linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Peter Zijlstra <peterz@infradead.org>
To: Qian Cai <cai@lca.pw>
Cc: tglx@linutronix.de, luto@amacapital.net,
	linux-kernel@vger.kernel.org, x86@kernel.org,
	Lai Jiangshan <laijs@linux.alibaba.com>,
	sean.j.christopherson@intel.com, andrew.cooper3@citrix.com,
	daniel.thompson@linaro.org, a.darwish@linutronix.de,
	rostedt@goodmis.org, bigeasy@linutronix.de,
	Michael Ellerman <mpe@ellerman.id.au>,
	linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 11/14] x86/entry: Clarify irq_{enter,exit}_rcu()
Date: Tue, 2 Jun 2020 17:05:11 +0200	[thread overview]
Message-ID: <20200602150511.GH706478@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20200602144235.GA1129@lca.pw>

On Tue, Jun 02, 2020 at 10:42:35AM -0400, Qian Cai wrote:

> Reverted this commit fixed the POWER9 boot warning,

ARGH, I'm an idiot. Please try this instead:


diff --git a/kernel/softirq.c b/kernel/softirq.c
index a3eb6eba8c41..c4201b7f42b1 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -438,7 +438,7 @@ void irq_exit_rcu(void)
  */
 void irq_exit(void)
 {
-	irq_exit_rcu();
+	__irq_exit_rcu();
 	rcu_irq_exit();
 	 /* must be last! */
 	lockdep_hardirq_exit();



  reply	other threads:[~2020-06-02 15:06 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-29 21:27 [PATCH 00/14] x86/entry: disallow #DB more and x86/entry lockdep/nmi Peter Zijlstra
2020-05-29 21:27 ` [PATCH 01/14] x86/hw_breakpoint: Add within_area() to check data breakpoints Peter Zijlstra
2020-05-29 21:27 ` [PATCH 02/14] x86/hw_breakpoint: Prevent data breakpoints on direct GDT Peter Zijlstra
2020-05-30 12:45   ` Andrew Cooper
2020-05-30 15:15     ` Lai Jiangshan
2020-05-29 21:27 ` [PATCH 03/14] x86/hw_breakpoint: Prevent data breakpoints on per_cpu cpu_tss_rw Peter Zijlstra
2020-05-29 21:27 ` [PATCH 04/14] x86/hw_breakpoint: Prevent data breakpoints on user_pcid_flush_mask Peter Zijlstra
2020-05-29 21:27 ` [PATCH 05/14] x86/entry: Introduce local_db_{save,restore}() Peter Zijlstra
2020-05-30  9:57   ` [tip: x86/entry] " tip-bot2 for Peter Zijlstra
2020-05-29 21:27 ` [PATCH 06/14] x86/entry, nmi: Disable #DB Peter Zijlstra
2020-05-30  9:57   ` [tip: x86/entry] " tip-bot2 for Peter Zijlstra
2020-05-29 21:27 ` [PATCH 07/14] x86/entry, mce: Disallow #DB during #MC Peter Zijlstra
2020-05-30  9:57   ` [tip: x86/entry] " tip-bot2 for Peter Zijlstra
2020-05-29 21:27 ` [PATCH 08/14] x86/entry: Optimize local_db_save() for virt Peter Zijlstra
2020-05-30  9:57   ` [tip: x86/entry] " tip-bot2 for Peter Zijlstra
2020-06-03  1:17   ` [PATCH 08/14] " Sean Christopherson
2020-05-29 21:27 ` [PATCH 09/14] x86/entry: Remove debug IDT frobbing Peter Zijlstra
2020-05-30  9:57   ` [tip: x86/entry] " tip-bot2 for Peter Zijlstra
2020-05-29 21:27 ` [PATCH 10/14] x86/entry: Remove DBn stacks Peter Zijlstra
2020-05-30  9:57   ` [tip: x86/entry] " tip-bot2 for Peter Zijlstra
2020-05-29 21:27 ` [PATCH 11/14] x86/entry: Clarify irq_{enter,exit}_rcu() Peter Zijlstra
2020-05-30  9:57   ` [tip: x86/entry] " tip-bot2 for Peter Zijlstra
2020-06-02 14:42   ` [PATCH 11/14] " Qian Cai
2020-06-02 15:05     ` Peter Zijlstra [this message]
2020-06-02 18:47       ` Qian Cai
2020-06-03 17:50       ` [tip: x86/entry] x86/entry: Use __irq_exit_rcu() in irq_exit() tip-bot2 for Peter Zijlstra
2020-05-29 21:27 ` [PATCH 12/14] x86/entry: Rename trace_hardirqs_off_prepare() Peter Zijlstra
2020-05-30  9:57   ` [tip: x86/entry] " tip-bot2 for Peter Zijlstra
2020-05-29 21:27 ` [PATCH 13/14] lockdep: Prepare for NMI IRQ state tracking Peter Zijlstra
2020-05-29 22:14   ` Steven Rostedt
2020-05-29 22:25     ` Peter Zijlstra
2020-05-29 22:28       ` Steven Rostedt
2020-05-29 22:33       ` Peter Zijlstra
2020-06-02 20:00       ` Peter Zijlstra
2020-05-29 21:27 ` [PATCH 14/14] x86/entry: Fix NMI vs " Peter Zijlstra

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200602150511.GH706478@hirez.programming.kicks-ass.net \
    --to=peterz@infradead.org \
    --cc=a.darwish@linutronix.de \
    --cc=andrew.cooper3@citrix.com \
    --cc=bigeasy@linutronix.de \
    --cc=cai@lca.pw \
    --cc=daniel.thompson@linaro.org \
    --cc=laijs@linux.alibaba.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=luto@amacapital.net \
    --cc=mpe@ellerman.id.au \
    --cc=rostedt@goodmis.org \
    --cc=sean.j.christopherson@intel.com \
    --cc=tglx@linutronix.de \
    --cc=x86@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).