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 25/37] x86/entry: Convert SMP system vectors to IDTENTRY_SYSVEC
Date: Sat, 16 May 2020 01:46:12 +0200 [thread overview]
Message-ID: <20200515235126.912643204@linutronix.de> (raw)
In-Reply-To: 20200515234547.710474468@linutronix.de
Convert SMP system vectors to IDTENTRY_SYSVEC
- Implement the C entry point with DEFINE_IDTENTRY_SYSVEC
- Emit the ASM stub with DECLARE_IDTENTRY_SYSVEC
- Remove the ASM idtentries in 64bit
- Remove the BUILD_INTERRUPT entries in 32bit
- Remove the old prototypes
No functional change.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S
index 6e629e5d5047..c1a47d37f29e 100644
--- a/arch/x86/entry/entry_64.S
+++ b/arch/x86/entry/entry_64.S
@@ -956,11 +956,6 @@ apicinterrupt3 \num \sym \do_sym
POP_SECTION_IRQENTRY
.endm
-#ifdef CONFIG_SMP
-apicinterrupt3 IRQ_MOVE_CLEANUP_VECTOR irq_move_cleanup_interrupt smp_irq_move_cleanup_interrupt
-apicinterrupt3 REBOOT_VECTOR reboot_interrupt smp_reboot_interrupt
-#endif
-
#ifdef CONFIG_X86_UV
apicinterrupt3 UV_BAU_MESSAGE uv_bau_message_intr1 uv_bau_message_interrupt
#endif
@@ -984,8 +979,6 @@ apicinterrupt THERMAL_APIC_VECTOR thermal_interrupt smp_thermal_interrupt
#endif
#ifdef CONFIG_SMP
-apicinterrupt CALL_FUNCTION_SINGLE_VECTOR call_function_single_interrupt smp_call_function_single_interrupt
-apicinterrupt CALL_FUNCTION_VECTOR call_function_interrupt smp_call_function_interrupt
apicinterrupt RESCHEDULE_VECTOR reschedule_interrupt smp_reschedule_interrupt
#endif
diff --git a/arch/x86/include/asm/entry_arch.h b/arch/x86/include/asm/entry_arch.h
index d10d6d807e73..2e2055bcfeb2 100644
--- a/arch/x86/include/asm/entry_arch.h
+++ b/arch/x86/include/asm/entry_arch.h
@@ -12,10 +12,6 @@
*/
#ifdef CONFIG_SMP
BUILD_INTERRUPT(reschedule_interrupt,RESCHEDULE_VECTOR)
-BUILD_INTERRUPT(call_function_interrupt,CALL_FUNCTION_VECTOR)
-BUILD_INTERRUPT(call_function_single_interrupt,CALL_FUNCTION_SINGLE_VECTOR)
-BUILD_INTERRUPT(irq_move_cleanup_interrupt, IRQ_MOVE_CLEANUP_VECTOR)
-BUILD_INTERRUPT(reboot_interrupt, REBOOT_VECTOR)
#endif
#ifdef CONFIG_HAVE_KVM
diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index 1765993360e7..36a38695f27f 100644
--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -38,14 +38,9 @@ extern asmlinkage void uv_bau_message_intr1(void);
extern asmlinkage void thermal_interrupt(void);
extern asmlinkage void reschedule_interrupt(void);
-extern asmlinkage void irq_move_cleanup_interrupt(void);
-extern asmlinkage void reboot_interrupt(void);
extern asmlinkage void threshold_interrupt(void);
extern asmlinkage void deferred_error_interrupt(void);
-extern asmlinkage void call_function_interrupt(void);
-extern asmlinkage void call_function_single_interrupt(void);
-
#ifdef CONFIG_X86_LOCAL_APIC
struct irq_data;
struct pci_dev;
diff --git a/arch/x86/include/asm/idtentry.h b/arch/x86/include/asm/idtentry.h
index 6154d1e75fce..20e47b8d4024 100644
--- a/arch/x86/include/asm/idtentry.h
+++ b/arch/x86/include/asm/idtentry.h
@@ -575,6 +575,13 @@ DECLARE_IDTENTRY_SYSVEC(LOCAL_TIMER_VECTOR, sysvec_apic_timer_interrupt);
DECLARE_IDTENTRY_SYSVEC(X86_PLATFORM_IPI_VECTOR, sysvec_x86_platform_ipi);
#endif
+#ifdef CONFIG_SMP
+DECLARE_IDTENTRY_SYSVEC(IRQ_MOVE_CLEANUP_VECTOR, sysvec_irq_move_cleanup);
+DECLARE_IDTENTRY_SYSVEC(REBOOT_VECTOR, sysvec_reboot);
+DECLARE_IDTENTRY_SYSVEC(CALL_FUNCTION_SINGLE_VECTOR, sysvec_call_function_single);
+DECLARE_IDTENTRY_SYSVEC(CALL_FUNCTION_VECTOR, sysvec_call_function);
+#endif
+
#undef X86_TRAP_OTHER
#endif
diff --git a/arch/x86/include/asm/traps.h b/arch/x86/include/asm/traps.h
index 933934c3e173..0c40f37f8cb7 100644
--- a/arch/x86/include/asm/traps.h
+++ b/arch/x86/include/asm/traps.h
@@ -40,8 +40,6 @@ asmlinkage void smp_threshold_interrupt(struct pt_regs *regs);
asmlinkage void smp_deferred_error_interrupt(struct pt_regs *regs);
#endif
-asmlinkage void smp_irq_move_cleanup_interrupt(void);
-
#ifdef CONFIG_VMAP_STACK
void __noreturn handle_stack_overflow(const char *message,
struct pt_regs *regs,
diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index 67768e54438b..c48be6e1f676 100644
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -861,13 +861,13 @@ static void free_moved_vector(struct apic_chip_data *apicd)
apicd->move_in_progress = 0;
}
-asmlinkage __visible void __irq_entry smp_irq_move_cleanup_interrupt(void)
+DEFINE_IDTENTRY_SYSVEC(sysvec_irq_move_cleanup)
{
struct hlist_head *clhead = this_cpu_ptr(&cleanup_list);
struct apic_chip_data *apicd;
struct hlist_node *tmp;
- entering_ack_irq();
+ ack_APIC_irq();
/* Prevent vectors vanishing under us */
raw_spin_lock(&vector_lock);
@@ -892,7 +892,6 @@ asmlinkage __visible void __irq_entry smp_irq_move_cleanup_interrupt(void)
}
raw_spin_unlock(&vector_lock);
- exiting_irq();
}
static void __send_cleanup_vector(struct apic_chip_data *apicd)
diff --git a/arch/x86/kernel/idt.c b/arch/x86/kernel/idt.c
index 7e38af51480d..95abcd52e5be 100644
--- a/arch/x86/kernel/idt.c
+++ b/arch/x86/kernel/idt.c
@@ -109,11 +109,11 @@ static const __initconst struct idt_data def_idts[] = {
*/
static const __initconst struct idt_data apic_idts[] = {
#ifdef CONFIG_SMP
- INTG(RESCHEDULE_VECTOR, reschedule_interrupt),
- INTG(CALL_FUNCTION_VECTOR, call_function_interrupt),
- INTG(CALL_FUNCTION_SINGLE_VECTOR, call_function_single_interrupt),
- INTG(IRQ_MOVE_CLEANUP_VECTOR, irq_move_cleanup_interrupt),
- INTG(REBOOT_VECTOR, reboot_interrupt),
+ INTG(RESCHEDULE_VECTOR, reschedule_interrupt),
+ INTG(CALL_FUNCTION_VECTOR, asm_sysvec_call_function),
+ INTG(CALL_FUNCTION_SINGLE_VECTOR, asm_sysvec_call_function_single),
+ INTG(IRQ_MOVE_CLEANUP_VECTOR, asm_sysvec_irq_move_cleanup),
+ INTG(REBOOT_VECTOR, asm_sysvec_reboot),
#endif
#ifdef CONFIG_X86_THERMAL_VECTOR
diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c
index b8d4e9c3c070..e5647daa7e96 100644
--- a/arch/x86/kernel/smp.c
+++ b/arch/x86/kernel/smp.c
@@ -27,6 +27,7 @@
#include <asm/mmu_context.h>
#include <asm/proto.h>
#include <asm/apic.h>
+#include <asm/idtentry.h>
#include <asm/nmi.h>
#include <asm/mce.h>
#include <asm/trace/irq_vectors.h>
@@ -130,13 +131,11 @@ static int smp_stop_nmi_callback(unsigned int val, struct pt_regs *regs)
/*
* this function calls the 'stop' function on all other CPUs in the system.
*/
-
-asmlinkage __visible void smp_reboot_interrupt(void)
+DEFINE_IDTENTRY_SYSVEC(sysvec_reboot)
{
- ipi_entering_ack_irq();
+ ack_APIC_irq();
cpu_emergency_vmxoff();
stop_this_cpu(NULL);
- irq_exit();
}
static int register_stop_handler(void)
@@ -227,7 +226,6 @@ __visible void __irq_entry smp_reschedule_interrupt(struct pt_regs *regs)
{
ack_APIC_irq();
inc_irq_stat(irq_resched_count);
- kvm_set_cpu_l1tf_flush_l1d();
if (trace_resched_ipi_enabled()) {
/*
@@ -244,24 +242,22 @@ __visible void __irq_entry smp_reschedule_interrupt(struct pt_regs *regs)
scheduler_ipi();
}
-__visible void __irq_entry smp_call_function_interrupt(struct pt_regs *regs)
+DEFINE_IDTENTRY_SYSVEC(sysvec_call_function)
{
- ipi_entering_ack_irq();
+ ack_APIC_irq();
trace_call_function_entry(CALL_FUNCTION_VECTOR);
inc_irq_stat(irq_call_count);
generic_smp_call_function_interrupt();
trace_call_function_exit(CALL_FUNCTION_VECTOR);
- exiting_irq();
}
-__visible void __irq_entry smp_call_function_single_interrupt(struct pt_regs *r)
+DEFINE_IDTENTRY_SYSVEC(sysvec_call_function_single)
{
- ipi_entering_ack_irq();
+ ack_APIC_irq();
trace_call_function_single_entry(CALL_FUNCTION_SINGLE_VECTOR);
inc_irq_stat(irq_call_count);
generic_smp_call_function_single_interrupt();
trace_call_function_single_exit(CALL_FUNCTION_SINGLE_VECTOR);
- exiting_irq();
}
static int __init nonmi_ipi_setup(char *str)
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 ` [patch V6 20/37] x86/irq/64: Provide handle_irq() Thomas Gleixner
2020-05-19 20:21 ` 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 ` Thomas Gleixner [this message]
2020-05-20 0:28 ` [patch V6 25/37] x86/entry: Convert SMP system vectors " 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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