--- zzzz-none-000/linux-4.19.183/arch/arm/mm/proc-v7.S	2021-03-24 10:07:39.000000000 +0000
+++ bcm63-7530ax-756/linux-4.19.183/arch/arm/mm/proc-v7.S	2023-06-28 08:54:18.000000000 +0000
@@ -545,13 +545,24 @@
 	.align	2
 __v7_setup_stack_ptr:
 	.word	PHYS_RELATIVE(__v7_setup_stack, .)
+#if defined(CONFIG_BCM_KF_ARM_BCM963XX)
+/* Placing the shared setup stack here to guarantee its place always in non-cacheable memory */
+__v7_setup_stack:
+	.space	4 * 7				@ 7 registers
+#endif
 ENDPROC(__v7_setup)
 
 	.bss
 	.align	2
+#if defined(CONFIG_BCM_KF_ARM_BCM963XX)
+/* Placing the shared setup stack (28 bytes) here will endup in cacheable memory.
+   Memory corruption to cache disabled core can happen, if that cache line (64 bytes)
+   get partially updated by cores running with cache enabled.
+*/
+#else
 __v7_setup_stack:
 	.space	4 * 7				@ 7 registers
-
+#endif
 	__INITDATA
 
 	.weak cpu_v7_bugs_init