On 2025/6/5 20:50, Roger Pau Monné wrote:
> On Mon, May 26, 2025 at 05:45:53PM +0800, Jiqian Chen wrote:
>> + }; \
>> + static vpci_capability_t *const finit##_entry \
>> + __used_section(".data.vpci") = &finit##_t
>
> IMO this should better use .rodata instead of .data.
Is below change correct?
+ static const vpci_capability_t *const finit##_entry \
+ __used_section(".rodata") = &finit##_t
> Not that it matters much in practice, as we place it in .rodata anyway. Note
> however you will have to move the placement of the VPCI_ARRAY in the
> linker script ahead of *(.rodata.*), otherwise that section match will
> consume the vPCI data.
I am sorry, how to move it ahead of *(.rodata.*) ?
Is below change correct?
diff --git a/xen/include/xen/xen.lds.h b/xen/include/xen/xen.lds.h
index 793d0e11450c..3817642135aa 100644
--- a/xen/include/xen/xen.lds.h
+++ b/xen/include/xen/xen.lds.h
@@ -188,7 +188,7 @@
#define VPCI_ARRAY \
. = ALIGN(POINTER_ALIGN); \
__start_vpci_array = .; \
- *(SORT(.data.vpci.*)) \
+ *(.rodata) \
__end_vpci_array = .;
>
>> +
>> +#define REGISTER_VPCI_CAP(cap, finit, fclean) \
>> + REGISTER_PCI_CAPABILITY(cap, finit, fclean, false)
>> +#define REGISTER_VPCI_EXTCAP(cap, finit, fclean) \
>> + REGISTER_PCI_CAPABILITY(cap, finit, fclean, true)
>
> Since you are modifying those, can use 4 spaces as indentation?
> There's no need to have such padding.
>
> Thanks, Roger.
--
Best regards,
Jiqian Chen.