From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: "Kevin Tian" <kevin.tian@intel.com>,
"Wei Liu" <wei.liu2@citrix.com>,
"Jan Beulich" <JBeulich@suse.com>,
Xen-devel <xen-devel@lists.xen.org>,
"Jun Nakajima" <jun.nakajima@intel.com>,
"Roger Pau Monné" <roger.pau@citrix.com>
Subject: Re: [PATCH v2 3/5] x86: Fix APIC MSR constant names
Date: Wed, 7 Mar 2018 15:59:29 -0500 [thread overview]
Message-ID: <20180307205929.GG23411@char.us.oracle.com> (raw)
In-Reply-To: <1520449116-15443-4-git-send-email-andrew.cooper3@citrix.com>
On Wed, Mar 07, 2018 at 06:58:34PM +0000, Andrew Cooper wrote:
> We currently have MSR_IA32_APICBASE and MSR_IA32_APICBASE_MSR which are
> synonymous from a naming point of view, but refer to very different things.
>
> Rename the x2APIC MSRs to MSR_X2APIC_*, which are shorter constants and
> visually separate the register function from the generic APIC name. For the
> case ranges, introduce MSR_X2APIC_LAST, rather than relying on the knowledge
> that there are 0x3ff MSRs architecturally reserved for x2APIC functionality.
>
> For functionality relating to the APIC_BASE MSR, use MSR_APIC_BASE for the MSR
> itself, but drop the MSR prefix from the other constants to shorten the names.
> In all cases, the fact that we are dealing with the APIC_BASE MSR is obvious
> from the context.
>
> No functional change (the combined binary is identical).
>
> Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Thank you!
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next prev parent reply other threads:[~2018-03-07 20:59 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-07 18:58 [PATCH v2 0/5] x86: Switch some bits of MSR handing over to the new infrastructure Andrew Cooper
2018-03-07 18:58 ` [PATCH v2 1/5] x86/hvm: Handle viridian MSRs via the new guest_{rd, wr}msr() infrastructure Andrew Cooper
2018-03-13 15:00 ` Jan Beulich
2018-03-13 15:20 ` Jan Beulich
2018-03-13 15:47 ` Andrew Cooper
2018-03-13 16:25 ` Jan Beulich
2018-03-07 18:58 ` [PATCH v2 2/5] x86: Handle the Xen " Andrew Cooper
2018-03-13 15:04 ` Jan Beulich
2018-09-07 14:30 ` Andrew Cooper
2018-09-07 15:47 ` Jan Beulich
2018-09-07 16:01 ` Andrew Cooper
2018-09-10 9:44 ` Jan Beulich
2018-03-07 18:58 ` [PATCH v2 3/5] x86: Fix APIC MSR constant names Andrew Cooper
2018-03-07 20:59 ` Konrad Rzeszutek Wilk [this message]
2018-03-08 1:26 ` Tian, Kevin
2018-03-13 15:15 ` Jan Beulich
2018-09-10 14:39 ` Roger Pau Monné
2018-03-07 18:58 ` [PATCH v2 4/5] x86/hvm: Handle x2apic MSRs via the new guest_{rd, wr}msr() infrastructure Andrew Cooper
2018-03-07 20:59 ` Konrad Rzeszutek Wilk
2018-03-13 15:21 ` Jan Beulich
2018-09-10 14:45 ` Roger Pau Monné
2018-03-07 18:58 ` [PATCH v2 5/5] x86/msr: Blacklist various MSRs which guests definitely shouldn't be using Andrew Cooper
2018-03-07 21:01 ` Konrad Rzeszutek Wilk
2018-03-13 15:35 ` Jan Beulich
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