linux-kernel - [PATCH 4/4] KVM: Replace test_and_set_bit_le() in mark_page_dirty_in_slot() with set_bit

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Message-Id: <20120611213221.a48fc664.yoshikawa.takuya@oss.ntt.co.jp>
Date:	Mon, 11 Jun 2012 21:32:21 +0900
From:	Takuya Yoshikawa <yoshikawa.takuya@....ntt.co.jp>
To:	avi@...hat.com, mtosatti@...hat.com
Cc:	bhutchings@...arflare.com, grundler@...isc-linux.org,
	arnd@...db.de, linux-net-drivers@...arflare.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arch@...r.kernel.org, kvm@...r.kernel.org,
	takuya.yoshikawa@...il.com
Subject: [PATCH 4/4] KVM: Replace test_and_set_bit_le() in
 mark_page_dirty_in_slot() with set_bit_le()

From: Takuya Yoshikawa <yoshikawa.takuya@....ntt.co.jp>

Now that we have defined generic set_bit_le() we do not need to use
test_and_set_bit_le() for atomically setting a bit.

Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@....ntt.co.jp>
---
 virt/kvm/kvm_main.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 02cb440..560c502 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1485,8 +1485,7 @@ void mark_page_dirty_in_slot(struct kvm *kvm, struct kvm_memory_slot *memslot,
 	if (memslot && memslot->dirty_bitmap) {
 		unsigned long rel_gfn = gfn - memslot->base_gfn;
 
-		/* TODO: introduce set_bit_le() and use it */
-		test_and_set_bit_le(rel_gfn, memslot->dirty_bitmap);
+		set_bit_le(rel_gfn, memslot->dirty_bitmap);
 	}
 }
 
-- 
1.7.5.4

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