From: David Vrabel <david.vrabel@citrix.com>
To: "Luis R. Rodriguez" <mcgrof@kernel.org>,
bp@alien8.de, hpa@zytor.com, tglx@linutronix.de,
mingo@redhat.com, rusty@rustcorp.com.au
Cc: xen-devel@lists.xensource.com, x86@kernel.org,
linux-kernel@vger.kernel.org, luto@amacapital.net,
lguest@lists.ozlabs.org, david.vrabel@citrix.com,
boris.ostrovsky@oracle.com
Subject: Re: [Xen-devel] [PATCH v3 10/11] x86/rtc: replace paravirt rtc check with x86 specific solution
Date: Tue, 23 Feb 2016 11:57:16 +0000 [thread overview]
Message-ID: <56CC491C.8080505@citrix.com> (raw)
In-Reply-To: <1456212255-23959-11-git-send-email-mcgrof@kernel.org>
On 23/02/16 07:24, Luis R. Rodriguez wrote:
> --- a/arch/x86/xen/enlighten.c
> +++ b/arch/x86/xen/enlighten.c
[...]
> @@ -1526,8 +1525,6 @@ asmlinkage __visible void __init xen_start_kernel(void)
>
> /* Install Xen paravirt ops */
> pv_info = xen_info;
> - if (xen_initial_domain())
> - pv_info.features |= PV_SUPPORTED_RTC;
> pv_init_ops = xen_init_ops;
> if (!xen_pvh_domain()) {
> pv_cpu_ops = xen_cpu_ops;
> diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c
> index a0a4e554c6f1..fbfcb01015f0 100644
> --- a/arch/x86/xen/time.c
> +++ b/arch/x86/xen/time.c
> @@ -446,8 +446,10 @@ void __init xen_init_time_ops(void)
> x86_platform.calibrate_tsc = xen_tsc_khz;
> x86_platform.get_wallclock = xen_get_wallclock;
> /* Dom0 uses the native method to set the hardware RTC. */
> - if (!xen_initial_domain())
> + if (!xen_initial_domain()) {
> + x86_init.platform_flags |= X86_PLATFORM_NO_RTC;
> x86_platform.set_wallclock = xen_set_wallclock;
> + }
> }
Is this an early enough point to set this flag?
David
next prev parent reply other threads:[~2016-02-23 11:57 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-23 7:24 [PATCH v3 00/11] x86/init: replace paravirt_enabled() were possible Luis R. Rodriguez
2016-02-23 7:24 ` [PATCH v3 01/11] x86/boot: enumerate documentation for the x86 hardware_subarch Luis R. Rodriguez
2016-02-23 8:51 ` Ingo Molnar
2016-02-23 10:34 ` Luis R. Rodriguez
2016-02-23 20:41 ` Luis R. Rodriguez
2016-02-24 8:32 ` Ingo Molnar
2016-02-24 16:40 ` Andy Lutomirski
2016-02-25 1:18 ` Luis R. Rodriguez
2016-02-25 1:29 ` Andy Lutomirski
[not found] ` <CALCETrW=dia7QCDhJVF8rnaKGDx_NNYVZqUNZSs9R87_o=h6NQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-02-25 8:10 ` Ingo Molnar
2016-03-02 0:43 ` Luis R. Rodriguez
2016-03-02 19:40 ` Luis R. Rodriguez
2016-04-07 20:59 ` Luis R. Rodriguez
2016-02-23 7:24 ` [PATCH v3 02/11] tools/lguest: make lguest launcher use X86_SUBARCH_LGUEST explicitly Luis R. Rodriguez
2016-02-23 7:24 ` [PATCH v3 03/11] x86/xen: use X86_SUBARCH_XEN for PV guest boots Luis R. Rodriguez
2016-02-23 7:24 ` [PATCH v3 04/11] x86/init: make ebda depend on PC subarch Luis R. Rodriguez
2016-02-23 7:24 ` [PATCH v3 05/11] tools/lguest: force disable tboot and apm Luis R. Rodriguez
2016-02-23 7:24 ` [PATCH v3 06/11] apm32: remove paravirt_enabled() use Luis R. Rodriguez
2016-02-23 7:24 ` [PATCH v3 07/11] x86/tboot: remove paravirt_enabled() Luis R. Rodriguez
2016-02-23 7:24 ` [PATCH v3 08/11] x86/cpu/intel: replace paravirt_enabled() for f00f work around Luis R. Rodriguez
2016-02-23 7:24 ` [PATCH v3 09/11] x86/boot: add BIT() to boot/bitops.h Luis R. Rodriguez
2016-02-23 7:24 ` [PATCH v3 10/11] x86/rtc: replace paravirt rtc check with x86 specific solution Luis R. Rodriguez
2016-02-23 11:57 ` David Vrabel [this message]
2016-02-23 18:10 ` [Xen-devel] " Luis R. Rodriguez
2016-02-23 7:24 ` [PATCH v3 11/11] pnpbios: replace paravirt_enabled() check with subarch checks Luis R. Rodriguez
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