From: Thomas Gleixner <tglx@kernel.org>
To: LKML <linux-kernel@vger.kernel.org>
Cc: "Mathieu Desnoyers" <mathieu.desnoyers@efficios.com>,
"André Almeida" <andrealmeid@igalia.com>,
"Sebastian Andrzej Siewior" <bigeasy@linutronix.de>,
"Carlos O'Donell" <carlos@redhat.com>,
"Peter Zijlstra" <peterz@infradead.org>,
"Florian Weimer" <fweimer@redhat.com>,
"Rich Felker" <dalias@aerifal.cx>,
"Torvald Riegel" <triegel@redhat.com>,
"Darren Hart" <dvhart@infradead.org>,
"Ingo Molnar" <mingo@kernel.org>,
"Davidlohr Bueso" <dave@stgolabs.net>,
"Arnd Bergmann" <arnd@arndb.de>,
"Liam R . Howlett" <Liam.Howlett@oracle.com>,
"Uros Bizjak" <ubizjak@gmail.com>,
"Thomas Weißschuh" <linux@weissschuh.net>
Subject: Re: [patch v2 09/11] futex: Provide infrastructure to plug the non contended robust futex unlock race
Date: Fri, 20 Mar 2026 14:35:42 +0100 [thread overview]
Message-ID: <87jyv6k4i9.ffs@tglx> (raw)
In-Reply-To: <20260319231239.749930268@kernel.org>
On Fri, Mar 20 2026 at 00:24, Thomas Gleixner wrote:
> +#ifdef CONFIG_FUTEX_ROBUST_UNLOCK
> +void __futex_fixup_robust_unlock(struct pt_regs *regs, struct futex_unlock_cs_range *csr)
> +{
> + void __user *pop = arch_futex_robust_unlock_get_pop(regs);
> +
> + if (!pop)
> + return;
> +
> + futex_robust_list_clear_pending(pop, csr->cs_pop_size32 ? FLAGS_ROBUST_LIST32 : 0);
That needs to be
futex_robust_list_clear_pending(pop, csr->pop_size32 ? FLAGS_ROBUST_LIST32 : 0);
Somehow that fixup was lost on the devel machine. Fixed in the git tree.
Thanks,
tglx
next prev parent reply other threads:[~2026-03-20 13:35 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-19 23:24 [patch v2 00/11] futex: Address the robust futex unlock race for real Thomas Gleixner
2026-03-19 23:24 ` [patch v2 01/11] futex: Move futex task related data into a struct Thomas Gleixner
2026-03-20 14:59 ` André Almeida
2026-03-19 23:24 ` [patch v2 02/11] futex: Move futex related mm_struct " Thomas Gleixner
2026-03-20 15:00 ` André Almeida
2026-03-19 23:24 ` [patch v2 03/11] futex: Provide UABI defines for robust list entry modifiers Thomas Gleixner
2026-03-20 15:01 ` André Almeida
2026-03-19 23:24 ` [patch v2 04/11] uaccess: Provide unsafe_atomic_store_release_user() Thomas Gleixner
2026-03-20 9:11 ` Peter Zijlstra
2026-03-20 12:38 ` Thomas Gleixner
2026-03-20 16:07 ` André Almeida
2026-03-19 23:24 ` [patch v2 05/11] x86: Select ARCH_STORE_IMPLIES_RELEASE Thomas Gleixner
2026-03-20 16:08 ` André Almeida
2026-03-19 23:24 ` [patch v2 06/11] futex: Cleanup UAPI defines Thomas Gleixner
2026-03-20 16:09 ` André Almeida
2026-03-19 23:24 ` [patch v2 07/11] futex: Add support for unlocking robust futexes Thomas Gleixner
2026-03-20 17:14 ` André Almeida
2026-03-26 22:23 ` Thomas Gleixner
2026-03-27 0:48 ` André Almeida
2026-03-19 23:24 ` [patch v2 08/11] futex: Add robust futex unlock IP range Thomas Gleixner
2026-03-20 9:07 ` Peter Zijlstra
2026-03-20 12:07 ` Thomas Gleixner
2026-03-19 23:24 ` [patch v2 09/11] futex: Provide infrastructure to plug the non contended robust futex unlock race Thomas Gleixner
2026-03-20 13:35 ` Thomas Gleixner [this message]
2026-03-19 23:24 ` [patch v2 10/11] x86/vdso: Prepare for robust futex unlock support Thomas Gleixner
2026-03-19 23:25 ` [patch v2 11/11] x86/vdso: Implement __vdso_futex_robust_try_unlock() Thomas Gleixner
2026-03-20 7:14 ` Uros Bizjak
2026-03-20 12:48 ` Thomas Gleixner
2026-03-26 21:59 ` [patch v2 00/11] futex: Address the robust futex unlock race for real Thomas Gleixner
2026-03-26 22:08 ` Rich Felker
2026-03-27 3:42 ` André Almeida
2026-03-27 10:08 ` Thomas Gleixner
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