From: Boris Ostrovsky <boris.ostrovsky@oracle.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: kozerkov@parallels.com, matt@codeblueprint.co.uk,
lv.zheng@intel.com, xen-devel@lists.xensource.com,
joro@8bytes.org, x86@kernel.org, robert.moore@intel.com,
linux-acpi@vger.kernel.org, glin@suse.com, lenb@kernel.org,
josh@joshtriplett.org, jlee@suse.com, lguest@lists.ozlabs.org,
andriy.shevchenko@linux.intel.com, toshi.kani@hp.com,
andrew.cooper3@citrix.com, rjw@rjwysocki.net,
linux-kernel@vger.kernel.org, luto@amacapital.net,
david.vrabel@citrix.com, tiwai@suse.de
Subject: Re: [PATCH v5 04/14] x86/rtc: replace paravirt rtc check with platform legacy quirk
Date: Mon, 11 Apr 2016 09:49:56 -0400 [thread overview]
Message-ID: <570BAB84.903@oracle.com> (raw)
In-Reply-To: <1460158825-13117-5-git-send-email-mcgrof@kernel.org>
On 04/08/2016 07:40 PM, Luis R. Rodriguez wrote:
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 1ae89a2721d6..8bb8c1a4615a 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -142,6 +142,15 @@ struct x86_cpuinit_ops {
struct timespec;
/**
+ * struct x86_legacy_features - legacy x86 features
+ *
+ * @rtc: this device has a CMOS real-time clock present
+ */
+struct x86_legacy_features {
+ int rtc;
+};
+
+/**
* struct x86_platform_ops - platform specific runtime functions
* @calibrate_tsc: calibrate TSC
* @get_wallclock: get time from HW clock like RTC etc.
@@ -152,6 +161,14 @@ struct timespec;
* @save_sched_clock_state: save state for sched_clock() on suspend
* @restore_sched_clock_state: restore state for sched_clock() on resume
* @apic_post_init: adjust apic if neeeded
+ * @legacy: legacy features
+ * @set_legacy_features: override legacy features. Use of this callback
+ * is highly discouraged. You should only need
+ * this if your hardware platform requires further
+ * custom fine tuning far beyong what may be
+ * possible in x86_early_init_platform_quirks() by
+ * only using the current x86_hardware_subarch
+ * semantics.
*/
struct x86_platform_ops {
unsigned long (*calibrate_tsc)(void);
@@ -165,6 +182,8 @@ struct x86_platform_ops {
void (*save_sched_clock_state)(void);
void (*restore_sched_clock_state)(void);
void (*apic_post_init)(void);
+ struct x86_legacy_features legacy;
I don't think this belongs here --- we are in the ops structure.
-boris
> + void (*set_legacy_features)(void);
> };
>
> struct pci_dev;
> @@ -186,6 +205,8 @@ extern struct x86_cpuinit_ops x86_cpuinit;
> extern struct x86_platform_ops x86_platform;
> extern struct x86_msi_ops x86_msi;
> extern struct x86_io_apic_ops x86_io_apic_ops;
> +
> +extern void x86_early_init_platform_quirks(void);
> extern void x86_init_noop(void);
> extern void x86_init_uint_noop(unsigned int unused);
>
>
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next prev parent reply other threads:[~2016-04-11 13:49 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-08 23:40 [PATCH v5 00/14] x86: remove paravirt_enabled() Luis R. Rodriguez
2016-04-08 23:40 ` [PATCH v5 01/14] x86/boot: enumerate documentation for the x86 hardware_subarch Luis R. Rodriguez
2016-04-13 8:01 ` Ingo Molnar
2016-04-13 15:17 ` Luis R. Rodriguez
2016-04-08 23:40 ` [PATCH v5 02/14] x86/xen: use X86_SUBARCH_XEN for PV guest boots Luis R. Rodriguez
2016-04-08 23:40 ` [PATCH v5 03/14] tools/lguest: make lguest launcher use X86_SUBARCH_LGUEST explicitly Luis R. Rodriguez
2016-04-08 23:40 ` [PATCH v5 04/14] x86/rtc: replace paravirt rtc check with platform legacy quirk Luis R. Rodriguez
2016-04-11 6:50 ` [Xen-devel] " Juergen Gross
2016-04-12 20:50 ` Luis R. Rodriguez
2016-04-13 22:49 ` Luis R. Rodriguez
2016-04-11 13:49 ` Boris Ostrovsky [this message]
2016-04-12 20:56 ` Luis R. Rodriguez
2016-04-08 23:40 ` [PATCH v5 05/14] x86, ACPI: move ACPI_FADT_NO_CMOS_RTC check to ACPI boot code Luis R. Rodriguez
2016-04-08 23:40 ` [PATCH v5 06/14] x86/init: use a platform legacy quirk for ebda Luis R. Rodriguez
2016-04-08 23:40 ` [PATCH v5 07/14] tools/lguest: force disable tboot and apm Luis R. Rodriguez
2016-04-08 23:40 ` [PATCH v5 08/14] apm32: remove paravirt_enabled() use Luis R. Rodriguez
2016-04-08 23:40 ` [PATCH v5 09/14] x86/tboot: remove paravirt_enabled() Luis R. Rodriguez
2016-04-08 23:40 ` [PATCH v5 10/14] x86/cpu/intel: remove not needed paravirt_enabled() for f00f work around Luis R. Rodriguez
2016-04-08 23:40 ` [PATCH v5 11/14] pnpbios: replace paravirt_enabled() check with legacy device check Luis R. Rodriguez
2016-04-08 23:40 ` [PATCH v5 12/14] x86, ACPI: parse ACPI_FADT_LEGACY_DEVICES Luis R. Rodriguez
2016-04-08 23:40 ` [PATCH v5 13/14] x86/init: rename ebda code file Luis R. Rodriguez
2016-04-08 23:40 ` [PATCH v5 14/14] x86/paravirt: remove paravirt_enabled() Luis R. Rodriguez
2016-04-11 6:51 ` [Xen-devel] " Juergen Gross
2016-04-08 23:57 ` [PATCH v5 02/14] x86/xen: use X86_SUBARCH_XEN for PV guest boots Luis R. Rodriguez
2016-04-08 23:57 ` [PATCH v5 04/14] x86/rtc: replace paravirt rtc check with platform legacy quirk Luis R. Rodriguez
2016-04-08 23:57 ` [PATCH v5 05/14] x86, ACPI: move ACPI_FADT_NO_CMOS_RTC check to ACPI boot code Luis R. Rodriguez
2016-04-08 23:58 ` [PATCH v5 07/14] tools/lguest: force disable tboot and apm Luis R. Rodriguez
2016-04-13 8:44 ` Ingo Molnar
2016-04-13 15:45 ` Luis R. Rodriguez
2016-04-08 23:58 ` [PATCH v5 09/14] x86/tboot: remove paravirt_enabled() Luis R. Rodriguez
2016-04-08 23:58 ` [PATCH v5 10/14] x86/cpu/intel: remove not needed paravirt_enabled() for f00f work around Luis R. Rodriguez
2016-04-08 23:59 ` [PATCH v5 14/14] x86/paravirt: remove paravirt_enabled() Luis R. Rodriguez
2016-04-09 0:00 ` [PATCH v5 00/14] x86: " Luis R. Rodriguez
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