From: "Michael S. Tsirkin" <mst@redhat.com>
To: netdev@vger.kernel.org,
virtualization@lists.linux-foundation.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org, mingo@elte.hu, linux-mm@kvack.org,
akpm@linux-founda
Subject: [PATCHv8 2/3] mm: export use_mm/unuse_mm to modules
Date: Wed, 4 Nov 2009 17:55:38 +0200 [thread overview]
Message-ID: <20091104155538.GC32673__15534.500583499$1257350340$gmane$org@redhat.com> (raw)
In-Reply-To: <cover.1257349249.git.mst@redhat.com>
vhost net module wants to do copy to/from user from a kernel thread,
which needs use_mm. Export it to modules.
Acked-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
mm/mmu_context.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/mm/mmu_context.c b/mm/mmu_context.c
index ded9081..0777654 100644
--- a/mm/mmu_context.c
+++ b/mm/mmu_context.c
@@ -5,6 +5,7 @@
#include <linux/mm.h>
#include <linux/mmu_context.h>
+#include <linux/module.h>
#include <linux/sched.h>
#include <asm/mmu_context.h>
@@ -37,6 +38,7 @@ void use_mm(struct mm_struct *mm)
if (active_mm != mm)
mmdrop(active_mm);
}
+EXPORT_SYMBOL_GPL(use_mm);
/*
* unuse_mm
@@ -56,3 +58,4 @@ void unuse_mm(struct mm_struct *mm)
enter_lazy_tlb(mm, tsk);
task_unlock(tsk);
}
+EXPORT_SYMBOL_GPL(unuse_mm);
--
1.6.5.2.143.g8cc62
next prev parent reply other threads:[~2009-11-04 15:55 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cover.1257349249.git.mst@redhat.com>
2009-11-04 15:55 ` [PATCHv8 1/3] tun: export underlying socket Michael S. Tsirkin
2009-11-04 15:55 ` Michael S. Tsirkin
2009-11-04 15:55 ` Michael S. Tsirkin
2009-11-04 15:55 ` Michael S. Tsirkin
2009-11-04 15:55 ` Michael S. Tsirkin [this message]
2009-11-04 15:55 ` [PATCHv8 2/3] mm: export use_mm/unuse_mm to modules Michael S. Tsirkin
2009-11-04 15:55 ` Michael S. Tsirkin
2009-11-04 15:55 ` Michael S. Tsirkin
2009-11-04 15:57 ` [PATCHv8 3/3] vhost_net: a kernel-level virtio server Michael S. Tsirkin
2009-11-04 15:57 ` Michael S. Tsirkin
2009-11-04 15:57 ` Michael S. Tsirkin
2009-11-04 15:57 ` Michael S. Tsirkin
2009-11-06 4:59 ` Rusty Russell
2009-11-06 4:59 ` Rusty Russell
2009-11-06 4:59 ` Rusty Russell
2009-11-08 11:35 ` Michael S. Tsirkin
2009-11-08 11:35 ` Michael S. Tsirkin
2009-11-09 6:17 ` Rusty Russell
2009-11-09 6:17 ` Rusty Russell
2009-11-09 6:17 ` Rusty Russell
2009-11-09 7:10 ` Michael S. Tsirkin
2009-11-09 7:10 ` Michael S. Tsirkin
2009-11-10 1:08 ` Rusty Russell
2009-11-10 1:08 ` Rusty Russell
2009-11-10 1:08 ` Rusty Russell
2009-11-09 7:10 ` Michael S. Tsirkin
2009-11-09 7:20 ` Michael S. Tsirkin
2009-11-09 7:20 ` Michael S. Tsirkin
2009-11-09 7:20 ` Michael S. Tsirkin
2009-11-09 11:55 ` Michael S. Tsirkin
2009-11-09 11:55 ` Michael S. Tsirkin
2009-11-09 11:55 ` Michael S. Tsirkin
2010-05-04 18:22 ` virtio: put last_used and last_avail index into ring itself Michael S. Tsirkin
2010-05-04 18:22 ` Michael S. Tsirkin
2010-05-06 0:52 ` Rusty Russell
2010-05-06 0:52 ` Rusty Russell
2010-05-06 0:52 ` Rusty Russell
2010-05-06 6:27 ` Michael S. Tsirkin
2010-05-06 6:27 ` Michael S. Tsirkin
2010-05-06 6:27 ` Michael S. Tsirkin
2010-05-07 3:05 ` Rusty Russell
2010-05-07 3:05 ` Rusty Russell
2010-05-07 3:05 ` Rusty Russell
2010-05-09 8:57 ` Michael S. Tsirkin
2010-05-09 8:57 ` Michael S. Tsirkin
2010-05-09 8:57 ` Michael S. Tsirkin
2010-05-10 3:11 ` Rusty Russell
2010-05-10 3:11 ` Rusty Russell
2010-05-10 3:11 ` Rusty Russell
2010-05-04 18:22 ` Michael S. Tsirkin
2009-11-08 11:35 ` [PATCHv8 3/3] vhost_net: a kernel-level virtio server Michael S. Tsirkin
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