From: Stephen Hemminger <stephen@networkplumber.org>
To: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: kvm@vger.kernel.org, x86@kernel.org,
"Stephen Hemminger" <sthemmin@microsoft.com>,
"Radim Krčmář" <rkrcmar@redhat.com>,
"Haiyang Zhang" <haiyangz@microsoft.com>,
linux-kernel@vger.kernel.org, devel@linuxdriverproject.org,
"Ingo Molnar" <mingo@redhat.com>,
"Andy Lutomirski" <luto@kernel.org>,
"H. Peter Anvin" <hpa@zytor.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Thomas Gleixner" <tglx@linutronix.de>
Subject: Re: [PATCH RFC 2/6] x86/hyper-v: add a function to read both TSC and TSC page value simulateneously
Date: Fri, 1 Dec 2017 09:29:04 -0800 [thread overview]
Message-ID: <20171201092904.30d9831f@xeon-e3> (raw)
In-Reply-To: <20171201131321.918-3-vkuznets@redhat.com>
On Fri, 1 Dec 2017 14:13:17 +0100
Vitaly Kuznetsov <vkuznets@redhat.com> wrote:
> +
> +static inline u64 hv_read_tsc_page_tsc(const struct ms_hyperv_tsc_page *tsc_pg,
> + u64 *cur_tsc)
> +{
> + *cur_tsc = rdtsc();
> +
> + return cur_tsc;
Why do return and setting by reference. Looks like an ugly API.
next prev parent reply other threads:[~2017-12-01 17:29 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-01 13:13 [PATCH RFC 0/6] x86/kvm/hyperv: stable clocksorce for L2 guests when running nested KVM on Hyper-V Vitaly Kuznetsov
2017-12-01 13:13 ` [PATCH RFC 1/6] x86/hyper-v: check for required priviliges in hyperv_init() Vitaly Kuznetsov
2017-12-01 13:13 ` [PATCH RFC 2/6] x86/hyper-v: add a function to read both TSC and TSC page value simulateneously Vitaly Kuznetsov
2017-12-01 17:29 ` Stephen Hemminger [this message]
2017-12-01 17:52 ` Paolo Bonzini
2017-12-04 9:08 ` Vitaly Kuznetsov
2017-12-01 13:13 ` [PATCH RFC 3/6] x86/hyper-v: reenlightenment notifications support Vitaly Kuznetsov
2017-12-01 13:13 ` [PATCH RFC 4/6] x86/hyper-v: redirect reenlightment notifications on CPU offlining Vitaly Kuznetsov
2017-12-01 13:13 ` [PATCH RFC 5/6] x86/kvm: pass stable clocksource to guests when running nested on Hyper-V Vitaly Kuznetsov
2017-12-01 17:45 ` Radim Krčmář
2017-12-01 13:13 ` [PATCH RFC 6/6] x86/kvm: support Hyper-V reenlightenment Vitaly Kuznetsov
2017-12-01 16:11 ` [PATCH RFC 0/6] x86/kvm/hyperv: stable clocksorce for L2 guests when running nested KVM on Hyper-V Paolo Bonzini
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