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From 414f2ebe73192aeb2068ec1a989969cc6cfe5fcd Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 3 Jul 2009 08:43:59 -0500
Subject: [PATCH] highmem: atomic fix
commit 819ab1a56373f040d347411ee311980f295449b7 in tip.
CHECKME: really bogus? triggers on !PREEMPT_RT + highmem, 32-bit.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
---
mm/filemap.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/mm/filemap.c b/mm/filemap.c
index 140ebda..460f55c 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1868,7 +1868,7 @@ size_t iov_iter_copy_from_user_atomic(struct page *page,
char *kaddr;
size_t copied;
- BUG_ON(!in_atomic());
+// BUG_ON(!in_atomic());
kaddr = kmap_atomic(page, KM_USER0);
if (likely(i->nr_segs == 1)) {
int left;
--
1.7.0.4
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