From mboxrd@z Thu Jan 1 00:00:00 1970 From: julien.grall@citrix.com (Julien Grall) Date: Mon, 30 Nov 2015 14:57:53 +0000 Subject: [Xen-devel] [PATCH v3 20/62] arm/acpi: Add ACPI support for SMP initialization In-Reply-To: <1447753261-7552-21-git-send-email-shannon.zhao@linaro.org> References: <1447753261-7552-1-git-send-email-shannon.zhao@linaro.org> <1447753261-7552-21-git-send-email-shannon.zhao@linaro.org> Message-ID: <565C63F1.5070303@citrix.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Shannon, On 17/11/15 09:40, shannon.zhao at linaro.org wrote: > diff --git a/xen/arch/arm/psci.c b/xen/arch/arm/psci.c > index d800cb6..dede0e1 100644 > --- a/xen/arch/arm/psci.c > +++ b/xen/arch/arm/psci.c > @@ -22,6 +22,7 @@ > #include > #include > #include > +#include > > /* > * While a 64-bit OS can make calls with SMC32 calling conventions, for > @@ -86,6 +87,9 @@ int __init psci_init_0_1(void) > int ret; > const struct dt_device_node *psci; > > + if ( !acpi_disabled ) > + return -EINVAL; Please explain in the commit message why PSCI 0.1 is not supported on ACPI. Regards, -- Julien Grall