X-Git-Url: http://git.cascardo.info/?p=cascardo%2Flinux.git;a=blobdiff_plain;f=arch%2Farm64%2Fkernel%2Fsleep.S;h=1bec41b5fda3917b2ed7583663a239f25c6126bf;hp=ccf79d849e0a89e8a0694d04c005f8508d590de3;hb=9f7d416c36124667c406978bcb39746589c35d7f;hpb=e476f94482fc20a23b7b33b3d8e50f1953f71828

diff --git a/arch/arm64/kernel/sleep.S b/arch/arm64/kernel/sleep.S
index ccf79d849e0a..1bec41b5fda3 100644
--- a/arch/arm64/kernel/sleep.S
+++ b/arch/arm64/kernel/sleep.S
@@ -73,10 +73,9 @@ ENTRY(__cpu_suspend_enter)
 	str	x2, [x0, #SLEEP_STACK_DATA_SYSTEM_REGS + CPU_CTX_SP]
 
 	/* find the mpidr_hash */
-	ldr	x1, =sleep_save_stash
-	ldr	x1, [x1]
+	ldr_l	x1, sleep_save_stash
 	mrs	x7, mpidr_el1
-	ldr	x9, =mpidr_hash
+	adr_l	x9, mpidr_hash
 	ldr	x10, [x9, #MPIDR_HASH_MASK]
 	/*
 	 * Following code relies on the struct mpidr_hash
@@ -95,36 +94,30 @@ ENTRY(__cpu_suspend_enter)
 	mov	x0, #1
 	ret
 ENDPROC(__cpu_suspend_enter)
-	.ltorg
 
+	.pushsection ".idmap.text", "ax"
 ENTRY(cpu_resume)
 	bl	el2_setup		// if in EL2 drop to EL1 cleanly
+	bl	__cpu_setup
 	/* enable the MMU early - so we can access sleep_save_stash by va */
-	adr_l	lr, __enable_mmu	/* __cpu_setup will return here */
-	adr_l	x27, _resume_switched	/* __enable_mmu will branch here */
-	adrp	x25, idmap_pg_dir
-	adrp	x26, swapper_pg_dir
-	b	__cpu_setup
-ENDPROC(cpu_resume)
-
-	.pushsection	".idmap.text", "ax"
-_resume_switched:
+	bl	__enable_mmu
 	ldr	x8, =_cpu_resume
 	br	x8
-ENDPROC(_resume_switched)
+ENDPROC(cpu_resume)
 	.ltorg
 	.popsection
 
 ENTRY(_cpu_resume)
 	mrs	x1, mpidr_el1
-	adrp	x8, mpidr_hash
-	add x8, x8, #:lo12:mpidr_hash // x8 = struct mpidr_hash phys address
-        /* retrieve mpidr_hash members to compute the hash */
+	adr_l	x8, mpidr_hash		// x8 = struct mpidr_hash virt address
+
+	/* retrieve mpidr_hash members to compute the hash */
 	ldr	x2, [x8, #MPIDR_HASH_MASK]
 	ldp	w3, w4, [x8, #MPIDR_HASH_SHIFTS]
 	ldp	w5, w6, [x8, #(MPIDR_HASH_SHIFTS + 8)]
 	compute_mpidr_hash x7, x3, x4, x5, x6, x1, x2
-        /* x7 contains hash index, let's use it to grab context pointer */
+
+	/* x7 contains hash index, let's use it to grab context pointer */
 	ldr_l	x0, sleep_save_stash
 	ldr	x0, [x0, x7, lsl #3]
 	add	x29, x0, #SLEEP_STACK_DATA_CALLEE_REGS
@@ -142,7 +135,7 @@ ENTRY(_cpu_resume)
 
 #ifdef CONFIG_KASAN
 	mov	x0, sp
-	bl	kasan_unpoison_remaining_stack
+	bl	kasan_unpoison_task_stack_below
 #endif
 
 	ldp	x19, x20, [x29, #16]