[U-Boot] [PATCH] gunzip: cache-align write buffer memory
Clemens Gruber
clemens.gruber at pqgruber.com
Mon Oct 3 19:53:11 CEST 2016
On Mon, Aug 29, 2016 at 05:10:36PM +0200, Clemens Gruber wrote:
> When using gzwrite to eMMC on an i.MX6Q board, the following warning
> occurs repeatedly:
> CACHE: Misaligned operation at range [4fd63318, 4fe63318]
>
> This patch cache-aligns the memory allocation for the gzwrite writebuf,
> therefore avoiding the misaligned dcache flush and the warning from
> check_cache_range.
>
> Signed-off-by: Clemens Gruber <clemens.gruber at pqgruber.com>
> ---
> lib/gunzip.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/lib/gunzip.c b/lib/gunzip.c
> index bc746d6..832b306 100644
> --- a/lib/gunzip.c
> +++ b/lib/gunzip.c
> @@ -11,6 +11,7 @@
> #include <console.h>
> #include <image.h>
> #include <malloc.h>
> +#include <memalign.h>
> #include <u-boot/zlib.h>
> #include <div64.h>
>
> @@ -193,7 +194,7 @@ int gzwrite(unsigned char *src, int len,
>
> s.next_in = src + i;
> s.avail_in = payload_size+8;
> - writebuf = (unsigned char *)malloc(szwritebuf);
> + writebuf = (unsigned char *)malloc_cache_aligned(szwritebuf);
>
> /* decompress until deflate stream ends or end of file */
> do {
> --
> 2.9.3
>
Hi,
are there any blockers for this patch to get merged?
Thanks,
Clemens
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