[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH v3 22/27] xen/arm: exynos5: Blacklist MCT device
The Multi Core Timer (MCT) is a Samsung specific device. This device tries to route IRQ in non-boot CPU which is not yet handled by Xen. The user will see randomly dom0 hang, but I'm not sure that is the real reason. Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx> Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx> --- xen/arch/arm/platforms/exynos5.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/xen/arch/arm/platforms/exynos5.c b/xen/arch/arm/platforms/exynos5.c index 262ded8..d9eedc8 100644 --- a/xen/arch/arm/platforms/exynos5.c +++ b/xen/arch/arm/platforms/exynos5.c @@ -92,12 +92,23 @@ static const char * const exynos5_dt_compat[] __initdata = NULL }; +static const struct dt_device_match exynos5_blacklist_dev[] __initconst = +{ + /* Multi core Timer + * TODO: this device set up IRQ to CPU 1 which is not yet handled by Xen. + * This is result to random freeze. + */ + DT_MATCH_COMPATIBLE("samsung,exynos4210-mct"), + { /* sentinel */ }, +}; + PLATFORM_START(exynos5, "SAMSUNG EXYNOS5") .compatible = exynos5_dt_compat, .init_time = exynos5_init_time, .specific_mapping = exynos5_specific_mapping, .reset = exynos5_reset, .quirks = exynos5_quirks, + .blacklist_dev = exynos5_blacklist_dev, PLATFORM_END /* -- 1.7.10.4 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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