From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: tianci xie <xiex16070@gmail.com>
Cc: Jiri Slaby <jirislaby@kernel.org>,
Krzysztof Kozlowski <krzk@kernel.org>,
Peter Griffin <peter.griffin@linaro.org>,
Alim Akhtar <alim.akhtar@samsung.com>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Samarth Narang <samarth.colleges@gmail.com>,
linux-serial@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/1] tty: serial: samsung: fix TX fifo underflow on flush race
Date: Sat, 31 Oct 2026 21:28:16 +0100 [thread overview]
Message-ID: <2026103142-shorten-shindig-bedc@gregkh> (raw)
In-Reply-To: <20261031152656.1422-1-xiex16070@gmail.com>
On Sat, Oct 31, 2026 at 11:26:55PM +0800, tianci xie wrote:
> I do not have a Linux machine of my own. The x86_64 build above was run
> on a rented Linux server, and the arm64 build was cross-compiled there
> with a no-libc aarch64 toolchain; that is as far as I can take testing
> without hardware. There is no Exynos or Apple board available to me, so
> the model is what stands in for a runtime reproduction. If you would
> rather have the flush modelled as a KUnit test in the tree, say so and I
> will send that instead.
Sorry, but stuff like this you are going to have to test on your own
system. Why would you do linux kernel work without that?
greg k-h
next prev parent reply other threads:[~2026-10-31 20:31 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-31 0:47 [BUG] serial: TX kfifo underflow when TCOFLUSH races with TX DMA (samsung, sprd, msm, pch_uart, tegra) Samarth Narang
2026-10-31 8:54 ` Greg Kroah-Hartman
2026-10-31 15:26 ` [PATCH 0/1] tty: serial: samsung: fix TX fifo underflow on flush race tianci xie
2026-10-31 15:26 ` [PATCH] " tianci xie
2026-10-31 20:28 ` Greg Kroah-Hartman [this message]
2026-11-01 2:40 ` [PATCH 0/1] " akari Akaza
2026-10-31 12:39 ` [PATCH 0/5] serial: fix TX kfifo underflow on flush in five drivers Samarth Narang
2026-10-31 12:39 ` [PATCH 1/5] tty: serial: samsung: fix TX kfifo underflow on flush Samarth Narang
2026-10-31 12:39 ` [PATCH 2/5] serial: tegra: don't advance the TX kfifo for a flushed transfer Samarth Narang
2026-10-31 12:39 ` [PATCH 3/5] serial: sprd: fix TX kfifo underflow on flush Samarth Narang
2026-10-31 12:39 ` [PATCH 4/5] tty: serial: msm: " Samarth Narang
2026-10-31 12:39 ` [PATCH 5/5] serial: pch_uart: " Samarth Narang
2026-10-31 12:59 ` [PATCH 0/5] serial: fix TX kfifo underflow on flush in five drivers Greg Kroah-Hartman
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