From: Paolo Bonzini <pbonzini@redhat.com>
To: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Cc: gleb@kernel.org, mtosatti@redhat.com, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/9] KVM: MMU: introduce for_each_rmap_spte()
Date: Tue, 12 May 2015 10:08:14 +0200 [thread overview]
Message-ID: <5551B4EE.8020000@redhat.com> (raw)
In-Reply-To: <1431397953-16642-3-git-send-email-guangrong.xiao@linux.intel.com>
On 12/05/2015 04:32, Xiao Guangrong wrote:
> - while ((sptep = rmap_get_first(*rmapp, &iter))) {
> - BUG_ON(!(*sptep & PT_PRESENT_MASK));
> +restart:
> + for_each_rmap_spte(rmapp, &iter, sptep) {
> rmap_printk("kvm_rmap_unmap_hva: spte %p %llx gfn %llx (%d)\n",
> sptep, *sptep, gfn, level);
>
> drop_spte(kvm, sptep);
> need_tlb_flush = 1;
> + goto restart;
> }
>
For this one, I would keep using rmap_get_first. Otherwise looks good.
Paolo
next prev parent reply other threads:[~2015-05-12 9:24 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-12 2:32 [PATCH v2 0/9] KVM: MTRR fixes and some cleanups Xiao Guangrong
2015-05-12 2:32 ` [PATCH v2 1/9] KVM: MMU: fix decoding cache type from MTRR Xiao Guangrong
2015-05-12 2:32 ` [PATCH v2 2/9] KVM: MMU: introduce for_each_rmap_spte() Xiao Guangrong
2015-05-12 8:08 ` Paolo Bonzini [this message]
2015-05-12 9:36 ` Xiao Guangrong
2015-05-12 2:32 ` [PATCH v2 3/9] KVM: MMU: introduce for_each_slot_rmap_range Xiao Guangrong
2015-05-12 8:22 ` Paolo Bonzini
2015-05-12 9:38 ` Xiao Guangrong
2015-05-12 2:32 ` [PATCH v2 4/9] KVM: MMU: introduce slot_handle_level_range() and its helpers Xiao Guangrong
2015-05-12 8:22 ` Paolo Bonzini
2015-05-12 9:37 ` Xiao Guangrong
2015-05-12 2:32 ` [PATCH v2 5/9] KVM: MMU: use slot_handle_level and its helper to clean up the code Xiao Guangrong
2015-05-12 2:32 ` [PATCH v2 6/9] KVM: MMU: introduce kvm_zap_rmapp Xiao Guangrong
2015-05-12 2:32 ` [PATCH v2 7/9] KVM: MMU: introduce kvm_zap_gfn_range Xiao Guangrong
2015-05-12 2:32 ` [PATCH v2 8/9] KVM: MMU: fix MTRR update Xiao Guangrong
2015-05-12 2:32 ` [PATCH v2 9/9] KVM: x86: do not reset mmu if CR0.CD and CR0.NW are changed Xiao Guangrong
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