From: Avi Kivity <avi@redhat.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: kvm@vger.kernel.org, akpm@linux-foundation.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] [19/23] KVM: Fix unused but set warnings
Date: Thu, 10 Jun 2010 17:19:23 +0300 [thread overview]
Message-ID: <4C10F46B.9090006@redhat.com> (raw)
In-Reply-To: <20100610111055.4FB51B1A2B@basil.firstfloor.org>
On 06/10/2010 02:10 PM, Andi Kleen wrote:
> No real bugs in this one, the real bug I found is in a separate
> patch.
>
>
> Index: linux-2.6.35-rc2-gcc/arch/x86/kvm/vmx.c
> ===================================================================
> --- linux-2.6.35-rc2-gcc.orig/arch/x86/kvm/vmx.c
> +++ linux-2.6.35-rc2-gcc/arch/x86/kvm/vmx.c
> @@ -1624,10 +1624,9 @@ static void enter_pmode(struct kvm_vcpu
> static gva_t rmode_tss_base(struct kvm *kvm)
> {
> if (!kvm->arch.tss_addr) {
> - struct kvm_memslots *slots;
> gfn_t base_gfn;
>
> - slots = kvm_memslots(kvm);
> + kvm_memslots(kvm);
> base_gfn = kvm->memslots->memslots[0].base_gfn +
> kvm->memslots->memslots[0].npages - 3;
> return base_gfn<< PAGE_SHIFT;
>
I think the base_gfn assignment below needs to use slots to get the rcu
dereference correct. I'll apply the patch without this hunk and fix it
independently.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2010-06-10 14:38 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-10 11:10 [PATCH] [0/23] Fix gcc 4.6 set but unused variable warnings Andi Kleen
2010-06-10 11:10 ` [PATCH] [1/23] x86: percpu: Avoid warnings of unused variables in per cpu Andi Kleen
2010-06-10 11:14 ` Tejun Heo
2010-06-10 12:09 ` Ingo Molnar
2010-06-10 17:43 ` Justin P. Mattock
2010-06-10 18:10 ` Andi Kleen
2010-06-10 18:26 ` Justin P. Mattock
2010-06-10 20:10 ` Justin P. Mattock
2010-06-10 12:24 ` [tip:x86/urgent] percpu, x86: " tip-bot for Andi Kleen
2010-06-10 11:10 ` [PATCH] [2/23] IRQ: Move alloc_desk_mask variables inside ifdef Andi Kleen
2010-06-10 11:10 ` [PATCH] [3/23] x86: Avoid unused by set variables in rdmsr Andi Kleen
2010-06-10 11:10 ` [PATCH] [4/23] pagemap: Avoid unused-but-set variable Andi Kleen
2010-06-18 23:28 ` Andrew Morton
2010-06-19 7:44 ` Andi Kleen
2010-06-10 11:10 ` [PATCH] [5/23] x86 boot: Set ax register in boot vga query Andi Kleen
2010-06-10 17:13 ` H. Peter Anvin
2010-06-10 23:42 ` [tip:x86/urgent] x86, setup: " tip-bot for Andi Kleen
2010-06-10 11:10 ` [PATCH] [6/23] perf: Fix set but unused variables in perf Andi Kleen
2010-06-10 11:10 ` [PATCH] [7/23] x86: fix set but not read variables Andi Kleen
2010-06-10 11:10 ` [PATCH] [8/23] KGDB: Remove set but unused newPC Andi Kleen
2010-07-30 11:59 ` Jason Wessel
2010-06-10 11:10 ` [PATCH] [9/23] PRINTK: Use stable variable to dump kmsg buffer Andi Kleen
2010-06-10 11:10 ` [PATCH] [10/23] SCHED: Only allocate per cpu cpu mask buffer with offstack cpumasks Andi Kleen
2010-06-10 14:43 ` Peter Zijlstra
2010-06-10 14:52 ` Andi Kleen
2010-06-10 14:55 ` Peter Zijlstra
2010-06-10 15:06 ` Andi Kleen
2010-06-10 15:19 ` Peter Zijlstra
2010-06-10 15:34 ` Andi Kleen
2010-06-10 11:10 ` [PATCH] [11/23] KVM: Fix KVM_SET_SIGNAL_MASK Andi Kleen
2010-06-10 14:16 ` Avi Kivity
2010-06-10 11:10 ` [PATCH] [12/23] BTRFS: Clean up unused variables -- bugs Andi Kleen
2010-06-10 11:10 ` [PATCH] [13/23] BTRFS: Clean up unused variables -- nonbugs Andi Kleen
2010-06-10 11:10 ` [PATCH] [14/23] NFSD: Fix initialized but not read warnings Andi Kleen
2010-06-10 11:10 ` [PATCH] [15/23] EXT4: Fix initialized but not read variables Andi Kleen
2010-06-14 17:20 ` tytso
2010-06-10 11:10 ` [PATCH] [16/23] XFS: Fix gcc 4.6 set but not read and unused statement warnings Andi Kleen
2010-06-11 16:20 ` Christoph Hellwig
2010-06-11 16:36 ` Andi Kleen
2010-06-14 4:27 ` Dave Chinner
2010-06-14 7:43 ` Andi Kleen
2010-06-14 13:37 ` Dave Chinner
2010-06-14 14:37 ` Andi Kleen
2010-06-14 22:24 ` Dave Chinner
2010-06-15 7:02 ` Andi Kleen
2010-06-15 7:40 ` Christoph Hellwig
2010-06-15 7:46 ` Andi Kleen
2010-06-10 11:10 ` [PATCH] [17/23] EXT3: Fix set but unused variables Andi Kleen
2010-06-14 17:21 ` tytso
2010-06-14 17:27 ` tytso
2010-06-15 14:01 ` Jan Kara
2010-06-10 11:10 ` [PATCH] [18/23] ACPI: Fix unused but set variables in ACPI Andi Kleen
2010-06-10 11:10 ` [PATCH] [19/23] KVM: Fix unused but set warnings Andi Kleen
2010-06-10 14:19 ` Avi Kivity [this message]
2010-06-10 11:10 ` [PATCH] [20/23] MM: " Andi Kleen
2010-06-10 11:10 ` [PATCH] [21/23] kernel/*: " Andi Kleen
2010-06-10 11:10 ` [PATCH] [22/23] BLOCK: Fix unused but set variables in blk-merge Andi Kleen
2010-06-10 11:10 ` [PATCH] [23/23] FS: Fix unused but set warnings Andi Kleen
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