Merging upstream version 6.10.3.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 37 insertions, 29 deletions

diff --git a/arch/arm/mm/proc-arm925.S b/arch/arm/mm/proc-arm925.S
index 0bfad62ea8..035941faeb 100644
--- a/arch/arm/mm/proc-arm925.S
+++ b/arch/arm/mm/proc-arm925.S
@@ -37,6 +37,7 @@
 
 #include <linux/linkage.h>
 #include <linux/init.h>
+#include <linux/cfi_types.h>
 #include <linux/pgtable.h>
 #include <asm/assembler.h>
 #include <asm/hwcap.h>
@@ -71,18 +72,20 @@
 /*
  * cpu_arm925_proc_init()
  */
-ENTRY(cpu_arm925_proc_init)
+SYM_TYPED_FUNC_START(cpu_arm925_proc_init)
 	ret	lr
+SYM_FUNC_END(cpu_arm925_proc_init)
 
 /*
  * cpu_arm925_proc_fin()
  */
-ENTRY(cpu_arm925_proc_fin)
+SYM_TYPED_FUNC_START(cpu_arm925_proc_fin)
 	mrc	p15, 0, r0, c1, c0, 0		@ ctrl register
 	bic	r0, r0, #0x1000			@ ...i............
 	bic	r0, r0, #0x000e			@ ............wca.
 	mcr	p15, 0, r0, c1, c0, 0		@ disable caches
 	ret	lr
+SYM_FUNC_END(cpu_arm925_proc_fin)
 
 /*
  * cpu_arm925_reset(loc)
@@ -95,14 +98,14 @@ ENTRY(cpu_arm925_proc_fin)
  */
 	.align	5
 	.pushsection	.idmap.text, "ax"
-ENTRY(cpu_arm925_reset)
+SYM_TYPED_FUNC_START(cpu_arm925_reset)
 	/* Send software reset to MPU and DSP */
 	mov	ip, #0xff000000
 	orr	ip, ip, #0x00fe0000
 	orr	ip, ip, #0x0000ce00
 	mov	r4, #1
 	strh	r4, [ip, #0x10]
-ENDPROC(cpu_arm925_reset)
+SYM_FUNC_END(cpu_arm925_reset)
 	.popsection
 
 	mov	ip, #0
@@ -123,7 +126,7 @@ ENDPROC(cpu_arm925_reset)
  * Called with IRQs disabled
  */
 	.align	10
-ENTRY(cpu_arm925_do_idle)
+SYM_TYPED_FUNC_START(cpu_arm925_do_idle)
 	mov	r0, #0
 	mrc	p15, 0, r1, c1, c0, 0		@ Read control register
 	mcr	p15, 0, r0, c7, c10, 4		@ Drain write buffer
@@ -132,17 +135,18 @@ ENTRY(cpu_arm925_do_idle)
 	mcr	p15, 0, r0, c7, c0, 4		@ Wait for interrupt
 	mcr	p15, 0, r1, c1, c0, 0		@ Restore ICache enable
 	ret	lr
+SYM_FUNC_END(cpu_arm925_do_idle)
 
 /*
  *	flush_icache_all()
  *
  *	Unconditionally clean and invalidate the entire icache.
  */
-ENTRY(arm925_flush_icache_all)
+SYM_TYPED_FUNC_START(arm925_flush_icache_all)
 	mov	r0, #0
 	mcr	p15, 0, r0, c7, c5, 0		@ invalidate I cache
 	ret	lr
-ENDPROC(arm925_flush_icache_all)
+SYM_FUNC_END(arm925_flush_icache_all)
 
 /*
  *	flush_user_cache_all()
@@ -150,15 +154,14 @@ ENDPROC(arm925_flush_icache_all)
  *	Clean and invalidate all cache entries in a particular
  *	address space.
  */
-ENTRY(arm925_flush_user_cache_all)
-	/* FALLTHROUGH */
+SYM_FUNC_ALIAS(arm925_flush_user_cache_all, arm925_flush_kern_cache_all)
 
 /*
  *	flush_kern_cache_all()
  *
  *	Clean and invalidate the entire cache.
  */
-ENTRY(arm925_flush_kern_cache_all)
+SYM_TYPED_FUNC_START(arm925_flush_kern_cache_all)
 	mov	r2, #VM_EXEC
 	mov	ip, #0
 __flush_whole_cache:
@@ -175,6 +178,7 @@ __flush_whole_cache:
 	mcrne	p15, 0, ip, c7, c5, 0		@ invalidate I cache
 	mcrne	p15, 0, ip, c7, c10, 4		@ drain WB
 	ret	lr
+SYM_FUNC_END(arm925_flush_kern_cache_all)
 
 /*
  *	flush_user_cache_range(start, end, flags)
@@ -186,7 +190,7 @@ __flush_whole_cache:
  *	- end	- end address (exclusive)
  *	- flags	- vm_flags describing address space
  */
-ENTRY(arm925_flush_user_cache_range)
+SYM_TYPED_FUNC_START(arm925_flush_user_cache_range)
 	mov	ip, #0
 	sub	r3, r1, r0			@ calculate total size
 	cmp	r3, #CACHE_DLIMIT
@@ -212,6 +216,7 @@ ENTRY(arm925_flush_user_cache_range)
 	tst	r2, #VM_EXEC
 	mcrne	p15, 0, ip, c7, c10, 4		@ drain WB
 	ret	lr
+SYM_FUNC_END(arm925_flush_user_cache_range)
 
 /*
  *	coherent_kern_range(start, end)
@@ -223,8 +228,11 @@ ENTRY(arm925_flush_user_cache_range)
  *	- start	- virtual start address
  *	- end	- virtual end address
  */
-ENTRY(arm925_coherent_kern_range)
-	/* FALLTHROUGH */
+SYM_TYPED_FUNC_START(arm925_coherent_kern_range)
+#ifdef CONFIG_CFI_CLANG /* Fallthrough if !CFI */
+	b	arm925_coherent_user_range
+#endif
+SYM_FUNC_END(arm925_coherent_kern_range)
 
 /*
  *	coherent_user_range(start, end)
@@ -236,7 +244,7 @@ ENTRY(arm925_coherent_kern_range)
  *	- start	- virtual start address
  *	- end	- virtual end address
  */
-ENTRY(arm925_coherent_user_range)
+SYM_TYPED_FUNC_START(arm925_coherent_user_range)
 	bic	r0, r0, #CACHE_DLINESIZE - 1
 1:	mcr	p15, 0, r0, c7, c10, 1		@ clean D entry
 	mcr	p15, 0, r0, c7, c5, 1		@ invalidate I entry
@@ -246,6 +254,7 @@ ENTRY(arm925_coherent_user_range)
 	mcr	p15, 0, r0, c7, c10, 4		@ drain WB
 	mov	r0, #0
 	ret	lr
+SYM_FUNC_END(arm925_coherent_user_range)
 
 /*
  *	flush_kern_dcache_area(void *addr, size_t size)
@@ -256,7 +265,7 @@ ENTRY(arm925_coherent_user_range)
  *	- addr	- kernel address
  *	- size	- region size
  */
-ENTRY(arm925_flush_kern_dcache_area)
+SYM_TYPED_FUNC_START(arm925_flush_kern_dcache_area)
 	add	r1, r0, r1
 1:	mcr	p15, 0, r0, c7, c14, 1		@ clean+invalidate D entry
 	add	r0, r0, #CACHE_DLINESIZE
@@ -266,6 +275,7 @@ ENTRY(arm925_flush_kern_dcache_area)
 	mcr	p15, 0, r0, c7, c5, 0		@ invalidate I cache
 	mcr	p15, 0, r0, c7, c10, 4		@ drain WB
 	ret	lr
+SYM_FUNC_END(arm925_flush_kern_dcache_area)
 
 /*
  *	dma_inv_range(start, end)
@@ -324,7 +334,7 @@ arm925_dma_clean_range:
  *	- start	- virtual start address
  *	- end	- virtual end address
  */
-ENTRY(arm925_dma_flush_range)
+SYM_TYPED_FUNC_START(arm925_dma_flush_range)
 	bic	r0, r0, #CACHE_DLINESIZE - 1
 1:
 #ifndef CONFIG_CPU_DCACHE_WRITETHROUGH
@@ -337,6 +347,7 @@ ENTRY(arm925_dma_flush_range)
 	blo	1b
 	mcr	p15, 0, r0, c7, c10, 4		@ drain WB
 	ret	lr
+SYM_FUNC_END(arm925_dma_flush_range)
 
 /*
  *	dma_map_area(start, size, dir)
@@ -344,13 +355,13 @@ ENTRY(arm925_dma_flush_range)
  *	- size	- size of region
  *	- dir	- DMA direction
  */
-ENTRY(arm925_dma_map_area)
+SYM_TYPED_FUNC_START(arm925_dma_map_area)
 	add	r1, r1, r0
 	cmp	r2, #DMA_TO_DEVICE
 	beq	arm925_dma_clean_range
 	bcs	arm925_dma_inv_range
 	b	arm925_dma_flush_range
-ENDPROC(arm925_dma_map_area)
+SYM_FUNC_END(arm925_dma_map_area)
 
 /*
  *	dma_unmap_area(start, size, dir)
@@ -358,17 +369,11 @@ ENDPROC(arm925_dma_map_area)
  *	- size	- size of region
  *	- dir	- DMA direction
  */
-ENTRY(arm925_dma_unmap_area)
+SYM_TYPED_FUNC_START(arm925_dma_unmap_area)
 	ret	lr
-ENDPROC(arm925_dma_unmap_area)
-
-	.globl	arm925_flush_kern_cache_louis
-	.equ	arm925_flush_kern_cache_louis, arm925_flush_kern_cache_all
-
-	@ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S)
-	define_cache_functions arm925
+SYM_FUNC_END(arm925_dma_unmap_area)
 
-ENTRY(cpu_arm925_dcache_clean_area)
+SYM_TYPED_FUNC_START(cpu_arm925_dcache_clean_area)
 #ifndef CONFIG_CPU_DCACHE_WRITETHROUGH
 1:	mcr	p15, 0, r0, c7, c10, 1		@ clean D entry
 	add	r0, r0, #CACHE_DLINESIZE
@@ -377,6 +382,7 @@ ENTRY(cpu_arm925_dcache_clean_area)
 #endif
 	mcr	p15, 0, r0, c7, c10, 4		@ drain WB
 	ret	lr
+SYM_FUNC_END(cpu_arm925_dcache_clean_area)
 
 /* =============================== PageTable ============================== */
 
@@ -388,7 +394,7 @@ ENTRY(cpu_arm925_dcache_clean_area)
  * pgd: new page tables
  */
 	.align	5
-ENTRY(cpu_arm925_switch_mm)
+SYM_TYPED_FUNC_START(cpu_arm925_switch_mm)
 #ifdef CONFIG_MMU
 	mov	ip, #0
 #ifdef CONFIG_CPU_DCACHE_WRITETHROUGH
@@ -406,6 +412,7 @@ ENTRY(cpu_arm925_switch_mm)
 	mcr	p15, 0, ip, c8, c7, 0		@ invalidate I & D TLBs
 #endif
 	ret	lr
+SYM_FUNC_END(cpu_arm925_switch_mm)
 
 /*
  * cpu_arm925_set_pte_ext(ptep, pte, ext)
@@ -413,7 +420,7 @@ ENTRY(cpu_arm925_switch_mm)
  * Set a PTE and flush it out
  */
 	.align	5
-ENTRY(cpu_arm925_set_pte_ext)
+SYM_TYPED_FUNC_START(cpu_arm925_set_pte_ext)
 #ifdef CONFIG_MMU
 	armv3_set_pte_ext
 	mov	r0, r0
@@ -423,6 +430,7 @@ ENTRY(cpu_arm925_set_pte_ext)
 	mcr	p15, 0, r0, c7, c10, 4		@ drain WB
 #endif /* CONFIG_MMU */
 	ret	lr
+SYM_FUNC_END(cpu_arm925_set_pte_ext)
 
 	.type	__arm925_setup, #function
 __arm925_setup: