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-rw-r--r--arch/arm/mm/Kconfig2
-rw-r--r--arch/arm/mm/dma-mapping.c2
-rw-r--r--arch/arm/mm/init.c6
-rw-r--r--arch/arm/mm/pgd.c2
-rw-r--r--arch/arm/mm/proc-v7.S4
5 files changed, 12 insertions, 4 deletions
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index fcc1e628e05..9d30c6f804b 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -644,7 +644,7 @@ config ARM_THUMBEE
config SWP_EMULATE
bool "Emulate SWP/SWPB instructions"
- depends on CPU_V7
+ depends on CPU_V7 && !CPU_V6
select HAVE_PROC_CPU if PROC_FS
default y if SMP
help
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 6b48e0a3d7a..4771dba6144 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -577,7 +577,7 @@ EXPORT_SYMBOL(dma_map_sg);
* dma_unmap_sg - unmap a set of SG buffers mapped by dma_map_sg
* @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
* @sg: list of buffers
- * @nents: number of buffers to unmap (returned from dma_map_sg)
+ * @nents: number of buffers to unmap (same as was passed to dma_map_sg)
* @dir: DMA transfer direction (same as was passed to dma_map_sg)
*
* Unmap a set of streaming mode DMA translations. Again, CPU access
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 5164069ced4..cddd684364d 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -297,6 +297,12 @@ void __init arm_memblock_init(struct meminfo *mi, struct machine_desc *mdesc)
memblock_reserve(__pa(_stext), _end - _stext);
#endif
#ifdef CONFIG_BLK_DEV_INITRD
+ if (phys_initrd_size &&
+ memblock_is_region_reserved(phys_initrd_start, phys_initrd_size)) {
+ pr_err("INITRD: 0x%08lx+0x%08lx overlaps in-use memory region - disabling initrd\n",
+ phys_initrd_start, phys_initrd_size);
+ phys_initrd_start = phys_initrd_size = 0;
+ }
if (phys_initrd_size) {
memblock_reserve(phys_initrd_start, phys_initrd_size);
diff --git a/arch/arm/mm/pgd.c b/arch/arm/mm/pgd.c
index 93292a18cf7..709244c66fa 100644
--- a/arch/arm/mm/pgd.c
+++ b/arch/arm/mm/pgd.c
@@ -50,7 +50,7 @@ pgd_t *pgd_alloc(struct mm_struct *mm)
if (!new_pmd)
goto no_pmd;
- new_pte = pte_alloc_map(mm, new_pmd, 0);
+ new_pte = pte_alloc_map(mm, NULL, new_pmd, 0);
if (!new_pte)
goto no_pte;
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index b49fab21517..0c1172b56b4 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -159,7 +159,9 @@ ENTRY(cpu_v7_set_pte_ext)
tstne r1, #L_PTE_PRESENT
moveq r3, #0
- str r3, [r0, #2048]!
+ ARM( str r3, [r0, #2048]! )
+ THUMB( add r0, r0, #2048 )
+ THUMB( str r3, [r0] )
mcr p15, 0, r0, c7, c10, 1 @ flush_pte
#endif
mov pc, lr