WARNING: line over 80 characters
#37: FILE: src/arch/xtensa/smp/xtos/crt1-boards.S:179:
+#if XCHAL_HAVE_CACHEATTR || XCHAL_HAVE_MIMIC_CACHEATTR || XCHAL_HAVE_XLT_CACHEATTR \

WARNING: line over 80 characters
#39: FILE: src/arch/xtensa/smp/xtos/crt1-boards.S:181:
+	movi	a2, _memmap_cacheattr_reset	/* note: absolute symbol, not a ptr */

WARNING: line over 80 characters
#40: FILE: src/arch/xtensa/smp/xtos/crt1-boards.S:182:
+	cacheattr_set				/* set CACHEATTR from a2 (clobbers a3-a8) */

total: 0 errors, 3 warnings, 0 checks, 27 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

0001-arch-apply-cache-attributes-to-slave-cores.patch has style problems, please review.

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.