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From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org,tglx@linutronix.de,stable@vger.kernel.org,peterz@infradead.org,lkp@intel.com,glider@google.com,elver@google.com,dvyukov@google.com,bigeasy@linutronix.de,akpm@linux-foundation.org
Subject: [merged mm-hotfixes-stable] dma-kmsan-export-kmsan_handle_dma-for-modules.patch removed from -mm tree
Date: Wed, 05 Mar 2025 21:37:24 -0800	[thread overview]
Message-ID: <20250306053724.9DF85C4CEE4@smtp.kernel.org> (raw)


The quilt patch titled
     Subject: dma: kmsan: export kmsan_handle_dma() for modules
has been removed from the -mm tree.  Its filename was
     dma-kmsan-export-kmsan_handle_dma-for-modules.patch

This patch was dropped because it was merged into the mm-hotfixes-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Subject: dma: kmsan: export kmsan_handle_dma() for modules
Date: Tue, 18 Feb 2025 10:14:11 +0100

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>
---

 mm/kmsan/hooks.c |    1 +
 1 file changed, 1 insertion(+)

--- a/mm/kmsan/hooks.c~dma-kmsan-export-kmsan_handle_dma-for-modules
+++ a/mm/kmsan/hooks.c
@@ -357,6 +357,7 @@ void kmsan_handle_dma(struct page *page,
 		size -= to_go;
 	}
 }
+EXPORT_SYMBOL_GPL(kmsan_handle_dma);
 
 void kmsan_handle_dma_sg(struct scatterlist *sg, int nents,
 			 enum dma_data_direction dir)
_

Patches currently in -mm which might be from bigeasy@linutronix.de are

rcu-provide-a-static-initializer-for-hlist_nulls_head.patch
ucount-replace-get_ucounts_or_wrap-with-atomic_inc_not_zero.patch
ucount-use-rcu-for-ucounts-lookups.patch
ucount-use-rcuref_t-for-reference-counting.patch


             reply	other threads:[~2025-03-06  5:37 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-06  5:37 Andrew Morton [this message]
2025-03-11 16:58 ` [merged mm-hotfixes-stable] dma-kmsan-export-kmsan_handle_dma-for-modules.patch removed from -mm tree Alexander Potapenko

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