From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: x86@kernel.org, "Paul E. McKenney" <paulmck@kernel.org>,
Andy Lutomirski <luto@kernel.org>,
Alexandre Chartre <alexandre.chartre@oracle.com>,
Frederic Weisbecker <frederic@kernel.org>,
Paolo Bonzini <pbonzini@redhat.com>,
Sean Christopherson <sean.j.christopherson@intel.com>,
Masami Hiramatsu <mhiramat@kernel.org>,
Petr Mladek <pmladek@suse.com>,
Steven Rostedt <rostedt@goodmis.org>,
Joel Fernandes <joel@joelfernandes.org>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Juergen Gross <jgross@suse.com>, Brian Gerst <brgerst@gmail.com>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Josh Poimboeuf <jpoimboe@redhat.com>,
Will Deacon <will@kernel.org>,
Tom Lendacky <thomas.lendacky@amd.com>,
Wei Liu <wei.liu@kernel.org>,
Michael Kelley <mikelley@microsoft.com>,
Jason Chen CJ <jason.cj.chen@intel.com>,
Zhao Yakui <yakui.zhao@intel.com>,
"Peter Zijlstra (Intel)" <peterz@infradead.org>
Subject: [patch V6 20/37] x86/irq/64: Provide handle_irq()
Date: Sat, 16 May 2020 01:46:07 +0200 [thread overview]
Message-ID: <20200515235126.425706250@linutronix.de> (raw)
In-Reply-To: 20200515234547.710474468@linutronix.de
To consolidate the interrupt entry/exit code vs. the other exceptions
provide handle_irq() (similar to 32bit) to move the interrupt stack
switching to C code. That allows to consolidate the entry exit handling by
reusing the idtentry machinery both in ASM and C.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index 62cff52e03c5..6087164e581c 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -79,3 +79,11 @@ void do_softirq_own_stack(void)
else
run_on_irqstack(__do_softirq, NULL);
}
+
+void handle_irq(struct irq_desc *desc, struct pt_regs *regs)
+{
+ if (!irq_needs_irq_stack(regs))
+ generic_handle_irq_desc(desc);
+ else
+ run_on_irqstack(desc->handle_irq, desc);
+}
next prev parent reply other threads:[~2020-05-16 0:11 UTC|newest]
Thread overview: 159+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-15 23:45 [patch V6 00/37] x86/entry: Rework leftovers and merge plan Thomas Gleixner
2020-05-15 23:45 ` [patch V6 01/37] tracing/hwlat: Use ktime_get_mono_fast_ns() Thomas Gleixner
2020-05-19 21:26 ` Steven Rostedt
2020-05-19 21:45 ` Thomas Gleixner
2020-05-19 22:18 ` Steven Rostedt
2020-05-20 19:51 ` Thomas Gleixner
2020-05-20 20:14 ` Peter Zijlstra
2020-05-20 22:20 ` Thomas Gleixner
2020-05-15 23:45 ` [patch V6 02/37] tracing/hwlat: Split ftrace_nmi_enter/exit() Thomas Gleixner
2020-05-19 22:23 ` Steven Rostedt
2020-05-15 23:45 ` [patch V6 03/37] nmi, tracing: Provide nmi_enter/exit_notrace() Thomas Gleixner
2020-05-17 5:12 ` Andy Lutomirski
2020-05-19 22:24 ` Steven Rostedt
2020-05-15 23:45 ` [patch V6 04/37] x86: Make hardware latency tracing explicit Thomas Gleixner
2020-05-17 5:36 ` Andy Lutomirski
2020-05-17 8:48 ` Thomas Gleixner
2020-05-18 5:50 ` Andy Lutomirski
2020-05-18 8:03 ` Thomas Gleixner
2020-05-18 20:42 ` Andy Lutomirski
2020-05-18 8:01 ` Peter Zijlstra
2020-05-18 8:05 ` Thomas Gleixner
2020-05-18 8:08 ` Peter Zijlstra
2020-05-20 20:09 ` Thomas Gleixner
2020-05-20 20:14 ` Andy Lutomirski
2020-05-20 22:20 ` Thomas Gleixner
2020-05-15 23:45 ` [patch V6 05/37] genirq: Provide irq_enter/exit_rcu() Thomas Gleixner
2020-05-18 23:06 ` Andy Lutomirski
2020-05-15 23:45 ` [patch V6 06/37] genirq: Provde __irq_enter/exit_raw() Thomas Gleixner
2020-05-18 23:07 ` Andy Lutomirski
2020-05-15 23:45 ` [patch V6 07/37] x86/entry: Provide helpers for execute on irqstack Thomas Gleixner
2020-05-18 23:11 ` Andy Lutomirski
2020-05-18 23:46 ` Andy Lutomirski
2020-05-18 23:53 ` Thomas Gleixner
2020-05-18 23:56 ` Andy Lutomirski
2020-05-20 12:35 ` Thomas Gleixner
2020-05-20 15:09 ` Andy Lutomirski
2020-05-20 15:27 ` Thomas Gleixner
2020-05-20 15:36 ` Andy Lutomirski
2020-05-18 23:51 ` Thomas Gleixner
2020-05-15 23:45 ` [patch V6 08/37] x86/entry/64: Move do_softirq_own_stack() to C Thomas Gleixner
2020-05-18 23:48 ` Andy Lutomirski
2020-05-15 23:45 ` [patch V6 09/37] x86/entry: Split idtentry_enter/exit() Thomas Gleixner
2020-05-18 23:49 ` Andy Lutomirski
2020-05-19 8:25 ` Thomas Gleixner
2020-05-15 23:45 ` [patch V6 10/37] x86/entry: Switch XEN/PV hypercall entry to IDTENTRY Thomas Gleixner
2020-05-19 17:06 ` Andy Lutomirski
2020-05-19 18:57 ` Thomas Gleixner
2020-05-19 19:44 ` Andy Lutomirski
2020-05-20 8:06 ` Jürgen Groß
2020-05-20 11:31 ` Andrew Cooper
2020-05-20 14:13 ` Thomas Gleixner
2020-05-20 15:16 ` Andy Lutomirski
2020-05-20 17:22 ` Andy Lutomirski
2020-05-20 19:16 ` Thomas Gleixner
2020-05-20 23:21 ` Andy Lutomirski
2020-05-21 10:45 ` Thomas Gleixner
2020-05-21 2:23 ` Boris Ostrovsky
2020-05-21 7:08 ` Thomas Gleixner
2020-05-15 23:45 ` [patch V6 11/37] x86/entry/64: Simplify idtentry_body Thomas Gleixner
2020-05-19 17:06 ` Andy Lutomirski
2020-05-15 23:45 ` [patch V6 12/37] x86/entry: Provide idtentry_entry/exit_cond_rcu() Thomas Gleixner
2020-05-19 17:08 ` Andy Lutomirski
2020-05-19 19:00 ` Thomas Gleixner
2020-05-19 20:20 ` Thomas Gleixner
2020-05-19 20:24 ` Andy Lutomirski
2020-05-19 21:20 ` Thomas Gleixner
2020-05-20 0:26 ` Andy Lutomirski
2020-05-20 2:23 ` Paul E. McKenney
2020-05-20 15:36 ` Andy Lutomirski
2020-05-20 16:51 ` Andy Lutomirski
2020-05-20 18:05 ` Paul E. McKenney
2020-05-20 19:49 ` Thomas Gleixner
2020-05-20 22:15 ` Paul E. McKenney
2020-05-20 23:25 ` Paul E. McKenney
2020-05-21 8:31 ` Thomas Gleixner
2020-05-21 13:39 ` Paul E. McKenney
2020-05-21 18:41 ` Thomas Gleixner
2020-05-21 19:04 ` Paul E. McKenney
2020-05-20 18:32 ` Thomas Gleixner
2020-05-20 19:24 ` Thomas Gleixner
2020-05-20 19:42 ` Paul E. McKenney
2020-05-20 17:38 ` Paul E. McKenney
2020-05-20 17:47 ` Andy Lutomirski
2020-05-20 18:11 ` Paul E. McKenney
2020-05-20 14:19 ` Thomas Gleixner
2020-05-27 8:12 ` [tip: x86/entry] " tip-bot2 for Thomas Gleixner
2020-05-15 23:46 ` [patch V6 13/37] x86/entry: Switch page fault exception to IDTENTRY_RAW Thomas Gleixner
2020-05-19 20:12 ` Andy Lutomirski
2020-05-15 23:46 ` [patch V6 14/37] x86/entry: Remove the transition leftovers Thomas Gleixner
2020-05-19 20:13 ` Andy Lutomirski
2020-05-15 23:46 ` [patch V6 15/37] x86/entry: Change exit path of xen_failsafe_callback Thomas Gleixner
2020-05-19 20:14 ` Andy Lutomirski
2020-05-15 23:46 ` [patch V6 16/37] x86/entry/64: Remove error_exit Thomas Gleixner
2020-05-19 20:14 ` Andy Lutomirski
2020-05-15 23:46 ` [patch V6 17/37] x86/entry/32: Remove common_exception Thomas Gleixner
2020-05-19 20:14 ` Andy Lutomirski
2020-05-15 23:46 ` [patch V6 18/37] x86/irq: Use generic irq_regs implementation Thomas Gleixner
2020-05-15 23:46 ` [patch V6 19/37] x86/irq: Convey vector as argument and not in ptregs Thomas Gleixner
2020-05-19 20:19 ` Andy Lutomirski
2020-05-21 13:22 ` Thomas Gleixner
2020-05-22 18:48 ` Boris Ostrovsky
2020-05-22 19:26 ` Josh Poimboeuf
2020-05-22 19:54 ` Thomas Gleixner
2020-05-15 23:46 ` Thomas Gleixner [this message]
2020-05-19 20:21 ` [patch V6 20/37] x86/irq/64: Provide handle_irq() Andy Lutomirski
2020-05-15 23:46 ` [patch V6 21/37] x86/entry: Add IRQENTRY_IRQ macro Thomas Gleixner
2020-05-19 20:27 ` Andy Lutomirski
2020-05-15 23:46 ` [patch V6 22/37] x86/entry: Use idtentry for interrupts Thomas Gleixner
2020-05-19 20:28 ` Andy Lutomirski
2020-05-15 23:46 ` [patch V6 23/37] x86/entry: Provide IDTENTRY_SYSVEC Thomas Gleixner
2020-05-20 0:29 ` Andy Lutomirski
2020-05-20 15:07 ` Thomas Gleixner
2020-05-15 23:46 ` [patch V6 24/37] x86/entry: Convert APIC interrupts to IDTENTRY_SYSVEC Thomas Gleixner
2020-05-20 0:27 ` Andy Lutomirski
2020-05-15 23:46 ` [patch V6 25/37] x86/entry: Convert SMP system vectors " Thomas Gleixner
2020-05-20 0:28 ` Andy Lutomirski
2020-05-15 23:46 ` [patch V6 26/37] x86/entry: Convert various system vectors Thomas Gleixner
2020-05-20 0:30 ` Andy Lutomirski
2020-05-15 23:46 ` [patch V6 27/37] x86/entry: Convert KVM vectors to IDTENTRY_SYSVEC Thomas Gleixner
2020-05-20 0:30 ` Andy Lutomirski
2020-05-15 23:46 ` [patch V6 28/37] x86/entry: Convert various hypervisor " Thomas Gleixner
2020-05-20 0:31 ` Andy Lutomirski
2020-05-15 23:46 ` [patch V6 29/37] x86/entry: Convert XEN hypercall vector " Thomas Gleixner
2020-05-20 0:31 ` Andy Lutomirski
2020-05-15 23:46 ` [patch V6 30/37] x86/entry: Convert reschedule interrupt to IDTENTRY_RAW Thomas Gleixner
2020-05-19 23:57 ` Andy Lutomirski
2020-05-20 15:08 ` Thomas Gleixner
2020-05-15 23:46 ` [patch V6 31/37] x86/entry: Remove the apic/BUILD interrupt leftovers Thomas Gleixner
2020-05-20 0:32 ` Andy Lutomirski
2020-05-15 23:46 ` [patch V6 32/37] x86/entry/64: Remove IRQ stack switching ASM Thomas Gleixner
2020-05-20 0:33 ` Andy Lutomirski
2020-05-15 23:46 ` [patch V6 33/37] x86/entry: Make enter_from_user_mode() static Thomas Gleixner
2020-05-20 0:34 ` Andy Lutomirski
2020-05-15 23:46 ` [patch V6 34/37] x86/entry/32: Remove redundant irq disable code Thomas Gleixner
2020-05-20 0:35 ` Andy Lutomirski
2020-05-15 23:46 ` [patch V6 35/37] x86/entry/64: Remove TRACE_IRQS_*_DEBUG Thomas Gleixner
2020-05-20 0:46 ` Andy Lutomirski
2020-05-15 23:46 ` [patch V6 36/37] x86/entry: Move paranoid irq tracing out of ASM code Thomas Gleixner
2020-05-20 0:53 ` Andy Lutomirski
2020-05-20 15:16 ` Thomas Gleixner
2020-05-20 17:13 ` Andy Lutomirski
2020-05-20 18:33 ` Thomas Gleixner
2020-05-15 23:46 ` [patch V6 37/37] x86/entry: Remove the TRACE_IRQS cruft Thomas Gleixner
2020-05-18 23:07 ` Andy Lutomirski
2020-05-16 17:18 ` [patch V6 00/37] x86/entry: Rework leftovers and merge plan Paul E. McKenney
2020-05-19 12:28 ` Joel Fernandes
2020-05-18 16:07 ` Peter Zijlstra
2020-05-18 18:53 ` Thomas Gleixner
2020-05-19 8:29 ` Peter Zijlstra
2020-05-18 20:24 ` Thomas Gleixner
2020-05-19 8:38 ` Peter Zijlstra
2020-05-19 9:02 ` Peter Zijlstra
2020-05-23 2:52 ` Lai Jiangshan
2020-05-23 13:08 ` Peter Zijlstra
2020-06-15 16:17 ` Peter Zijlstra
2020-05-19 9:06 ` Thomas Gleixner
2020-05-19 18:37 ` Steven Rostedt
2020-05-19 19:09 ` Thomas Gleixner
2020-05-19 19:13 ` Steven Rostedt
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