From mboxrd@z Thu Jan 1 00:00:00 1970 From: Borislav Petkov Subject: [PATCH] kvm: Fix build warnings Date: Mon, 30 May 2011 22:11:17 +0200 Message-ID: <1306786278-12219-1-git-send-email-bp@alien8.de> References: <20110530124600.GB494@eferding.osrc.amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: kvm@vger.kernel.org, LKML , Borislav Petkov , Takuya Yoshikawa To: Avi Kivity , Marcelo Tosatti Return-path: In-Reply-To: <20110530124600.GB494@eferding.osrc.amd.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On 3.0-rc1 I get In file included from arch/x86/kvm/mmu.c:2856: arch/x86/kvm/paging_tmpl.h: In function =E2=80=98paging32_walk_addr_gen= eric=E2=80=99: arch/x86/kvm/paging_tmpl.h:124: warning: =E2=80=98ptep_user=E2=80=99 ma= y be used uninitialized in this function In file included from arch/x86/kvm/mmu.c:2852: arch/x86/kvm/paging_tmpl.h: In function =E2=80=98paging64_walk_addr_gen= eric=E2=80=99: arch/x86/kvm/paging_tmpl.h:124: warning: =E2=80=98ptep_user=E2=80=99 ma= y be used uninitialized in this function caused by 6e2ca7d1802bf8ed9908435e34daa116662e7790. According to Takuya Yoshikawa, ptep_user won't be used uninitialized so shut up gcc. Cc: Takuya Yoshikawa Link: http://lkml.kernel.org/r/20110530094604.GC21833@liondog.tnic Signed-off-by: Borislav Petkov --- arch/x86/kvm/paging_tmpl.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index 6c4dc01..9d03ad4 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -121,7 +121,7 @@ static int FNAME(walk_addr_generic)(struct guest_wa= lker *walker, gva_t addr, u32 access) { pt_element_t pte; - pt_element_t __user *ptep_user; + pt_element_t __user *uninitialized_var(ptep_user); gfn_t table_gfn; unsigned index, pt_access, uninitialized_var(pte_access); gpa_t pte_gpa; --=20 1.7.5.rc1.16.g9db1