From: Liran Alon <liran.alon@oracle.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: lantianyu1986@gmail.com, Lan Tianyu <Tianyu.Lan@microsoft.com>,
christoffer.dall@arm.com, marc.zyngier@arm.com,
linux@armlinux.org, catalin.marinas@arm.com, will.deacon@arm.com,
jhogan@kernel.org, ralf@linux-mips.org, paul.burton@mips.com,
paulus@ozlabs.org, benh@kernel.crashing.org, mpe@ellerman.id.au,
kys@microsoft.com, haiyangz@microsoft.com,
sthemmin@microsoft.com, mingo@redhat.com, hpa@zytor.com,
x86@kernel.org, pbonzini@redhat.com, rkrcmar@redhat.com,
linux-arm-kernel@lists.infradead.org,
kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org,
linux-mips@linux-mips.org, kvm-ppc@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, devel@linuxdriverproject.org,
kvm@vger.kernel.org, michael.h.kelley@microsoft.com,
vkuznets@redhat.com
Subject: Re: [PATCH V4 2/15] KVM/MMU: Add tlb flush with range helper function
Date: Sun, 14 Oct 2018 12:20:00 +0300 [thread overview]
Message-ID: <1BDC7949-CFED-46C2-9D05-42864B0AD0F0@oracle.com> (raw)
In-Reply-To: <alpine.DEB.2.21.1810141014350.1438@nanos.tec.linutronix.de>
> On 14 Oct 2018, at 11:16, Thomas Gleixner <tglx@linutronix.de> wrote:
>
> On Sun, 14 Oct 2018, Liran Alon wrote:
>>> On 13 Oct 2018, at 17:53, lantianyu1986@gmail.com wrote:
>>>
>>> +
>>> +static inline bool kvm_available_flush_tlb_with_range(void)
>>> +{
>>> + return kvm_x86_ops->tlb_remote_flush_with_range;
>>> +}
>>
>> Seems that kvm_available_flush_tlb_with_range() is not used in this patch…
>
> What's wrong with that?
>
> It provides the implementation and later patches make use of it. It's a
> sensible way to split patches into small, self contained entities.
>
> Thanks,
>
> tglx
>
I guess it’s a matter of taste, but I prefer to not add dead-code for patches
in order for each commit to compile nicely without warnings of declared and unused functions.
I would prefer to just add this utility function on the patch that actually use it.
-Liran
next prev parent reply other threads:[~2018-10-14 9:21 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-13 14:53 [PATCH V4 00/15] x86/KVM/Hyper-v: Add HV ept tlb range flush hypercall support in KVM lantianyu1986
2018-10-13 14:53 ` [PATCH V4 1/15] KVM: Add tlb_remote_flush_with_range callback in kvm_x86_ops lantianyu1986
2018-10-13 14:53 ` [PATCH V4 2/15] KVM/MMU: Add tlb flush with range helper function lantianyu1986
2018-10-14 7:26 ` Liran Alon
2018-10-14 8:16 ` Thomas Gleixner
2018-10-14 9:20 ` Liran Alon [this message]
2018-10-14 12:57 ` Tianyu Lan
2018-10-14 9:27 ` Russell King - ARM Linux
2018-10-14 9:35 ` Russell King - ARM Linux
2018-10-14 13:21 ` Tianyu Lan
2018-10-14 13:33 ` Russell King - ARM Linux
2018-10-15 12:02 ` Paolo Bonzini
2018-10-13 14:53 ` [PATCH V4 3/15] KVM: Replace old tlb flush function with new one to flush a specified range lantianyu1986
2018-10-13 14:53 ` [PATCH V4 4/15] KVM: Make kvm_set_spte_hva() return int lantianyu1986
2018-10-13 14:53 ` [PATCH V4 5/15] KVM/MMU: Move tlb flush in kvm_set_pte_rmapp() to kvm_mmu_notifier_change_pte() lantianyu1986
2018-10-13 14:53 ` [PATCH V4 6/15] KVM/MMU: Flush tlb directly in the kvm_set_pte_rmapp() lantianyu1986
2018-10-15 11:52 ` Paolo Bonzini
2018-10-13 14:53 ` [PATCH V4 7/15] KVM/MMU: Flush tlb directly in the kvm_zap_gfn_range() lantianyu1986
2018-10-15 10:04 ` Paolo Bonzini
2018-10-15 13:08 ` Tianyu Lan
2018-10-13 14:53 ` [PATCH V4 8/15] KVM/MMU: Flush tlb directly in kvm_mmu_zap_collapsible_spte() lantianyu1986
2018-10-13 14:54 ` [PATCH V4 9/15] KVM: Add flush_link and parent_pte in the struct kvm_mmu_page lantianyu1986
2018-10-15 10:12 ` Paolo Bonzini
2018-10-13 14:54 ` [PATCH V4 10/15] KVM: Add spte's point " lantianyu1986
2018-10-13 14:54 ` [PATCH V4 11/15] KVM/MMU: Replace tlb flush function with range list flush function lantianyu1986
2018-10-15 11:51 ` Paolo Bonzini
2018-10-13 14:54 ` [PATCH V4 12/15] x86/hyper-v: Add HvFlushGuestAddressList hypercall support lantianyu1986
2018-10-15 10:30 ` Paolo Bonzini
2018-10-13 14:54 ` [PATCH V4 13/15] x86/Hyper-v: Add trace in the hyperv_nested_flush_guest_mapping_range() lantianyu1986
2018-10-13 14:54 ` [PATCH V4 14/15] KVM/VMX: Change hv flush logic when ept tables are mismatched lantianyu1986
2018-10-15 11:15 ` Paolo Bonzini
2018-10-13 14:54 ` [PATCH V4 15/15] KVM/VMX: Add hv tlb range flush support lantianyu1986
2018-10-15 12:04 ` [PATCH V4 00/15] x86/KVM/Hyper-v: Add HV ept tlb range flush hypercall support in KVM Paolo Bonzini
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1BDC7949-CFED-46C2-9D05-42864B0AD0F0@oracle.com \
--to=liran.alon@oracle.com \
--cc=Tianyu.Lan@microsoft.com \
--cc=benh@kernel.crashing.org \
--cc=catalin.marinas@arm.com \
--cc=christoffer.dall@arm.com \
--cc=devel@linuxdriverproject.org \
--cc=haiyangz@microsoft.com \
--cc=hpa@zytor.com \
--cc=jhogan@kernel.org \
--cc=kvm-ppc@vger.kernel.org \
--cc=kvm@vger.kernel.org \
--cc=kvmarm@lists.cs.columbia.edu \
--cc=kys@microsoft.com \
--cc=lantianyu1986@gmail.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mips@linux-mips.org \
--cc=linux@armlinux.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=marc.zyngier@arm.com \
--cc=michael.h.kelley@microsoft.com \
--cc=mingo@redhat.com \
--cc=mpe@ellerman.id.au \
--cc=paul.burton@mips.com \
--cc=paulus@ozlabs.org \
--cc=pbonzini@redhat.com \
--cc=ralf@linux-mips.org \
--cc=rkrcmar@redhat.com \
--cc=sthemmin@microsoft.com \
--cc=tglx@linutronix.de \
--cc=vkuznets@redhat.com \
--cc=will.deacon@arm.com \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).