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authorSebastian Andrzej Siewior <bigeasy@linutronix.de>2025-02-18 10:14:11 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-03-13 12:53:15 +0100
commit469761d254160a91e90f2f950d623751731e1feb (patch)
tree7698c75db67bb6336820510ea8a3e764e90fbe99 /mm
parenta5f5e520e8fbc6294020ff8afa36f684d92c6e6a (diff)
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dma: kmsan: export kmsan_handle_dma() for modules
commit 19fac3c93991502a22c5132824c40b6a2e64b136 upstream. kmsan_handle_dma() is used by virtio_ring() which can be built as a module. kmsan_handle_dma() needs to be exported otherwise building the virtio_ring fails. Export kmsan_handle_dma for modules. Link: https://lkml.kernel.org/r/20250218091411.MMS3wBN9@linutronix.de Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202502150634.qjxwSeJR-lkp@intel.com/ Fixes: 7ade4f10779c ("dma: kmsan: unpoison DMA mappings") Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Alexander Potapenko <glider@google.com> Cc: Dmitriy Vyukov <dvyukov@google.com> Cc: Macro Elver <elver@google.com> Cc: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/kmsan/hooks.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/kmsan/hooks.c b/mm/kmsan/hooks.c
index ec0da72e65aa..091a263e053f 100644
--- a/mm/kmsan/hooks.c
+++ b/mm/kmsan/hooks.c
@@ -346,6 +346,7 @@ void kmsan_handle_dma(struct page *page, size_t offset, size_t size,
size -= to_go;
}
}
+EXPORT_SYMBOL_GPL(kmsan_handle_dma);
void kmsan_handle_dma_sg(struct scatterlist *sg, int nents,
enum dma_data_direction dir)