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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	"Peter Zijlstra (Intel)" <peterz@infradead.org>,
	Lee Jones <lee.jones@linaro.org>
Subject: [PATCH 4.4 09/38] futex: Use pi_state_update_owner() in put_pi_state()
Date: Mon,  8 Feb 2021 16:00:31 +0100	[thread overview]
Message-ID: <20210208145805.651620845@linuxfoundation.org> (raw)
In-Reply-To: <20210208145805.279815326@linuxfoundation.org>

From: Lee Jones <lee.jones@linaro.org>

From: Thomas Gleixner <tglx@linutronix.de>

[ Upstream commit 6ccc84f917d33312eb2846bd7b567639f585ad6d ]

No point in open coding it. This way it gains the extra sanity checks.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: stable@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 kernel/futex.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -874,10 +874,7 @@ static void free_pi_state(struct futex_p
 	 * and has cleaned up the pi_state already
 	 */
 	if (pi_state->owner) {
-		raw_spin_lock_irq(&pi_state->owner->pi_lock);
-		list_del_init(&pi_state->list);
-		raw_spin_unlock_irq(&pi_state->owner->pi_lock);
-
+		pi_state_update_owner(pi_state, NULL);
 		rt_mutex_proxy_unlock(&pi_state->pi_mutex);
 	}
 



  parent reply	other threads:[~2021-02-08 15:09 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-08 15:00 [PATCH 4.4 00/38] 4.4.257-rc1 review Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 01/38] net_sched: reject silly cell_log in qdisc_get_rtab() Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 02/38] futex,rt_mutex: Provide futex specific rt_mutex API Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 03/38] futex: Remove rt_mutex_deadlock_account_*() Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 04/38] futex: Rework inconsistent rt_mutex/futex_q state Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 05/38] futex: Avoid violating the 10th rule of futex Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 06/38] futex: Replace pointless printk in fixup_owner() Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 07/38] futex: Provide and use pi_state_update_owner() Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 08/38] rtmutex: Remove unused argument from rt_mutex_proxy_unlock() Greg Kroah-Hartman
2021-02-08 15:00 ` Greg Kroah-Hartman [this message]
2021-02-08 15:00 ` [PATCH 4.4 10/38] futex: Simplify fixup_pi_state_owner() Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 11/38] futex: Handle faults correctly for PI futexes Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 12/38] usb: udc: core: Use lock when write to soft_connect Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 13/38] scsi: libfc: Avoid invoking response handler twice if ep is already completed Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 14/38] scsi: ibmvfc: Set default timeout to avoid crash during migration Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 15/38] stable: clamp SUBLEVEL in 4.4 and 4.9 Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 16/38] USB: serial: cp210x: add pid/vid for WSDA-200-USB Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 17/38] USB: serial: cp210x: add new VID/PID for supporting Teraoka AD2000 Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 18/38] USB: serial: option: Adding support for Cinterion MV31 Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 19/38] Input: i8042 - unbreak Pegatron C15B Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 20/38] net: lapb: Copy the skb before sending a packet Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 21/38] ELF/MIPS build fix Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 22/38] elfcore: fix building with clang Greg Kroah-Hartman
2021-02-09 12:52   ` Pavel Machek
2021-02-09 13:01     ` Greg Kroah-Hartman
2021-02-09 19:10       ` Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 23/38] USB: gadget: legacy: fix an error code in eth_bind() Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 24/38] USB: usblp: dont call usb_set_interface if theres a single alt Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 25/38] usb: dwc2: Fix endpoint direction check in ep_from_windex Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 26/38] mac80211: fix station rate table updates on assoc Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 27/38] kretprobe: Avoid re-registration of the same kretprobe earlier Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 28/38] cifs: report error instead of invalid when revalidating a dentry fails Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 29/38] mmc: core: Limit retries when analyse of SDIO tuples fails Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 30/38] ARM: footbridge: fix dc21285 PCI configuration accessors Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 31/38] mm: hugetlbfs: fix cannot migrate the fallocated HugeTLB page Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 32/38] mm: hugetlb: fix a race between isolating and freeing page Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 33/38] mm: hugetlb: remove VM_BUG_ON_PAGE from page_huge_active Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 34/38] x86/build: Disable CET instrumentation in the kernel Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 35/38] x86/apic: Add extra serialization for non-serializing MSRs Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 36/38] Input: xpad - sync supported devices with fork on GitHub Greg Kroah-Hartman
2021-02-08 15:00 ` [PATCH 4.4 37/38] ACPI: thermal: Do not call acpi_thermal_check() directly Greg Kroah-Hartman
2021-02-08 15:01 ` [PATCH 4.4 38/38] ALSA: hda/realtek - Fix typo of pincfg for Dell quirk Greg Kroah-Hartman
2021-02-08 18:36 ` [PATCH 4.4 00/38] 4.4.257-rc1 review Pavel Machek
2021-02-08 20:43 ` Shuah Khan
2021-02-09 18:09 ` Guenter Roeck
2021-02-10  5:04 ` Naresh Kamboju

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