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authorLinus Torvalds <torvalds@linux-foundation.org>2022-08-04 15:31:09 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-08-04 15:31:09 -0700
commit995177a4c75ee9b9069d5a313d90c005cf89c1b2 (patch)
tree16b7631d371cef304b1a45a6b148ca1f94a99f04 /arch/arm/mm
parent7df9075e232e09d99cf23b657b6cb04c9506e618 (diff)
parentf2d3b9a46e0ed4742abaa00506b18bb2ca9179d8 (diff)
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm
Pull ARM updates from Russell King: "Not much this time around, the 5.20-rc1 development updates for arm are: - add KASAN support for vmalloc space on arm - some sparse fixes from Ben Dooks - rework amba device handling (so device addition isn't deferred)" * tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm: ARM: 9220/1: amba: Remove deferred device addition ARM: 9219/1: fix undeclared soft_restart ARM: 9218/1: dma-mapping: fix pointer/integer warning ARM: 9217/1: add definition of arch_irq_work_raise() ARM: 9203/1: kconfig: fix MODULE_PLTS for KASAN with KASAN_VMALLOC ARM: 9202/1: kasan: support CONFIG_KASAN_VMALLOC
Diffstat (limited to 'arch/arm/mm')
-rw-r--r--arch/arm/mm/dma-mapping.c2
-rw-r--r--arch/arm/mm/kasan_init.c6
2 files changed, 6 insertions, 2 deletions
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 059cce018570..1483b6a4319d 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -709,7 +709,7 @@ static void *__dma_alloc(struct device *dev, size_t size, dma_addr_t *handle,
*handle = DMA_MAPPING_ERROR;
allowblock = gfpflags_allow_blocking(gfp);
- cma = allowblock ? dev_get_cma_area(dev) : false;
+ cma = allowblock ? dev_get_cma_area(dev) : NULL;
if (cma)
buf->allocator = &cma_allocator;
diff --git a/arch/arm/mm/kasan_init.c b/arch/arm/mm/kasan_init.c
index 5ad0d6c56d56..29caee9c79ce 100644
--- a/arch/arm/mm/kasan_init.c
+++ b/arch/arm/mm/kasan_init.c
@@ -236,7 +236,11 @@ void __init kasan_init(void)
clear_pgds(KASAN_SHADOW_START, KASAN_SHADOW_END);
- kasan_populate_early_shadow(kasan_mem_to_shadow((void *)VMALLOC_START),
+ if (!IS_ENABLED(CONFIG_KASAN_VMALLOC))
+ kasan_populate_early_shadow(kasan_mem_to_shadow((void *)VMALLOC_START),
+ kasan_mem_to_shadow((void *)VMALLOC_END));
+
+ kasan_populate_early_shadow(kasan_mem_to_shadow((void *)VMALLOC_END),
kasan_mem_to_shadow((void *)-1UL) + 1);
for_each_mem_range(i, &pa_start, &pa_end) {