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From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
To: linux-pm@vger.kernel.org, loongarch@lists.linux.dev,
	linux-acpi@vger.kernel.org, linux-arch@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-riscv@lists.infradead.org, kvmarm@lists.linux.dev,
	x86@kernel.org, linux-csky@vger.kernel.org,
	linux-doc@vger.kernel.org, linux-ia64@vger.kernel.org,
	linux-parisc@vger.kernel.org
Cc: Salil Mehta <salil.mehta@huawei.com>,
	Jean-Philippe Brucker <jean-philippe@linaro.org>,
	jianyong.wu@arm.com, justin.he@arm.com,
	James Morse <james.morse@arm.com>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>
Subject: [PATCH 21/21] riscv: convert to use arch_cpu_is_hotpluggable()
Date: Tue, 21 Nov 2023 13:45:37 +0000	[thread overview]
Message-ID: <E1r5R4L-00Ct0d-To@rmk-PC.armlinux.org.uk> (raw)
In-Reply-To: <ZVyz/Ve5pPu8AWoA@shell.armlinux.org.uk>

Convert riscv to use the arch_cpu_is_hotpluggable() helper rather than
arch_register_cpu().

Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
---
 arch/riscv/kernel/setup.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c
index b3a0aa2b78d5..7493fafbe4cb 100644
--- a/arch/riscv/kernel/setup.c
+++ b/arch/riscv/kernel/setup.c
@@ -298,12 +298,9 @@ void __init setup_arch(char **cmdline_p)
 	riscv_user_isa_enable();
 }
 
-int arch_register_cpu(int cpu)
+bool arch_cpu_is_hotpluggable(int cpu)
 {
-	struct cpu *c = &per_cpu(cpu_devices, cpu);
-
-	c->hotpluggable = cpu_has_hotplug(cpu);
-	return register_cpu(c, cpu);
+	return cpu_has_hotplug(cpu);
 }
 
 void free_initmem(void)
-- 
2.30.2


WARNING: multiple messages have this Message-ID (diff)
From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
To: linux-pm@vger.kernel.org, loongarch@lists.linux.dev,
	linux-acpi@vger.kernel.org, linux-arch@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-riscv@lists.infradead.org, kvmarm@lists.linux.dev,
	x86@kernel.org, linux-csky@vger.kernel.org,
	linux-doc@vger.kernel.org, linux-ia64@vger.kernel.org,
	linux-parisc@vger.kernel.org
Cc: Salil Mehta <salil.mehta@huawei.com>,
	Jean-Philippe Brucker <jean-philippe@linaro.org>,
	jianyong.wu@arm.com, justin.he@arm.com,
	James Morse <james.morse@arm.com>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>
Subject: [PATCH 21/21] riscv: convert to use arch_cpu_is_hotpluggable()
Date: Tue, 21 Nov 2023 13:45:37 +0000	[thread overview]
Message-ID: <E1r5R4L-00Ct0d-To@rmk-PC.armlinux.org.uk> (raw)
In-Reply-To: <ZVyz/Ve5pPu8AWoA@shell.armlinux.org.uk>

Convert riscv to use the arch_cpu_is_hotpluggable() helper rather than
arch_register_cpu().

Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
---
 arch/riscv/kernel/setup.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c
index b3a0aa2b78d5..7493fafbe4cb 100644
--- a/arch/riscv/kernel/setup.c
+++ b/arch/riscv/kernel/setup.c
@@ -298,12 +298,9 @@ void __init setup_arch(char **cmdline_p)
 	riscv_user_isa_enable();
 }
 
-int arch_register_cpu(int cpu)
+bool arch_cpu_is_hotpluggable(int cpu)
 {
-	struct cpu *c = &per_cpu(cpu_devices, cpu);
-
-	c->hotpluggable = cpu_has_hotplug(cpu);
-	return register_cpu(c, cpu);
+	return cpu_has_hotplug(cpu);
 }
 
 void free_initmem(void)
-- 
2.30.2


_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv

WARNING: multiple messages have this Message-ID (diff)
From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
To: linux-pm@vger.kernel.org, loongarch@lists.linux.dev,
	linux-acpi@vger.kernel.org, linux-arch@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-riscv@lists.infradead.org, kvmarm@lists.linux.dev,
	x86@kernel.org, linux-csky@vger.kernel.org,
	linux-doc@vger.kernel.org, linux-ia64@vger.kernel.org,
	linux-parisc@vger.kernel.org
Cc: Salil Mehta <salil.mehta@huawei.com>,
	Jean-Philippe Brucker <jean-philippe@linaro.org>,
	jianyong.wu@arm.com, justin.he@arm.com,
	James Morse <james.morse@arm.com>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>
Subject: [PATCH 21/21] riscv: convert to use arch_cpu_is_hotpluggable()
Date: Tue, 21 Nov 2023 13:45:37 +0000	[thread overview]
Message-ID: <E1r5R4L-00Ct0d-To@rmk-PC.armlinux.org.uk> (raw)
In-Reply-To: <ZVyz/Ve5pPu8AWoA@shell.armlinux.org.uk>

Convert riscv to use the arch_cpu_is_hotpluggable() helper rather than
arch_register_cpu().

Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
---
 arch/riscv/kernel/setup.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c
index b3a0aa2b78d5..7493fafbe4cb 100644
--- a/arch/riscv/kernel/setup.c
+++ b/arch/riscv/kernel/setup.c
@@ -298,12 +298,9 @@ void __init setup_arch(char **cmdline_p)
 	riscv_user_isa_enable();
 }
 
-int arch_register_cpu(int cpu)
+bool arch_cpu_is_hotpluggable(int cpu)
 {
-	struct cpu *c = &per_cpu(cpu_devices, cpu);
-
-	c->hotpluggable = cpu_has_hotplug(cpu);
-	return register_cpu(c, cpu);
+	return cpu_has_hotplug(cpu);
 }
 
 void free_initmem(void)
-- 
2.30.2


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2023-11-21 13:45 UTC|newest]

Thread overview: 165+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-21 13:43 [PATCH 00/21] Initial cleanups for vCPU hotplug Russell King (Oracle)
2023-11-21 13:43 ` Russell King (Oracle)
2023-11-21 13:43 ` Russell King (Oracle)
2023-11-21 13:43 ` [PATCH 01/21] arch_topology: Make register_cpu_capacity_sysctl() tolerant to late CPUs Russell King
2023-11-21 13:43   ` Russell King
2023-11-21 13:43   ` Russell King
2023-11-30 16:46   ` Jonathan Cameron
2023-11-30 16:46     ` Jonathan Cameron
2023-11-30 16:46     ` Jonathan Cameron
2023-12-01 10:45   ` Thomas Gleixner
2023-12-01 10:45     ` Thomas Gleixner
2023-12-01 10:45     ` Thomas Gleixner
2023-11-21 13:44 ` [PATCH 02/21] x86: intel_epb: Don't rely on link order Russell King
2023-11-21 13:44   ` Russell King
2023-11-21 13:44   ` Russell King
2023-11-22 20:12   ` Rafael J. Wysocki
2023-11-22 20:12     ` Rafael J. Wysocki
2023-11-22 20:12     ` Rafael J. Wysocki
2023-11-21 13:44 ` [PATCH 03/21] x86/topology: remove arch_*register_cpu() exports Russell King (Oracle)
2023-11-21 13:44   ` Russell King (Oracle)
2023-11-21 13:44   ` Russell King (Oracle)
2023-11-30 16:48   ` Jonathan Cameron
2023-11-30 16:48     ` Jonathan Cameron
2023-11-30 16:48     ` Jonathan Cameron
2023-11-21 13:44 ` [PATCH 04/21] Loongarch: " Russell King (Oracle)
2023-11-21 13:44   ` Russell King (Oracle)
2023-11-21 13:44   ` Russell King (Oracle)
2023-11-30 16:48   ` Jonathan Cameron
2023-11-30 16:48     ` Jonathan Cameron
2023-11-30 16:48     ` Jonathan Cameron
2023-11-21 13:44 ` [PATCH 05/21] ACPI: Move ACPI_HOTPLUG_CPU to be disabled on arm64 and riscv Russell King
2023-11-21 13:44   ` Russell King
2023-11-21 13:44   ` Russell King
2023-11-22 20:16   ` Rafael J. Wysocki
2023-11-22 20:16     ` Rafael J. Wysocki
2023-11-22 20:16     ` Rafael J. Wysocki
2023-11-30 16:49   ` Jonathan Cameron
2023-11-30 16:49     ` Jonathan Cameron
2023-11-30 16:49     ` Jonathan Cameron
2023-11-21 13:44 ` [PATCH 06/21] drivers: base: Use present CPUs in GENERIC_CPU_DEVICES Russell King
2023-11-21 13:44   ` Russell King
2023-11-21 13:44   ` Russell King
2023-11-21 13:44 ` [PATCH 07/21] drivers: base: Allow parts of GENERIC_CPU_DEVICES to be overridden Russell King
2023-11-21 13:44   ` Russell King
2023-11-21 13:44   ` Russell King
2023-11-30 16:50   ` Jonathan Cameron
2023-11-30 16:50     ` Jonathan Cameron
2023-11-30 16:50     ` Jonathan Cameron
2023-11-21 13:44 ` [PATCH 08/21] drivers: base: Implement weak arch_unregister_cpu() Russell King
2023-11-21 13:44   ` Russell King
2023-11-21 13:44   ` Russell King
2023-11-30 16:50   ` Jonathan Cameron
2023-11-30 16:50     ` Jonathan Cameron
2023-11-30 16:50     ` Jonathan Cameron
2023-12-01  3:47   ` Gavin Shan
2023-12-01  3:47     ` Gavin Shan
2023-12-01  3:47     ` Gavin Shan
2023-12-01 11:06   ` Thomas Gleixner
2023-12-01 11:06     ` Thomas Gleixner
2023-12-01 11:06     ` Thomas Gleixner
2023-11-21 13:44 ` [PATCH 09/21] drivers: base: add arch_cpu_is_hotpluggable() Russell King (Oracle)
2023-11-21 13:44   ` Russell King (Oracle)
2023-11-21 13:44   ` Russell King (Oracle)
2023-11-30 16:51   ` Jonathan Cameron
2023-11-30 16:51     ` Jonathan Cameron
2023-11-30 16:51     ` Jonathan Cameron
2023-12-01  3:47   ` Gavin Shan
2023-12-01  3:47     ` Gavin Shan
2023-12-01  3:47     ` Gavin Shan
2023-11-21 13:44 ` [PATCH 10/21] drivers: base: Move cpu_dev_init() after node_dev_init() Russell King
2023-11-21 13:44   ` Russell King
2023-11-21 13:44   ` Russell King
2023-11-30 16:52   ` Jonathan Cameron
2023-11-30 16:52     ` Jonathan Cameron
2023-11-30 16:52     ` Jonathan Cameron
2023-12-01  3:48   ` Gavin Shan
2023-12-01  3:48     ` Gavin Shan
2023-12-01  3:48     ` Gavin Shan
2023-11-21 13:44 ` [PATCH 11/21] drivers: base: Print a warning instead of panic() when register_cpu() fails Russell King
2023-11-21 13:44   ` Russell King
2023-11-21 13:44   ` Russell King
2023-11-30 16:53   ` Jonathan Cameron
2023-11-30 16:53     ` Jonathan Cameron
2023-11-30 16:53     ` Jonathan Cameron
2023-12-01  3:49   ` Gavin Shan
2023-12-01  3:49     ` Gavin Shan
2023-12-01  3:49     ` Gavin Shan
2023-11-21 13:44 ` [PATCH 12/21] arm64: setup: Switch over to GENERIC_CPU_DEVICES using arch_register_cpu() Russell King
2023-11-21 13:44   ` Russell King
2023-11-21 13:44   ` Russell King
2023-11-30 16:54   ` Jonathan Cameron
2023-11-30 16:54     ` Jonathan Cameron
2023-11-30 16:54     ` Jonathan Cameron
2023-12-11 13:20   ` Will Deacon
2023-12-11 13:20     ` Will Deacon
2023-12-11 13:20     ` Will Deacon
2023-11-21 13:44 ` [PATCH 13/21] arm64: convert to arch_cpu_is_hotpluggable() Russell King (Oracle)
2023-11-21 13:44   ` Russell King (Oracle)
2023-11-21 13:44   ` Russell King (Oracle)
2023-11-30 16:54   ` Jonathan Cameron
2023-11-30 16:54     ` Jonathan Cameron
2023-11-30 16:54     ` Jonathan Cameron
2023-12-11 13:21   ` Will Deacon
2023-12-11 13:21     ` Will Deacon
2023-12-11 13:21     ` Will Deacon
2023-11-21 13:45 ` [PATCH 14/21] x86/topology: Switch over to GENERIC_CPU_DEVICES Russell King
2023-11-21 13:45   ` Russell King
2023-11-21 13:45   ` Russell King
2023-11-30 16:56   ` Jonathan Cameron
2023-11-30 16:56     ` Jonathan Cameron
2023-11-30 16:56     ` Jonathan Cameron
2023-11-21 13:45 ` [PATCH 15/21] x86/topology: use weak version of arch_unregister_cpu() Russell King (Oracle)
2023-11-21 13:45   ` Russell King (Oracle)
2023-11-21 13:45   ` Russell King (Oracle)
2023-11-30 16:57   ` Jonathan Cameron
2023-11-30 16:57     ` Jonathan Cameron
2023-11-30 16:57     ` Jonathan Cameron
2023-11-21 13:45 ` [PATCH 16/21] x86/topology: convert to use arch_cpu_is_hotpluggable() Russell King (Oracle)
2023-11-21 13:45   ` Russell King (Oracle)
2023-11-21 13:45   ` Russell King (Oracle)
2023-11-30 16:55   ` Jonathan Cameron
2023-11-30 16:55     ` Jonathan Cameron
2023-11-30 16:55     ` Jonathan Cameron
2023-11-21 13:45 ` [PATCH 17/21] LoongArch: Switch over to GENERIC_CPU_DEVICES Russell King
2023-11-21 13:45   ` Russell King
2023-11-21 13:45   ` Russell King
2023-11-30 16:57   ` Jonathan Cameron
2023-11-30 16:57     ` Jonathan Cameron
2023-11-30 16:57     ` Jonathan Cameron
2023-11-21 13:45 ` [PATCH 18/21] LoongArch: Use the __weak version of arch_unregister_cpu() Russell King
2023-11-21 13:45   ` Russell King
2023-11-21 13:45   ` Russell King
2023-11-21 13:45 ` [PATCH 19/21] LoongArch: convert to use arch_cpu_is_hotpluggable() Russell King (Oracle)
2023-11-21 13:45   ` Russell King (Oracle)
2023-11-21 13:45   ` Russell King (Oracle)
2023-11-30 16:55   ` Jonathan Cameron
2023-11-30 16:55     ` Jonathan Cameron
2023-11-30 16:55     ` Jonathan Cameron
2023-11-21 13:45 ` [PATCH 20/21] riscv: Switch over to GENERIC_CPU_DEVICES Russell King
2023-11-21 13:45   ` Russell King
2023-11-21 13:45   ` Russell King
2023-11-22 20:05   ` Samuel Holland
2023-11-22 20:05     ` Samuel Holland
2023-11-22 20:05     ` Samuel Holland
2023-11-21 13:45 ` Russell King (Oracle) [this message]
2023-11-21 13:45   ` [PATCH 21/21] riscv: convert to use arch_cpu_is_hotpluggable() Russell King (Oracle)
2023-11-21 13:45   ` Russell King (Oracle)
2023-11-22 20:08   ` Samuel Holland
2023-11-22 20:08     ` Samuel Holland
2023-11-22 20:08     ` Samuel Holland
2023-11-30 16:55   ` Jonathan Cameron
2023-11-30 16:55     ` Jonathan Cameron
2023-11-30 16:55     ` Jonathan Cameron
2023-12-01  8:53 ` [PATCH 00/21] Initial cleanups for vCPU hotplug Thomas Gleixner
2023-12-01  8:53   ` Thomas Gleixner
2023-12-01  8:53   ` Thomas Gleixner
2023-12-01 11:25 ` Thomas Gleixner
2023-12-01 11:25   ` Thomas Gleixner
2023-12-01 11:25   ` Thomas Gleixner
2023-12-01 12:28   ` Greg Kroah-Hartman
2023-12-01 12:28     ` Greg Kroah-Hartman
2023-12-01 12:28     ` Greg Kroah-Hartman
2023-12-01 16:09     ` Thomas Gleixner
2023-12-01 16:09       ` Thomas Gleixner
2023-12-01 16:09       ` Thomas Gleixner

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