On Fri, 10 Jan, at 05:29:05PM, Mark Salter wrote:
> There are a lot of places in the kernel which iterate through an
> EFI memory map. Most of these places use essentially the same
> for-loop code. This patch adds a for_each_efi_memory_desc()
> helper to clean up all of the existing duplicate code and avoid
> more in the future.
>
> Signed-off-by: Mark Salter <msalter@xxxxxxxxxx>
> ---
> include/linux/efi.h | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/include/linux/efi.h b/include/linux/efi.h
> index 11ce678..9dc5b05 100644
> --- a/include/linux/efi.h
> +++ b/include/linux/efi.h
> @@ -618,6 +618,12 @@ extern int efi_set_rtc_mmss(const struct timespec *now);
> extern void efi_reserve_boot_services(void);
> extern struct efi_memory_map memmap;
>
> +/* Iterate through an efi_memory_map */
> +#define for_each_efi_memory_desc(m, md) \
> + for ((md) = (m)->map; \
> + (md) <= (efi_memory_desc_t *)((m)->map_end - (m)->desc_size); \
> + (md) = (void *)(md) + (m)->desc_size)
> +
Err, what? I just picked up your previous patch ("x86/efi: Create memory
map iteration helper") which adds this chunk, and I didn't see a follow
up email telling me not to pick it up.
What's the plan?
--
Matt Fleming, Intel Open Source Technology Center
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