From: Dimitri Sivanich <sivanich@hpe.com>
To: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Cc: "Jiri Wiesner" <jwiesner@suse.de>,
"Steve Wahl" <steve.wahl@hpe.com>,
"Justin Ernst" <justin.ernst@hpe.com>,
"Kyle Meyer" <kyle.meyer@hpe.com>,
"Russ Anderson" <russ.anderson@hpe.com>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Ingo Molnar" <mingo@redhat.com>,
"Borislav Petkov" <bp@alien8.de>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
"Peter Zijlstra (Intel)" <peterz@infradead.org>,
"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
"Marco Elver" <elver@google.com>,
"Guilherme G. Piccoli" <gpiccoli@igalia.com>,
"Nikunj A Dadhania" <nikunj@amd.com>,
"Xin Li (Intel)" <xin@zytor.com>,
"Dimitri Sivanich" <dimitri.sivanich@hpe.com>
Subject: [PATCH v4 1/2] x86/platform/uv: Expose the uv_hub_type() interface
Date: Thu, 21 May 2026 08:20:42 -0500 [thread overview]
Message-ID: <ag8GqvcYA8_mDF8N@hpe.com> (raw)
In-Reply-To: <ag8F4Ja0Or808cr1@hpe.com>
Expose the uv_hub_type() interface for use in non-UV specific code.
Signed-off-by: Dimitri Sivanich <sivanich@hpe.com>
---
arch/x86/include/asm/uv/uv_hub.h | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/x86/include/asm/uv/uv_hub.h b/arch/x86/include/asm/uv/uv_hub.h
index ea877fd83114..5cffc5b9e989 100644
--- a/arch/x86/include/asm/uv/uv_hub.h
+++ b/arch/x86/include/asm/uv/uv_hub.h
@@ -209,10 +209,17 @@ static inline struct uv_hub_info_s *uv_cpu_hub_info(int cpu)
return (struct uv_hub_info_s *)uv_cpu_info_per(cpu)->p_uv_hub_info;
}
+#ifdef CONFIG_X86_UV
static inline int uv_hub_type(void)
{
return uv_hub_info->hub_type;
}
+#else
+static inline int uv_hub_type(void)
+{
+ return 0;
+}
+#endif
static inline __init void uv_hub_type_set(int uvmask)
{
--
2.43.0
next prev parent reply other threads:[~2026-05-21 13:21 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-21 13:17 [PATCH v4 0/2] x86/tsc: Exempt recent UV systems from clocksource watchdog checks to avoid false positives Dimitri Sivanich
2026-05-21 13:20 ` Dimitri Sivanich [this message]
2026-05-21 13:23 ` [PATCH v4 2/2] x86/tsc: Disable clocksource watchdog checking on recent and future UV platforms Dimitri Sivanich
2026-05-21 19:30 ` [PATCH v4 0/2] x86/tsc: Exempt recent UV systems from clocksource watchdog checks to avoid false positives Thomas Gleixner
2026-05-22 2:08 ` Dimitri Sivanich
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