From: Joel Fernandes <joelagnelf@nvidia.com>
To: Sasha Levin <sashal@kernel.org>
Cc: stable <stable@vger.kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
rcu@vger.kernel.org, Guenter Roeck <linux@roeck-us.net>
Subject: Re: Tinyconfig build failures in v6.6.y and v6.12.y due to "srcu: Use irq_work to start GP in tiny SRCU"
Date: Mon, 26 Oct 2026 19:25:05 -0400 [thread overview]
Message-ID: <20261026232505.GA1044084@joelbox> (raw)
In-Reply-To: <2026-10-26-1-daily-reply-0001-srcu-tiny-irq-work-revert@kernel.org>
On Mon, Oct 26, 2026 at 06:55:52PM -0400, Sasha Levin wrote:
> > Bisect points to commit 58dd6e92725f ("srcu: Use irq_work to start GP in tiny SRCU")
> > in v6.12.y. Reverting this commit fixes the problem.
>
> Queued the revert for 6.12 and 6.6, thanks.
>
> > Adding "select IRQ_WORK" to "config TINY_SRCU" also fixes the build
> > problem, but I don't know if that is an acceptable / desirable solution.
> > If so, it should probably be added to the mainline kernel since the code
> > only builds there accidentally.
>
> That one is for Joel and the RCU maintainers to take up in mainline.
Thank you for the suggestion, I will add it for 7.5.
thanks,
Joel Fernandes
prev parent reply other threads:[~2026-10-26 23:25 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-25 19:18 Tinyconfig build failures in v6.6.y and v6.12.y due to "srcu: Use irq_work to start GP in tiny SRCU" Guenter Roeck
2026-10-26 22:55 ` Sasha Levin
2026-10-26 23:25 ` Joel Fernandes [this message]
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