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SubjectRe: [PATCH v3] EDAC, sb_edac: Remove VLA usage
On Tue, Mar 13, 2018 at 08:44:49AM -0500, Gustavo A. R. Silva wrote:
> In preparation to enabling -Wvla, remove VLA and replace it
> with a fixed-length array instead.
>
> Fixed as part of the directive to remove all VLAs from
> the kernel: https://lkml.org/lkml/2018/3/7/621
>
> Reviewed-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
> ---
> Changes in v3:
> - Update macro MAX_INTERLEAVE in order to avoid too long lines.
> This change is based on Mauro's feedback.
> - Update changelog with Mauro's Reviewed-by.
>
> Changes in v2:
> - Use macro max_t to compute the max of all three array sizes.
> This change is based on Borislav's feedback.
>
> drivers/edac/sb_edac.c | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c
> index 8721002..aff4778 100644
> --- a/drivers/edac/sb_edac.c
> +++ b/drivers/edac/sb_edac.c
> @@ -110,6 +110,11 @@ static const u32 knl_interleave_list[] = {
> 0xdc, 0xe4, 0xec, 0xf4, 0xfc, /* 15-19 */
> 0x104, 0x10c, 0x114, 0x11c, /* 20-23 */
> };
> +#define MAX_INTERLEAVE \
> + (max_t(unsigned int, ARRAY_SIZE(sbridge_interleave_list), \
> + max_t(unsigned int, ARRAY_SIZE(ibridge_interleave_list), \
> + ARRAY_SIZE(knl_interleave_list))))
> +
>
> struct interleave_pkg {
> unsigned char start;
> @@ -1899,7 +1904,7 @@ static int get_memory_error_data(struct mem_ctl_info *mci,
> int n_rir, n_sads, n_tads, sad_way, sck_xch;
> int sad_interl, idx, base_ch;
> int interleave_mode, shiftup = 0;
> - unsigned sad_interleave[pvt->info.max_interleave];

Where's the hunk removing ->max_interleave ?

--
Regards/Gruss,
Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.

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