From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: Bernhard Beschow <shentey@gmail.com>, qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org, Paolo Bonzini <pbonzini@redhat.com>,
Peter Maydell <peter.maydell@linaro.org>
Subject: Re: [PATCH v2 2/2] hw/arm/imx8mp-evk: Fix guest time in KVM mode
Date: Fri, 31 Oct 2025 15:03:50 +0100 [thread overview]
Message-ID: <c1e09752-49a3-419e-8849-6dab8507dda4@linaro.org> (raw)
In-Reply-To: <20251029142311.2986-3-shentey@gmail.com>
On 29/10/25 15:23, Bernhard Beschow wrote:
> The imx8mp DTB hardcodes the clock frequency of the system counter to 8MHz.
> In KVM mode, the host CPU is used whose system counter runs at a different
> frequency, resulting in the guest clock running slower or faster. Fix this
> by not hardcoding the clock frequency which makes the Linux driver read
> the real clock frequency from the register.
>
> Signed-off-by: Bernhard Beschow <shentey@gmail.com>
> ---
> hw/arm/imx8mp-evk.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
next prev parent reply other threads:[~2025-10-31 14:04 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-29 14:23 [PATCH v2 0/2] KVM Support for imx8mp-evk Machine Bernhard Beschow
2025-10-29 14:23 ` [PATCH v2 1/2] hw/arm/imx8mp-evk: Add KVM support Bernhard Beschow
2025-10-29 14:23 ` [PATCH v2 2/2] hw/arm/imx8mp-evk: Fix guest time in KVM mode Bernhard Beschow
2025-10-31 14:03 ` Philippe Mathieu-Daudé [this message]
2025-10-31 11:16 ` [PATCH v2 0/2] KVM Support for imx8mp-evk Machine Bernhard Beschow
2025-10-31 16:57 ` Peter Maydell
2025-10-31 17:12 ` Peter Maydell
2025-10-31 18:18 ` Philippe Mathieu-Daudé
2025-10-31 18:30 ` Peter Maydell
2025-11-01 12:09 ` Bernhard Beschow
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