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authorSebastian Andrzej Siewior <bigeasy@linutronix.de>2025-02-18 10:14:11 +0100
committerAndrew Morton <akpm@linux-foundation.org>2025-03-05 21:36:14 -0800
commit19fac3c93991502a22c5132824c40b6a2e64b136 (patch)
treed3d0de549173116a111f5391295572642c23d3b3 /mm/kmsan
parent04ec365e3fdf136ba5f9053b02fb6c3368a22e83 (diff)
dma: kmsan: export kmsan_handle_dma() for modules
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>
Diffstat (limited to 'mm/kmsan')
-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 3ea50f09311f..3df45c25c1f6 100644
--- a/mm/kmsan/hooks.c
+++ b/mm/kmsan/hooks.c
@@ -357,6 +357,7 @@ 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)