linux-kernel - [PATCH 06/11] smp: use smp_xcall_private() fron irq

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 14 Apr 2022 22:46:56 -0400
From:   Donghai Qiao <dqiao@...hat.com>
To:     akpm@...ux-foundation.org, sfr@...b.auug.org.au, arnd@...db.de,
        peterz@...radead.org, heying24@...wei.com,
        andriy.shevchenko@...ux.intel.com, axboe@...nel.dk,
        rdunlap@...radead.org, tglx@...utronix.de, gor@...ux.ibm.com
Cc:     donghai.w.qiao@...il.com, linux-kernel@...r.kernel.org,
        Donghai Qiao <dqiao@...hat.com>
Subject: [PATCH 06/11] smp: use smp_xcall_private() fron irq_work.c and core.c

irq_work.c and core.c should use the cross interface rather than
using a unpublished internal function __smp_call_single_queue.

Signed-off-by: Donghai Qiao <dqiao@...hat.com>
---
 kernel/irq_work.c   | 4 ++--
 kernel/sched/core.c | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/irq_work.c b/kernel/irq_work.c
index f7df715ec28e..dac94a625665 100644
--- a/kernel/irq_work.c
+++ b/kernel/irq_work.c
@@ -159,8 +159,8 @@ bool irq_work_queue_on(struct irq_work *work, int cpu)
 			if (!irq_work_claim(work))
 				goto out;
 		}
-
-		__smp_call_single_queue(cpu, &work->node.llist);
+		smp_xcall_private(cpu, (call_single_data_t *)&work->node.llist,
+					XCALL_TYPE_IRQ_WORK);
 	} else {
 		__irq_work_queue_local(work);
 	}
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 51efaabac3e4..417355fbe32d 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -3780,7 +3780,7 @@ static void __ttwu_queue_wakelist(struct task_struct *p, int cpu, int wake_flags
 	p->sched_remote_wakeup = !!(wake_flags & WF_MIGRATED);
 
 	WRITE_ONCE(rq->ttwu_pending, 1);
-	__smp_call_single_queue(cpu, &p->wake_entry.llist);
+	smp_xcall_private(cpu, (call_single_data_t *)&p->wake_entry.llist, XCALL_TYPE_TTWU);
 }
 
 void wake_up_if_idle(int cpu)
-- 
2.27.0