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From: "tip-bot2 for Peter Zijlstra" <tip-bot2@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org>,
	Juergen Gross <jgross@suse.com>,
	x86@kernel.org, linux-kernel@vger.kernel.org
Subject: [tip: objtool/core] x86/xen: Mark xen_force_evtchn_callback() noinstr
Date: Wed, 15 Sep 2021 15:49:17 -0000	[thread overview]
Message-ID: <163172095769.25758.11532406051825712065.tip-bot2@tip-bot2> (raw)
In-Reply-To: <20210624095148.996055323@infradead.org>

The following commit has been merged into the objtool/core branch of tip:

Commit-ID:     41b8edc60d7232d1f3e49165fb6de20f424c4385
Gitweb:        https://git.kernel.org/tip/41b8edc60d7232d1f3e49165fb6de20f424c4385
Author:        Peter Zijlstra <peterz@infradead.org>
AuthorDate:    Thu, 24 Jun 2021 11:41:21 +02:00
Committer:     Peter Zijlstra <peterz@infradead.org>
CommitterDate: Wed, 15 Sep 2021 15:51:51 +02:00

x86/xen: Mark xen_force_evtchn_callback() noinstr

vmlinux.o: warning: objtool: check_events()+0xd: call to xen_force_evtchn_callback() leaves .noinstr.text section

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20210624095148.996055323@infradead.org
---
 arch/x86/include/asm/xen/hypercall.h | 2 +-
 arch/x86/xen/irq.c                   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/include/asm/xen/hypercall.h b/arch/x86/include/asm/xen/hypercall.h
index 990b8aa..4a7ff8b 100644
--- a/arch/x86/include/asm/xen/hypercall.h
+++ b/arch/x86/include/asm/xen/hypercall.h
@@ -358,7 +358,7 @@ HYPERVISOR_event_channel_op(int cmd, void *arg)
 	return _hypercall2(int, event_channel_op, cmd, arg);
 }
 
-static inline int
+static __always_inline int
 HYPERVISOR_xen_version(int cmd, void *arg)
 {
 	return _hypercall2(int, xen_version, cmd, arg);
diff --git a/arch/x86/xen/irq.c b/arch/x86/xen/irq.c
index f52b60d..2f695b5 100644
--- a/arch/x86/xen/irq.c
+++ b/arch/x86/xen/irq.c
@@ -19,7 +19,7 @@
  * callback mask. We do this in a very simple manner, by making a call
  * down into Xen. The pending flag will be checked by Xen on return.
  */
-void xen_force_evtchn_callback(void)
+noinstr void xen_force_evtchn_callback(void)
 {
 	(void)HYPERVISOR_xen_version(0, NULL);
 }

  parent reply	other threads:[~2021-09-15 15:49 UTC|newest]

Thread overview: 101+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-24  9:40 [PATCH v2 00/24] objtool/x86: noinstr vs PARAVIRT Peter Zijlstra
2021-06-24  9:41 ` [PATCH v2 01/24] x86/xen: Mark cpu_bringup_and_idle() as dead_end_function Peter Zijlstra
2021-06-24 10:49   ` Juergen Gross
2021-06-30 11:47   ` Miroslav Benes
2021-08-20 19:22   ` Josh Poimboeuf
2021-08-20 19:31     ` Josh Poimboeuf
2021-08-23  8:40       ` Juergen Gross
2021-08-30  5:55         ` Juergen Gross
2021-08-30  7:48           ` Peter Zijlstra
2021-08-30  7:56             ` Juergen Gross
2021-09-15 15:49       ` [tip: objtool/core] x86/xen: Move hypercall_page to top of the file tip-bot2 for Josh Poimboeuf
2021-09-15 15:49   ` [tip: objtool/core] x86/xen: Mark cpu_bringup_and_idle() as dead_end_function tip-bot2 for Peter Zijlstra
2021-06-24  9:41 ` [PATCH v2 02/24] objtool: Introduce CFI hash Peter Zijlstra
2021-06-30 12:45   ` Miroslav Benes
2021-07-01  8:35     ` Peter Zijlstra
2021-07-01  8:53       ` Miroslav Benes
2021-08-20 22:27   ` Josh Poimboeuf
2021-08-25 10:13     ` Peter Zijlstra
2021-08-25 12:49       ` Peter Zijlstra
2021-08-25 10:15     ` Peter Zijlstra
2021-09-15 15:49   ` [tip: objtool/core] " tip-bot2 for Peter Zijlstra
2021-06-24  9:41 ` [PATCH v2 03/24] objtool: Handle __sanitize_cov*() tail calls Peter Zijlstra
2021-06-25 11:05   ` Marco Elver
2021-06-28  9:07     ` Peter Zijlstra
2021-06-25 13:38   ` Steven Rostedt
2021-06-26  8:18     ` Peter Zijlstra
2021-06-29  1:07       ` Steven Rostedt
2021-08-20 23:17   ` Josh Poimboeuf
2021-08-25 10:19     ` Peter Zijlstra
2021-09-15 15:49   ` [tip: objtool/core] " tip-bot2 for Peter Zijlstra
2021-06-24  9:41 ` [PATCH v2 04/24] x86/kvm: Always inline sev_*guest() Peter Zijlstra
2021-09-15 15:49   ` [tip: objtool/core] " tip-bot2 for Peter Zijlstra
2021-06-24  9:41 ` [PATCH v2 05/24] x86/kvm: Always inline vmload() / vmsave() Peter Zijlstra
2021-09-15 15:49   ` [tip: objtool/core] " tip-bot2 for Peter Zijlstra
2021-06-24  9:41 ` [PATCH v2 06/24] x86: Always inline context_tracking_guest_enter() Peter Zijlstra
2021-08-20 23:22   ` Josh Poimboeuf
2021-08-20 23:34     ` Josh Poimboeuf
2021-08-25 12:16       ` Peter Zijlstra
     [not found]         ` <YSZxtBHNJzoUbqdE@ravnborg.org>
2021-08-26  4:10           ` Josh Poimboeuf
2021-08-25 13:38       ` Peter Zijlstra
2021-09-15 15:49   ` [tip: objtool/core] " tip-bot2 for Peter Zijlstra
2021-06-24  9:41 ` [PATCH v2 07/24] x86/kvm: Always inline to_svm() Peter Zijlstra
2021-09-15 15:49   ` [tip: objtool/core] " tip-bot2 for Peter Zijlstra
2021-06-24  9:41 ` [PATCH v2 08/24] x86/kvm: Always inline evmcs_write64() Peter Zijlstra
2021-09-15 15:49   ` [tip: objtool/core] " tip-bot2 for Peter Zijlstra
2021-06-24  9:41 ` [PATCH v2 09/24] x86: Always inline ip_within_syscall_gap() Peter Zijlstra
2021-09-15 15:49   ` [tip: objtool/core] " tip-bot2 for Peter Zijlstra
2021-06-24  9:41 ` [PATCH v2 10/24] x86/sev: Fix noinstr for vc_ghcb_invalidate() Peter Zijlstra
2021-09-15 15:49   ` [tip: objtool/core] " tip-bot2 for Peter Zijlstra
2021-06-24  9:41 ` [PATCH v2 11/24] locking/lockdep: Avoid RCU-induced noinstr fail Peter Zijlstra
2021-09-15 15:49   ` [tip: objtool/core] " tip-bot2 for Peter Zijlstra
2021-06-24  9:41 ` [PATCH v2 12/24] x86/paravirt: Mark arch_local_irq_*() __always_inline Peter Zijlstra
2021-06-24 10:51   ` Juergen Gross
2021-09-15 15:49   ` [tip: objtool/core] " tip-bot2 for Peter Zijlstra
2021-06-24  9:41 ` [PATCH v2 13/24] x86/paravirt: Use PVOP_* for paravirt calls Peter Zijlstra
2021-06-24 10:52   ` Juergen Gross
2021-09-15 15:49   ` [tip: objtool/core] " tip-bot2 for Peter Zijlstra
2021-06-24  9:41 ` [PATCH v2 14/24] x86/xen: Make read_cr2() noinstr Peter Zijlstra
2021-06-24 10:55   ` Juergen Gross
2021-09-15 15:49   ` [tip: objtool/core] " tip-bot2 for Peter Zijlstra
2021-09-17 12:58   ` tip-bot2 for Peter Zijlstra
2021-06-24  9:41 ` [PATCH v2 15/24] x86/xen: Make write_cr2() noinstr Peter Zijlstra
2021-06-24 10:56   ` Juergen Gross
2021-09-15 15:49   ` [tip: objtool/core] " tip-bot2 for Peter Zijlstra
2021-09-17 12:58   ` tip-bot2 for Peter Zijlstra
2021-06-24  9:41 ` [PATCH v2 16/24] x86/xen: Make get_debugreg() noinstr Peter Zijlstra
2021-06-24 10:57   ` Juergen Gross
2021-09-15 15:49   ` [tip: objtool/core] " tip-bot2 for Peter Zijlstra
2021-09-17 12:58   ` tip-bot2 for Peter Zijlstra
2021-06-24  9:41 ` [PATCH v2 17/24] x86/xen: Make set_debugreg() noinstr Peter Zijlstra
2021-06-24 10:59   ` Juergen Gross
2021-09-15 15:49   ` [tip: objtool/core] " tip-bot2 for Peter Zijlstra
2021-09-17 12:58   ` tip-bot2 for Peter Zijlstra
2021-06-24  9:41 ` [PATCH v2 18/24] x86/xen: Make save_fl() noinstr Peter Zijlstra
2021-06-24 11:07   ` Juergen Gross
2021-09-15 15:49   ` [tip: objtool/core] " tip-bot2 for Peter Zijlstra
2021-09-17 12:58   ` tip-bot2 for Peter Zijlstra
2021-06-24  9:41 ` [PATCH v2 19/24] x86/xen: Make hypercall_page noinstr Peter Zijlstra
2021-06-24 11:08   ` Juergen Gross
2021-09-15 15:49   ` [tip: objtool/core] " tip-bot2 for Peter Zijlstra
2021-09-17 12:58   ` tip-bot2 for Peter Zijlstra
2021-06-24  9:41 ` [PATCH v2 20/24] x86/xen: Make irq_enable() noinstr Peter Zijlstra
2021-06-24 11:09   ` Juergen Gross
2021-09-15 15:49   ` [tip: objtool/core] " tip-bot2 for Peter Zijlstra
2021-09-17 12:58   ` tip-bot2 for Peter Zijlstra
2021-06-24  9:41 ` [PATCH v2 21/24] x86/xen: Make irq_disable() noinstr Peter Zijlstra
2021-06-24 11:10   ` Juergen Gross
2021-09-15 15:49   ` [tip: objtool/core] " tip-bot2 for Peter Zijlstra
2021-09-17 12:58   ` tip-bot2 for Peter Zijlstra
2021-06-24  9:41 ` [PATCH v2 22/24] x86/xen: Mark xen_force_evtchn_callback() noinstr Peter Zijlstra
2021-06-24 11:11   ` Juergen Gross
2021-09-15 15:49   ` tip-bot2 for Peter Zijlstra [this message]
2021-09-17 12:58   ` [tip: objtool/core] " tip-bot2 for Peter Zijlstra
2021-06-24  9:41 ` [PATCH v2 23/24] x86/xen: Rework the xen_{cpu,irq,mmu}_ops[] arrays Peter Zijlstra
2021-06-24 12:12   ` Juergen Gross
2021-09-15 15:49   ` [tip: objtool/core] x86/xen: Rework the xen_{cpu,irq,mmu}_opsarrays tip-bot2 for Peter Zijlstra
2021-09-17 12:58   ` tip-bot2 for Peter Zijlstra
2021-06-24  9:41 ` [PATCH v2 24/24] objtool: Support pv_opsindirect calls for noinstr Peter Zijlstra
2021-09-15 15:49   ` [tip: objtool/core] " tip-bot2 for Peter Zijlstra
2021-09-17 12:58   ` tip-bot2 for Peter Zijlstra
2021-06-24 13:05 ` [PATCH v2 00/24] objtool/x86: noinstr vs PARAVIRT Steven Rostedt

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