linux-kernel - linux-next: build failure after merge of the cgroup tree

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Date:   Mon, 12 Sep 2022 16:18:12 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Tejun Heo <tj@...nel.org>, Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Peter Zijlstra <peterz@...radead.org>
Cc:     Chengming Zhou <zhouchengming@...edance.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: linux-next: build failure after merge of the cgroup tree

Hi all,

After merging the cgroup tree, today's linux-next build (x86_64
allmodconfig) failed like this:

kernel/cgroup/cgroup.c:5275:26: error: 'CFTYPE_PRESSURE' undeclared here (not in a function)
 5275 |                 .flags = CFTYPE_PRESSURE,
      |                          ^~~~~~~~~~~~~~~

Caused by commit

  8a693f7766f9 ("cgroup: Remove CFTYPE_PRESSURE")

inteacting with commits

  52b1364ba0b1 ("sched/psi: Add PSI_IRQ to track IRQ/SOFTIRQ pressure")
  34f26a15611a ("sched/psi: Per-cgroup PSI accounting disable/re-enable interface")

from the tip tree.

I have applied the following merge fix patch.

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Mon, 12 Sep 2022 16:15:33 +1000
Subject: [PATCH] sched/psi: fix up for "cgroup: Remove CFTYPE_PRESSURE"

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 kernel/cgroup/cgroup.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 974ca46c6d7b..829aa42e773e 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -5272,7 +5272,6 @@ static struct cftype cgroup_psi_files[] = {
 #ifdef CONFIG_IRQ_TIME_ACCOUNTING
 	{
 		.name = "irq.pressure",
-		.flags = CFTYPE_PRESSURE,
 		.file_offset = offsetof(struct cgroup, psi_files[PSI_IRQ]),
 		.seq_show = cgroup_irq_pressure_show,
 		.write = cgroup_irq_pressure_write,
@@ -5282,7 +5281,6 @@ static struct cftype cgroup_psi_files[] = {
 #endif
 	{
 		.name = "cgroup.pressure",
-		.flags = CFTYPE_PRESSURE,
 		.seq_show = cgroup_pressure_show,
 		.write = cgroup_pressure_write,
 	},
-- 
2.35.1

-- 
Cheers,
Stephen Rothwell

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