From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Johan Hovold <johan+linaro@kernel.org>,
Georgi Djakov <djakov@kernel.org>
Cc: "Shawn Guo" <shawnguo@kernel.org>,
"Sascha Hauer" <s.hauer@pengutronix.de>,
"Pengutronix Kernel Team" <kernel@pengutronix.de>,
"Fabio Estevam" <festevam@gmail.com>,
"NXP Linux Team" <linux-imx@nxp.com>,
"Andy Gross" <agross@kernel.org>,
"Bjorn Andersson" <andersson@kernel.org>,
"Konrad Dybcio" <konrad.dybcio@linaro.org>,
"Sylwester Nawrocki" <s.nawrocki@samsung.com>,
"Artur Świgoń" <a.swigon@samsung.com>,
"Alim Akhtar" <alim.akhtar@samsung.com>,
"Thierry Reding" <thierry.reding@gmail.com>,
"Jonathan Hunter" <jonathanh@nvidia.com>,
linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-arm-msm@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org, "Dmitry Osipenko" <digetx@gmail.com>
Subject: Re: [PATCH 19/23] memory: tegra20-emc: fix interconnect registration race
Date: Thu, 2 Feb 2023 13:21:14 +0100 [thread overview]
Message-ID: <eb6a352b-1131-922f-4318-56a277b46dcf@linaro.org> (raw)
In-Reply-To: <20230201101559.15529-20-johan+linaro@kernel.org>
On 01/02/2023 11:15, Johan Hovold wrote:
> The current interconnect provider registration interface is inherently
> racy as nodes are not added until the after adding the provider. This
> can specifically cause racing DT lookups to fail.
>
> Switch to using the new API where the provider is not registered until
> after it has been fully initialised.
>
> Fixes: d5ef16ba5fbe ("memory: tegra20: Support interconnect framework")
> Cc: stable@vger.kernel.org # 5.11
> Cc: Dmitry Osipenko <digetx@gmail.com>
> Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Best regards,
Krzysztof
WARNING: multiple messages have this Message-ID (diff)
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Johan Hovold <johan+linaro@kernel.org>,
Georgi Djakov <djakov@kernel.org>
Cc: "Shawn Guo" <shawnguo@kernel.org>,
"Sascha Hauer" <s.hauer@pengutronix.de>,
"Pengutronix Kernel Team" <kernel@pengutronix.de>,
"Fabio Estevam" <festevam@gmail.com>,
"NXP Linux Team" <linux-imx@nxp.com>,
"Andy Gross" <agross@kernel.org>,
"Bjorn Andersson" <andersson@kernel.org>,
"Konrad Dybcio" <konrad.dybcio@linaro.org>,
"Sylwester Nawrocki" <s.nawrocki@samsung.com>,
"Artur Świgoń" <a.swigon@samsung.com>,
"Alim Akhtar" <alim.akhtar@samsung.com>,
"Thierry Reding" <thierry.reding@gmail.com>,
"Jonathan Hunter" <jonathanh@nvidia.com>,
linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-arm-msm@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org, "Dmitry Osipenko" <digetx@gmail.com>
Subject: Re: [PATCH 19/23] memory: tegra20-emc: fix interconnect registration race
Date: Thu, 2 Feb 2023 13:21:14 +0100 [thread overview]
Message-ID: <eb6a352b-1131-922f-4318-56a277b46dcf@linaro.org> (raw)
In-Reply-To: <20230201101559.15529-20-johan+linaro@kernel.org>
On 01/02/2023 11:15, Johan Hovold wrote:
> The current interconnect provider registration interface is inherently
> racy as nodes are not added until the after adding the provider. This
> can specifically cause racing DT lookups to fail.
>
> Switch to using the new API where the provider is not registered until
> after it has been fully initialised.
>
> Fixes: d5ef16ba5fbe ("memory: tegra20: Support interconnect framework")
> Cc: stable@vger.kernel.org # 5.11
> Cc: Dmitry Osipenko <digetx@gmail.com>
> Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Best regards,
Krzysztof
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next prev parent reply other threads:[~2023-02-02 12:21 UTC|newest]
Thread overview: 118+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-01 10:15 [PATCH 00/23] interconnect: fix racy provider registration Johan Hovold
2023-02-01 10:15 ` Johan Hovold
2023-02-01 10:15 ` [PATCH 01/23] interconnect: fix mem leak when freeing nodes Johan Hovold
2023-02-01 10:15 ` Johan Hovold
2023-02-01 11:18 ` Konrad Dybcio
2023-02-01 11:18 ` Konrad Dybcio
2023-02-01 10:15 ` [PATCH 02/23] interconnect: fix icc_provider_del() error handling Johan Hovold
2023-02-01 10:15 ` Johan Hovold
2023-02-01 11:16 ` Konrad Dybcio
2023-02-01 11:16 ` Konrad Dybcio
2023-02-01 10:15 ` [PATCH 03/23] interconnect: fix provider registration API Johan Hovold
2023-02-01 10:15 ` Johan Hovold
2023-02-03 2:48 ` Konrad Dybcio
2023-02-03 2:48 ` Konrad Dybcio
2023-02-01 10:15 ` [PATCH 04/23] interconnect: imx: fix registration race Johan Hovold
2023-02-01 10:15 ` Johan Hovold
2023-02-03 2:49 ` Konrad Dybcio
2023-02-03 2:49 ` Konrad Dybcio
2023-02-03 16:01 ` Luca Ceresoli
2023-02-03 16:01 ` Luca Ceresoli
2023-02-06 8:09 ` Johan Hovold
2023-02-06 8:09 ` Johan Hovold
2023-02-06 20:52 ` Luca Ceresoli
2023-02-06 20:52 ` Luca Ceresoli
2023-02-01 10:15 ` [PATCH 05/23] interconnect: qcom: osm-l3: " Johan Hovold
2023-02-01 10:15 ` Johan Hovold
2023-02-03 2:51 ` Konrad Dybcio
2023-02-03 2:51 ` Konrad Dybcio
2023-02-01 10:15 ` [PATCH 06/23] interconnect: qcom: rpm: fix probe child-node error handling Johan Hovold
2023-02-01 10:15 ` Johan Hovold
2023-02-03 2:52 ` Konrad Dybcio
2023-02-03 2:52 ` Konrad Dybcio
2023-02-01 10:15 ` [PATCH 07/23] interconnect: qcom: rpm: fix probe PM domain " Johan Hovold
2023-02-01 10:15 ` Johan Hovold
2023-02-03 2:53 ` Konrad Dybcio
2023-02-03 2:53 ` Konrad Dybcio
2023-03-11 18:17 ` Christophe JAILLET
2023-03-11 18:17 ` Christophe JAILLET
2023-03-13 8:18 ` Johan Hovold
2023-03-13 8:18 ` Johan Hovold
2023-02-01 10:15 ` [PATCH 08/23] interconnect: qcom: rpm: fix registration race Johan Hovold
2023-02-01 10:15 ` Johan Hovold
2023-02-03 2:53 ` Konrad Dybcio
2023-02-03 2:53 ` Konrad Dybcio
2023-02-03 4:06 ` Jun Nie
2023-02-03 4:06 ` Jun Nie
2023-02-01 10:15 ` [PATCH 09/23] interconnect: qcom: rpmh: fix probe child-node error handling Johan Hovold
2023-02-01 10:15 ` Johan Hovold
2023-02-03 2:54 ` Konrad Dybcio
2023-02-03 2:54 ` Konrad Dybcio
2023-02-01 10:15 ` [PATCH 10/23] interconnect: qcom: rpmh: fix registration race Johan Hovold
2023-02-01 10:15 ` Johan Hovold
2023-02-03 2:55 ` Konrad Dybcio
2023-02-03 2:55 ` Konrad Dybcio
2023-02-01 10:15 ` [PATCH 11/23] interconnect: qcom: msm8974: " Johan Hovold
2023-02-01 10:15 ` Johan Hovold
2023-02-02 23:13 ` Brian Masney
2023-02-02 23:13 ` Brian Masney
2023-02-03 2:56 ` Konrad Dybcio
2023-02-03 2:56 ` Konrad Dybcio
2023-02-01 10:15 ` [PATCH 12/23] interconnect: qcom: sm8450: " Johan Hovold
2023-02-01 10:15 ` Johan Hovold
2023-02-03 2:56 ` Konrad Dybcio
2023-02-03 2:56 ` Konrad Dybcio
2023-02-06 12:10 ` Vinod Koul
2023-02-06 12:10 ` Vinod Koul
2023-02-01 10:15 ` [PATCH 13/23] interconnect: qcom: sm8550: " Johan Hovold
2023-02-01 10:15 ` Johan Hovold
2023-02-01 10:20 ` Abel Vesa
2023-02-01 10:20 ` Abel Vesa
2023-02-03 2:57 ` Konrad Dybcio
2023-02-03 2:57 ` Konrad Dybcio
2023-02-01 10:15 ` [PATCH 14/23] interconnect: exynos: fix node leak in probe PM QoS error path Johan Hovold
2023-02-01 10:15 ` Johan Hovold
2023-02-02 10:58 ` Krzysztof Kozlowski
2023-02-02 10:58 ` Krzysztof Kozlowski
2023-02-01 10:15 ` [PATCH 15/23] interconnect: exynos: fix registration race Johan Hovold
2023-02-01 10:15 ` Johan Hovold
2023-02-02 11:04 ` Krzysztof Kozlowski
2023-02-02 11:04 ` Krzysztof Kozlowski
2023-02-02 12:17 ` Johan Hovold
2023-02-02 12:17 ` Johan Hovold
2023-02-02 12:20 ` Krzysztof Kozlowski
2023-02-02 12:20 ` Krzysztof Kozlowski
2023-02-01 10:15 ` [PATCH 16/23] interconnect: exynos: drop redundant link destroy Johan Hovold
2023-02-01 10:15 ` Johan Hovold
2023-02-02 11:09 ` Krzysztof Kozlowski
2023-02-02 11:09 ` Krzysztof Kozlowski
2023-02-01 10:15 ` [PATCH 17/23] memory: tegra: fix interconnect registration race Johan Hovold
2023-02-01 10:15 ` Johan Hovold
2023-02-02 12:21 ` Krzysztof Kozlowski
2023-02-02 12:21 ` Krzysztof Kozlowski
2023-02-01 10:15 ` [PATCH 18/23] memory: tegra124-emc: " Johan Hovold
2023-02-01 10:15 ` Johan Hovold
2023-02-02 12:21 ` Krzysztof Kozlowski
2023-02-02 12:21 ` Krzysztof Kozlowski
2023-02-01 10:15 ` [PATCH 19/23] memory: tegra20-emc: " Johan Hovold
2023-02-01 10:15 ` Johan Hovold
2023-02-02 12:21 ` Krzysztof Kozlowski [this message]
2023-02-02 12:21 ` Krzysztof Kozlowski
2023-02-01 10:15 ` [PATCH 20/23] memory: tegra30-emc: " Johan Hovold
2023-02-01 10:15 ` Johan Hovold
2023-02-02 12:21 ` Krzysztof Kozlowski
2023-02-02 12:21 ` Krzysztof Kozlowski
2023-02-01 10:15 ` [PATCH 21/23] interconnect: drop racy registration API Johan Hovold
2023-02-01 10:15 ` Johan Hovold
2023-02-03 2:58 ` Konrad Dybcio
2023-02-03 2:58 ` Konrad Dybcio
2023-02-01 10:15 ` [PATCH 22/23] interconnect: drop unused icc_get() interface Johan Hovold
2023-02-01 10:15 ` Johan Hovold
2023-02-03 2:59 ` Konrad Dybcio
2023-02-03 2:59 ` Konrad Dybcio
2023-02-01 10:15 ` [PATCH 23/23] interconnect: drop unused icc_link_destroy() interface Johan Hovold
2023-02-01 10:15 ` Johan Hovold
2023-02-02 11:13 ` [PATCH 00/23] interconnect: fix racy provider registration Krzysztof Kozlowski
2023-02-02 11:13 ` Krzysztof Kozlowski
2023-02-02 12:20 ` Johan Hovold
2023-02-02 12:20 ` Johan Hovold
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