linux-kernel - [PATCH] x86: xen: mmu: Remove unused function

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Date:	Sun, 11 Jan 2015 23:35:41 +0100
From:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>
Cc:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>,
	David Vrabel <david.vrabel@...rix.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	xen-devel@...ts.xenproject.org, linux-kernel@...r.kernel.org
Subject: [PATCH] x86: xen: mmu: Remove unused function

Remove the function set_pte_mfn() that is not used anywhere.

This was partially found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
---
 arch/x86/xen/mmu.c |    9 ---------
 arch/x86/xen/mmu.h |    2 --
 2 files changed, 11 deletions(-)

diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index a8a1a3d..6959550 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -281,15 +281,6 @@ static void xen_set_pmd(pmd_t *ptr, pmd_t val)
 	xen_set_pmd_hyper(ptr, val);
 }
 
-/*
- * Associate a virtual page frame with a given physical page frame
- * and protection flags for that frame.
- */
-void set_pte_mfn(unsigned long vaddr, unsigned long mfn, pgprot_t flags)
-{
-	set_pte_vaddr(vaddr, mfn_pte(mfn, flags));
-}
-
 static bool xen_batched_set_pte(pte_t *ptep, pte_t pteval)
 {
 	struct mmu_update u;
diff --git a/arch/x86/xen/mmu.h b/arch/x86/xen/mmu.h
index 73809bb..f2dcf79 100644
--- a/arch/x86/xen/mmu.h
+++ b/arch/x86/xen/mmu.h
@@ -13,8 +13,6 @@ enum pt_level {
 
 bool __set_phys_to_machine(unsigned long pfn, unsigned long mfn);
 
-void set_pte_mfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags);
-
 pte_t xen_ptep_modify_prot_start(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
 void  xen_ptep_modify_prot_commit(struct mm_struct *mm, unsigned long addr,
 				  pte_t *ptep, pte_t pte);
-- 
1.7.10.4

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