From: Ricardo Neri <ricardo.neri-calderon@linux.intel.com> To: Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@kernel.org>, Borislav Petkov <bp@suse.de> Cc: Ashok Raj <ashok.raj@intel.com>, Joerg Roedel <joro@8bytes.org>, Andi Kleen <andi.kleen@intel.com>, Peter Zijlstra <peterz@infradead.org>, Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>, Stephane Eranian <eranian@google.com>, "Ravi V. Shankar" <ravi.v.shankar@intel.com>, Randy Dunlap <rdunlap@infradead.org>, x86@kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Ricardo Neri <ricardo.neri@intel.com>, Ricardo Neri <ricardo.neri-calderon@linux.intel.com>, "H. Peter Anvin" <hpa@zytor.com>, Tony Luck <tony.luck@intel.com>, Philippe Ombredanne <pombredanne@nexb.com>, Kate Stewart <kstewart@linuxfoundation.org>, "Rafael J. Wysocki" <rafael.j.wysocki@intel.com> Subject: [RFC PATCH v4 02/21] x86/hpet: Expose hpet_writel() in header Date: Thu, 23 May 2019 18:16:04 -0700 [thread overview] Message-ID: <1558660583-28561-3-git-send-email-ricardo.neri-calderon@linux.intel.com> (raw) In-Reply-To: <1558660583-28561-1-git-send-email-ricardo.neri-calderon@linux.intel.com> In order to allow hpet_writel() to be used by other components (e.g., the HPET-based hardlockup detector) expose it in the HPET header file. No empty definition is needed if CONFIG_HPET is not selected as all existing callers select such config symbol. Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ashok Raj <ashok.raj@intel.com> Cc: Andi Kleen <andi.kleen@intel.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Philippe Ombredanne <pombredanne@nexb.com> Cc: Kate Stewart <kstewart@linuxfoundation.org> Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com> Cc: Stephane Eranian <eranian@google.com> Cc: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> Cc: "Ravi V. Shankar" <ravi.v.shankar@intel.com> Cc: x86@kernel.org Signed-off-by: Ricardo Neri <ricardo.neri-calderon@linux.intel.com> --- arch/x86/include/asm/hpet.h | 1 + arch/x86/kernel/hpet.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/include/asm/hpet.h b/arch/x86/include/asm/hpet.h index 67385d56d4f4..f132fbf984d4 100644 --- a/arch/x86/include/asm/hpet.h +++ b/arch/x86/include/asm/hpet.h @@ -72,6 +72,7 @@ extern int is_hpet_enabled(void); extern int hpet_enable(void); extern void hpet_disable(void); extern unsigned int hpet_readl(unsigned int a); +extern void hpet_writel(unsigned int d, unsigned int a); extern void force_hpet_resume(void); struct irq_data; diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index a0573f2e7763..5e86e024c489 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -62,7 +62,7 @@ inline unsigned int hpet_readl(unsigned int a) return readl(hpet_virt_address + a); } -static inline void hpet_writel(unsigned int d, unsigned int a) +inline void hpet_writel(unsigned int d, unsigned int a) { writel(d, hpet_virt_address + a); } -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Ricardo Neri <ricardo.neri-calderon@linux.intel.com> To: Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@kernel.org>, Borislav Petkov <bp@suse.de> Cc: Kate Stewart <kstewart@linuxfoundation.org>, "Ravi V. Shankar" <ravi.v.shankar@intel.com>, x86@kernel.org, Ashok Raj <ashok.raj@intel.com>, Peter Zijlstra <peterz@infradead.org>, Ricardo Neri <ricardo.neri-calderon@linux.intel.com>, Randy Dunlap <rdunlap@infradead.org>, linux-kernel@vger.kernel.org, Stephane Eranian <eranian@google.com>, Ricardo Neri <ricardo.neri@intel.com>, "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>, iommu@lists.linux-foundation.org, Tony Luck <tony.luck@intel.com>, "H. Peter Anvin" <hpa@zytor.com>, Andi Kleen <andi.kleen@intel.com>, Philippe Ombredanne <pombredanne@nexb.com> Subject: [RFC PATCH v4 02/21] x86/hpet: Expose hpet_writel() in header Date: Thu, 23 May 2019 18:16:04 -0700 [thread overview] Message-ID: <1558660583-28561-3-git-send-email-ricardo.neri-calderon@linux.intel.com> (raw) In-Reply-To: <1558660583-28561-1-git-send-email-ricardo.neri-calderon@linux.intel.com> In order to allow hpet_writel() to be used by other components (e.g., the HPET-based hardlockup detector) expose it in the HPET header file. No empty definition is needed if CONFIG_HPET is not selected as all existing callers select such config symbol. Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ashok Raj <ashok.raj@intel.com> Cc: Andi Kleen <andi.kleen@intel.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Philippe Ombredanne <pombredanne@nexb.com> Cc: Kate Stewart <kstewart@linuxfoundation.org> Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com> Cc: Stephane Eranian <eranian@google.com> Cc: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> Cc: "Ravi V. Shankar" <ravi.v.shankar@intel.com> Cc: x86@kernel.org Signed-off-by: Ricardo Neri <ricardo.neri-calderon@linux.intel.com> --- arch/x86/include/asm/hpet.h | 1 + arch/x86/kernel/hpet.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/include/asm/hpet.h b/arch/x86/include/asm/hpet.h index 67385d56d4f4..f132fbf984d4 100644 --- a/arch/x86/include/asm/hpet.h +++ b/arch/x86/include/asm/hpet.h @@ -72,6 +72,7 @@ extern int is_hpet_enabled(void); extern int hpet_enable(void); extern void hpet_disable(void); extern unsigned int hpet_readl(unsigned int a); +extern void hpet_writel(unsigned int d, unsigned int a); extern void force_hpet_resume(void); struct irq_data; diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index a0573f2e7763..5e86e024c489 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -62,7 +62,7 @@ inline unsigned int hpet_readl(unsigned int a) return readl(hpet_virt_address + a); } -static inline void hpet_writel(unsigned int d, unsigned int a) +inline void hpet_writel(unsigned int d, unsigned int a) { writel(d, hpet_virt_address + a); } -- 2.17.1 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply other threads:[~2019-05-24 1:16 UTC|newest] Thread overview: 116+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-05-24 1:16 [RFC PATCH v4 00/21] Implement an HPET-based hardlockup detector Ricardo Neri 2019-05-24 1:16 ` Ricardo Neri 2019-05-24 1:16 ` [RFC PATCH v4 01/21] x86/msi: Add definition for NMI delivery mode Ricardo Neri 2019-05-24 1:16 ` Ricardo Neri 2019-05-24 1:16 ` Ricardo Neri [this message] 2019-05-24 1:16 ` [RFC PATCH v4 02/21] x86/hpet: Expose hpet_writel() in header Ricardo Neri 2019-05-24 1:16 ` [RFC PATCH v4 03/21] x86/hpet: Calculate ticks-per-second in a separate function Ricardo Neri 2019-05-24 1:16 ` Ricardo Neri 2019-06-14 15:54 ` Thomas Gleixner 2019-06-14 15:54 ` Thomas Gleixner 2019-06-14 15:59 ` Thomas Gleixner 2019-06-14 15:59 ` Thomas Gleixner 2019-06-18 22:48 ` Ricardo Neri 2019-06-18 22:48 ` Ricardo Neri 2019-06-18 23:13 ` Thomas Gleixner 2019-06-18 23:13 ` Thomas Gleixner 2019-05-24 1:16 ` [RFC PATCH v4 04/21] x86/hpet: Add hpet_set_comparator() for periodic and one-shot modes Ricardo Neri 2019-05-24 1:16 ` Ricardo Neri 2019-06-14 18:17 ` Thomas Gleixner 2019-06-14 18:17 ` Thomas Gleixner 2019-06-18 22:48 ` Ricardo Neri 2019-06-18 22:48 ` Ricardo Neri 2019-05-24 1:16 ` [RFC PATCH v4 05/21] x86/hpet: Reserve timer for the HPET hardlockup detector Ricardo Neri 2019-05-24 1:16 ` Ricardo Neri 2019-06-11 19:54 ` Thomas Gleixner 2019-06-11 19:54 ` Thomas Gleixner 2019-06-14 1:14 ` Ricardo Neri 2019-06-14 1:14 ` Ricardo Neri 2019-06-14 16:10 ` Thomas Gleixner 2019-06-14 16:10 ` Thomas Gleixner 2019-06-18 22:48 ` Ricardo Neri 2019-06-18 22:48 ` Ricardo Neri 2019-05-24 1:16 ` [RFC PATCH v4 06/21] x86/hpet: Configure the timer used by the " Ricardo Neri 2019-05-24 1:16 ` Ricardo Neri 2019-05-24 1:16 ` [RFC PATCH v4 07/21] watchdog/hardlockup: Define a generic function to detect hardlockups Ricardo Neri 2019-05-24 1:16 ` Ricardo Neri 2019-05-24 1:16 ` Ricardo Neri 2019-05-24 1:16 ` Ricardo Neri 2019-05-24 1:16 ` [RFC PATCH v4 08/21] watchdog/hardlockup: Decouple the hardlockup detector from perf Ricardo Neri 2019-05-24 1:16 ` Ricardo Neri 2019-05-24 1:16 ` Ricardo Neri 2019-05-24 1:16 ` Ricardo Neri 2019-05-24 1:16 ` [RFC PATCH v4 09/21] x86/nmi: Add a NMI_WATCHDOG NMI handler category Ricardo Neri 2019-05-24 1:16 ` Ricardo Neri 2019-05-24 1:16 ` [RFC PATCH v4 10/21] watchdog/hardlockup: Add function to enable NMI watchdog on all allowed CPUs at once Ricardo Neri 2019-05-24 1:16 ` Ricardo Neri 2019-05-24 1:16 ` Ricardo Neri 2019-05-24 1:16 ` [RFC PATCH v4 10/21] watchdog/hardlockup: Add function to enable NMI watchdog on all allowed CPUs at Ricardo Neri 2019-05-24 1:16 ` [RFC PATCH v4 11/21] x86/watchdog/hardlockup: Add an HPET-based hardlockup detector Ricardo Neri 2019-05-24 1:16 ` Ricardo Neri 2019-05-24 1:16 ` [RFC PATCH v4 12/21] watchdog/hardlockup/hpet: Adjust timer expiration on the number of monitored CPUs Ricardo Neri 2019-05-24 1:16 ` Ricardo Neri 2019-06-11 20:11 ` Thomas Gleixner 2019-06-11 20:11 ` Thomas Gleixner 2019-06-18 22:46 ` Ricardo Neri 2019-06-18 22:46 ` Ricardo Neri 2019-05-24 1:16 ` [RFC PATCH v4 13/21] x86/watchdog/hardlockup/hpet: Determine if HPET timer caused NMI Ricardo Neri 2019-05-24 1:16 ` Ricardo Neri 2019-05-24 1:16 ` [RFC PATCH v4 14/21] watchdog/hardlockup: Use parse_option_str() to handle "nmi_watchdog" Ricardo Neri 2019-05-24 1:16 ` Ricardo Neri 2019-05-24 1:16 ` [RFC PATCH v4 15/21] watchdog/hardlockup/hpet: Only enable the HPET watchdog via a boot parameter Ricardo Neri 2019-05-24 1:16 ` Ricardo Neri 2019-05-24 1:16 ` [RFC PATCH v4 16/21] x86/watchdog: Add a shim hardlockup detector Ricardo Neri 2019-05-24 1:16 ` Ricardo Neri 2019-05-24 1:16 ` [RFC PATCH v4 17/21] x86/tsc: Switch to perf-based hardlockup detector if TSC become unstable Ricardo Neri 2019-05-24 1:16 ` Ricardo Neri 2019-06-07 0:35 ` Stephane Eranian 2019-06-07 0:35 ` Stephane Eranian via iommu 2019-06-07 14:14 ` Ricardo Neri 2019-06-07 14:14 ` Ricardo Neri 2019-05-24 1:16 ` [RFC PATCH v4 18/21] x86/apic: Add a parameter for the APIC delivery mode Ricardo Neri 2019-05-24 1:16 ` Ricardo Neri 2019-06-16 9:55 ` Thomas Gleixner 2019-06-16 9:55 ` Thomas Gleixner 2019-06-18 22:47 ` Ricardo Neri 2019-06-18 22:47 ` Ricardo Neri 2019-06-18 23:15 ` Thomas Gleixner 2019-06-18 23:15 ` Thomas Gleixner 2019-05-24 1:16 ` [RFC PATCH v4 19/21] iommu/vt-d: Rework prepare_irte() to support per-irq " Ricardo Neri 2019-05-24 1:16 ` Ricardo Neri 2019-05-24 1:16 ` [RFC PATCH v4 20/21] iommu/vt-d: hpet: Reserve an interrupt remampping table entry for watchdog Ricardo Neri 2019-05-24 1:16 ` Ricardo Neri 2019-06-16 18:42 ` Thomas Gleixner 2019-06-16 18:42 ` Thomas Gleixner 2019-06-16 19:21 ` Thomas Gleixner 2019-06-16 19:21 ` Thomas Gleixner 2019-06-17 8:25 ` Thomas Gleixner 2019-06-17 8:25 ` Thomas Gleixner 2019-06-17 21:38 ` Stephane Eranian 2019-06-17 21:38 ` Stephane Eranian via iommu 2019-06-17 23:08 ` Thomas Gleixner 2019-06-17 23:08 ` Thomas Gleixner 2019-06-19 15:43 ` Jacob Pan 2019-06-19 15:43 ` Jacob Pan 2019-06-21 15:33 ` Thomas Gleixner 2019-06-21 15:33 ` Thomas Gleixner 2019-06-21 17:31 ` Jacob Pan 2019-06-21 17:31 ` Jacob Pan 2019-06-21 18:39 ` Jacob Pan 2019-06-21 18:39 ` Jacob Pan 2019-06-21 20:05 ` Thomas Gleixner 2019-06-21 20:05 ` Thomas Gleixner 2019-06-21 23:55 ` Ricardo Neri 2019-06-21 23:55 ` Ricardo Neri 2019-06-22 7:21 ` Thomas Gleixner 2019-06-22 7:21 ` Thomas Gleixner 2019-10-18 2:48 ` Ricardo Neri 2019-10-18 2:48 ` Ricardo Neri 2019-06-18 22:45 ` Ricardo Neri 2019-06-18 22:45 ` Ricardo Neri 2019-05-24 1:16 ` [RFC PATCH v4 21/21] x86/watchdog/hardlockup/hpet: Support interrupt remapping Ricardo Neri 2019-05-24 1:16 ` Ricardo Neri 2019-06-16 8:44 ` Thomas Gleixner 2019-06-16 8:44 ` Thomas Gleixner 2019-06-16 8:53 ` Thomas Gleixner 2019-06-16 8:53 ` Thomas Gleixner
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