Message ID | 20220614141201.27886-1-stefan.herbrechtsmeier-oss@weidmueller.com |
---|---|
State | Accepted |
Commit | 77253c50ab5910bf72e1e868c86940c5a2bc7bb9 |
Delegated to: | Tom Rini |
Headers | show |
Series | spl: fit: Allocate buffers aligned to cache line size | expand |
On Tue, Jun 14, 2022 at 04:12:00PM +0200, Stefan Herbrechtsmeier wrote: > From: Stefan Herbrechtsmeier <stefan.herbrechtsmeier@weidmueller.com> > > Allocate memory for buffers at a cache-line boundary to avoid > misaligned buffer address for subsequent reads. This avoids an > additional sector-based memory copy in the fat file system driver: > > FAT: Misaligned buffer address (...) > > Signed-off-by: Stefan Herbrechtsmeier <stefan.herbrechtsmeier@weidmueller.com> Applied to u-boot/next, thanks!
diff --git a/common/spl/spl_fit.c b/common/spl/spl_fit.c index 1bbf824684..d61e1556ae 100644 --- a/common/spl/spl_fit.c +++ b/common/spl/spl_fit.c @@ -10,7 +10,7 @@ #include <gzip.h> #include <image.h> #include <log.h> -#include <malloc.h> +#include <memalign.h> #include <mapmem.h> #include <spl.h> #include <sysinfo.h> @@ -429,7 +429,9 @@ static int spl_fit_append_fdt(struct spl_image_info *spl_image, * depending on how the overlay is stored, so * don't fail yet if the allocation failed. */ - tmpbuffer = malloc(CONFIG_SPL_LOAD_FIT_APPLY_OVERLAY_BUF_SZ); + size_t size = CONFIG_SPL_LOAD_FIT_APPLY_OVERLAY_BUF_SZ; + + tmpbuffer = malloc_cache_aligned(size); if (!tmpbuffer) debug("%s: unable to allocate space for overlays\n", __func__); @@ -537,7 +539,7 @@ static void *spl_get_fit_load_buffer(size_t size) { void *buf; - buf = malloc(size); + buf = malloc_cache_aligned(size); if (!buf) { pr_err("Could not get FIT buffer of %lu bytes\n", (ulong)size); pr_err("\tcheck CONFIG_SYS_SPL_MALLOC_SIZE\n");