linux-kernel - [PATCH 04/13] KVM: remove unnecessary arg from mark_page_dirty_in

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Message-Id: <1430393772-27208-5-git-send-email-pbonzini@redhat.com>
Date:	Thu, 30 Apr 2015 13:36:03 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Cc:	rkrcmar@...hat.com, bsd@...hat.com, guangrong.xiao@...ux.intel.com,
	Yang Zhang <yang.z.zhang@...el.com>, wanpeng.li@...ux.intel.com
Subject: [PATCH 04/13] KVM: remove unnecessary arg from mark_page_dirty_in_slot, export it

Reviewed-by: Marcelo Tosatti <mtosatti@...hat.com>
Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>
---
 include/linux/kvm_host.h |  1 +
 virt/kvm/kvm_main.c      | 14 ++++++--------
 2 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 647ad05b05af..1edb63dbdead 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -572,6 +572,7 @@ struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn);
 int kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn);
 unsigned long kvm_host_page_size(struct kvm *kvm, gfn_t gfn);
 void mark_page_dirty(struct kvm *kvm, gfn_t gfn);
+void mark_page_dirty_in_slot(struct kvm_memory_slot *memslot, gfn_t gfn);
 
 void kvm_vcpu_block(struct kvm_vcpu *vcpu);
 void kvm_vcpu_kick(struct kvm_vcpu *vcpu);
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 3382de0302a0..e82c46b9860f 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -103,8 +103,6 @@ static void hardware_disable_all(void);
 static void kvm_io_bus_destroy(struct kvm_io_bus *bus);
 
 static void kvm_release_pfn_dirty(pfn_t pfn);
-static void mark_page_dirty_in_slot(struct kvm *kvm,
-				    struct kvm_memory_slot *memslot, gfn_t gfn);
 
 __visible bool kvm_rebooting;
 EXPORT_SYMBOL_GPL(kvm_rebooting);
@@ -1590,7 +1588,7 @@ int kvm_write_guest_page(struct kvm *kvm, gfn_t gfn, const void *data,
 	r = __copy_to_user((void __user *)addr + offset, data, len);
 	if (r)
 		return -EFAULT;
-	mark_page_dirty_in_slot(kvm, memslot, gfn);
+	mark_page_dirty_in_slot(memslot, gfn);
 	return 0;
 }
 EXPORT_SYMBOL_GPL(kvm_write_guest_page);
@@ -1673,7 +1671,7 @@ int kvm_write_guest_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
 	r = __copy_to_user((void __user *)ghc->hva, data, len);
 	if (r)
 		return -EFAULT;
-	mark_page_dirty_in_slot(kvm, ghc->memslot, ghc->gpa >> PAGE_SHIFT);
+	mark_page_dirty_in_slot(ghc->memslot, ghc->gpa >> PAGE_SHIFT);
 
 	return 0;
 }
@@ -1731,9 +1729,8 @@ int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len)
 }
 EXPORT_SYMBOL_GPL(kvm_clear_guest);
 
-static void mark_page_dirty_in_slot(struct kvm *kvm,
-				    struct kvm_memory_slot *memslot,
-				    gfn_t gfn)
+void mark_page_dirty_in_slot(struct kvm_memory_slot *memslot,
+			      gfn_t gfn)
 {
 	if (memslot && memslot->dirty_bitmap) {
 		unsigned long rel_gfn = gfn - memslot->base_gfn;
@@ -1741,13 +1738,14 @@ static void mark_page_dirty_in_slot(struct kvm *kvm,
 		set_bit_le(rel_gfn, memslot->dirty_bitmap);
 	}
 }
+EXPORT_SYMBOL_GPL(mark_page_dirty_in_slot);
 
 void mark_page_dirty(struct kvm *kvm, gfn_t gfn)
 {
 	struct kvm_memory_slot *memslot;
 
 	memslot = gfn_to_memslot(kvm, gfn);
-	mark_page_dirty_in_slot(kvm, memslot, gfn);
+	mark_page_dirty_in_slot(memslot, gfn);
 }
 EXPORT_SYMBOL_GPL(mark_page_dirty);
 
-- 
1.8.3.1


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