply
to the declaration here.

> --- a/xen/arch/x86/setup.c
> +++ b/xen/arch/x86/setup.c
> @@ -75,6 +75,7 @@ static bool __initdata opt_invpcid = true;
>  boolean_param("invpcid", opt_invpcid);
>  bool __read_mostly use_invpcid;
>  
> +/* SAF-1-safe Only used in asm code and within this source file */
>  unsigned long __read_mostly cr4_pv32_mask;
>  
>  /* **** Linux config option: propagated to domain0. */
> @@ -147,12 +148,13 @@ cpumask_t __read_mostly cpu_present_map;
>  unsigned long __read_mostly xen_phys_start;
>  
>  char __section(".init.bss.stack_aligned") __aligned(STACK_SIZE)
> -    cpu0_stack[STACK_SIZE];
> +    cpu0_stack[STACK_SIZE]; /* SAF-1-safe Only used in asm code and below */

Wasn't it that such comments need to live on the earlier line?

Jan

Reply via email to