From: tip-bot for Thomas Gleixner <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: hpa@zytor.com, daniel@numascale.com,
torvalds@linux-foundation.org, travis@sgi.com, bp@alien.de,
tglx@linutronix.de, mingo@kernel.org,
linux-kernel@vger.kernel.org, peterz@infradead.org
Subject: [tip:x86/apic] x86/apic: Implement default single target IPI function
Date: Thu, 5 Nov 2015 06:43:31 -0800 [thread overview]
Message-ID: <tip-53be0fac8bdaeec87e0df7d0334345421d2be187@git.kernel.org> (raw)
In-Reply-To: <20151104220848.898543767@linutronix.de>
Commit-ID: 53be0fac8bdaeec87e0df7d0334345421d2be187
Gitweb: http://git.kernel.org/tip/53be0fac8bdaeec87e0df7d0334345421d2be187
Author: Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Wed, 4 Nov 2015 22:57:01 +0000
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Thu, 5 Nov 2015 13:07:52 +0100
x86/apic: Implement default single target IPI function
apic_physflat and bigsmp_apic can share that implementation.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Borislav Petkov <bp@alien.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Mike Travis <travis@sgi.com>
Cc: Daniel J Blueman <daniel@numascale.com>
Link: http://lkml.kernel.org/r/20151104220848.898543767@linutronix.de
---
arch/x86/include/asm/ipi.h | 1 +
arch/x86/kernel/apic/ipi.c | 10 ++++++++++
2 files changed, 11 insertions(+)
diff --git a/arch/x86/include/asm/ipi.h b/arch/x86/include/asm/ipi.h
index 615fa90..22998a8 100644
--- a/arch/x86/include/asm/ipi.h
+++ b/arch/x86/include/asm/ipi.h
@@ -119,6 +119,7 @@ static inline void
native_apic_mem_write(APIC_ICR, cfg);
}
+extern void default_send_IPI_single_phys(int cpu, int vector);
extern void default_send_IPI_mask_sequence_phys(const struct cpumask *mask,
int vector);
extern void default_send_IPI_mask_allbutself_phys(const struct cpumask *mask,
diff --git a/arch/x86/kernel/apic/ipi.c b/arch/x86/kernel/apic/ipi.c
index 6207156..4fcffbf 100644
--- a/arch/x86/kernel/apic/ipi.c
+++ b/arch/x86/kernel/apic/ipi.c
@@ -18,6 +18,16 @@
#include <asm/proto.h>
#include <asm/ipi.h>
+void default_send_IPI_single_phys(int cpu, int vector)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+ __default_send_IPI_dest_field(per_cpu(x86_cpu_to_apicid, cpu),
+ vector, APIC_DEST_PHYSICAL);
+ local_irq_restore(flags);
+}
+
void default_send_IPI_mask_sequence_phys(const struct cpumask *mask, int vector)
{
unsigned long query_cpu;
next prev parent reply other threads:[~2015-11-05 14:44 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-04 22:56 [patch 00/14] x86/apic: Implement single target IPI callback Thomas Gleixner
2015-11-04 22:57 ` [patch 01/14] x86/apic: Add a single-target IPI function to the apic Thomas Gleixner
2015-11-05 14:42 ` [tip:x86/apic] " tip-bot for Linus Torvalds
2015-11-04 22:57 ` [patch 02/14] x86/apic: Implement single target IPI function for x2apic_cluster Thomas Gleixner
2015-11-05 6:38 ` Ingo Molnar
2015-11-05 6:46 ` Linus Torvalds
2015-11-05 8:04 ` Thomas Gleixner
2015-11-05 14:43 ` [tip:x86/apic] " tip-bot for Linus Torvalds
2015-11-04 22:57 ` [patch 03/14] x86/apic: Implement default single target IPI function Thomas Gleixner
2015-11-05 14:43 ` tip-bot for Thomas Gleixner [this message]
2015-11-04 22:57 ` [patch 04/14] x86/apic: Remove pointless indirections from apic_physflat Thomas Gleixner
2015-11-05 14:43 ` [tip:x86/apic] " tip-bot for Thomas Gleixner
2015-11-04 22:57 ` [patch 05/14] x86/apic: Wire up single IPI for apic_physflat Thomas Gleixner
2015-11-05 14:44 ` [tip:x86/apic] " tip-bot for Thomas Gleixner
2015-11-04 22:57 ` [patch 06/14] x86/apic: Remove pointless indirections from bigsmp_apic Thomas Gleixner
2015-11-05 14:44 ` [tip:x86/apic] " tip-bot for Thomas Gleixner
2015-11-04 22:57 ` [patch 07/14] x86/apic: Wire up single IPI for bigsmp_apic Thomas Gleixner
2015-11-05 14:44 ` [tip:x86/apic] " tip-bot for Thomas Gleixner
2015-11-04 22:57 ` [patch 08/14] x86/apic: Implement single IPI for x2apic_phys Thomas Gleixner
2015-11-05 14:45 ` [tip:x86/apic] " tip-bot for Thomas Gleixner
2015-11-04 22:57 ` [patch 09/14] x86/apic: Wire up single IPI for x2apic_uv Thomas Gleixner
2015-11-05 14:45 ` [tip:x86/apic] " tip-bot for Thomas Gleixner
2015-11-04 22:57 ` [patch 10/14] x86/apic: Implement single IPI for apic_noop Thomas Gleixner
2015-11-05 14:46 ` [tip:x86/apic] " tip-bot for Thomas Gleixner
2015-11-04 22:57 ` [patch 11/14] x86/apic: Wire up single IPI for apic_numachip Thomas Gleixner
2015-11-05 14:45 ` [tip:x86/apic] " tip-bot for Thomas Gleixner
2015-11-04 22:57 ` [patch 12/14] x86/apic: Provide default send single IPI wrapper Thomas Gleixner
2015-11-05 14:46 ` [tip:x86/apic] " tip-bot for Thomas Gleixner
2015-11-04 22:57 ` [patch 13/14] x86/apic: Use " Thomas Gleixner
2015-11-05 14:46 ` [tip:x86/apic] " tip-bot for Thomas Gleixner
2015-11-04 22:57 ` [patch 14/14] x86/smp: Remove " Thomas Gleixner
2015-11-05 14:47 ` [tip:x86/apic] " tip-bot for Thomas Gleixner
2015-11-04 22:59 ` [patch 00/14] x86/apic: Implement single target IPI callback Linus Torvalds
2015-11-05 8:17 ` Thomas Gleixner
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