linux-kernel - Re: [patch v11 19/23] XEN / ACPI: Make XEN ACPI depend on X86

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <55118303.8060003@oracle.com>
Date:	Tue, 24 Mar 2015 11:30:11 -0400
From:	Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:	Hanjun Guo <hanjun.guo@...aro.org>,
	Catalin Marinas <catalin.marinas@....com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Will Deacon <will.deacon@....com>,
	Olof Johansson <olof@...om.net>,
	Grant Likely <grant.likely@...aro.org>
CC:	Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
	Arnd Bergmann <arnd@...db.de>,
	Mark Rutland <mark.rutland@....com>,
	Graeme Gregory <graeme.gregory@...aro.org>,
	Sudeep Holla <Sudeep.Holla@....com>,
	Jon Masters <jcm@...hat.com>,
	Marc Zyngier <marc.zyngier@....com>,
	Mark Brown <broonie@...nel.org>,
	Robert Richter <rric@...nel.org>,
	Timur Tabi <timur@...eaurora.org>,
	Ashwin Chaugule <ashwinc@...eaurora.org>,
	Suravee Suthikulpanit <suravee.suthikulpanit@....com>,
	Mark Salter <msalter@...hat.com>, linux-acpi@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linaro-acpi@...ts.linaro.org,
	"'Stefano Stabellini'" <stefano.stabellini@...citrix.com>,
	Julien Grall <julien.grall@...aro.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	David Vrabel <david.vrabel@...rix.com>
Subject: Re: [patch v11 19/23] XEN / ACPI: Make XEN ACPI depend on X86

On 03/24/2015 10:02 AM, Hanjun Guo wrote:
> When ACPI is enabled on ARM64, XEN ACPI will also compiled
> into the kernel, but XEN ACPI is x86 dependent, so introduce
> CONFIG_XEN_ACPI to make it depend on x86 before XEN ACPI is
> functional on ARM64.
>
> CC: 'Stefano Stabellini' <stefano.stabellini@...citrix.com>
> CC: Julien Grall <julien.grall@...aro.org>
> CC: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
> CC: Boris Ostrovsky <boris.ostrovsky@...cle.com>
> CC: David Vrabel <david.vrabel@...rix.com>
> Signed-off-by: Hanjun Guo <hanjun.guo@...aro.org>
> ---
>   drivers/xen/Kconfig  | 4 ++++
>   drivers/xen/Makefile | 2 +-
>   2 files changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig
> index b812462..a31cd29 100644
> --- a/drivers/xen/Kconfig
> +++ b/drivers/xen/Kconfig
> @@ -253,4 +253,8 @@ config XEN_EFI
>   	def_bool y
>   	depends on X86_64 && EFI
>   
> +config XEN_ACPI
> +	def_bool y
> +	depends on X86 && ACPI
> +


I think XEN_DOM0 (in arch/x86/xen/Kconfig) should select this option. 
Otherwise, if it is set to 'n', we won't be able to build enlighten.c 
(xen_start_kernel() -> xen_acpi_sleep_register() refers to 
xen_acpi_notify_hypervisor_sleep()).

-boris

>   endmenu
> diff --git a/drivers/xen/Makefile b/drivers/xen/Makefile
> index 2ccd359..f4622ab 100644
> --- a/drivers/xen/Makefile
> +++ b/drivers/xen/Makefile
> @@ -13,7 +13,7 @@ CFLAGS_efi.o				+= -fshort-wchar
>   
>   dom0-$(CONFIG_PCI) += pci.o
>   dom0-$(CONFIG_USB_SUPPORT) += dbgp.o
> -dom0-$(CONFIG_ACPI) += acpi.o $(xen-pad-y)
> +dom0-$(CONFIG_XEN_ACPI) += acpi.o $(xen-pad-y)
>   xen-pad-$(CONFIG_X86) += xen-acpi-pad.o
>   dom0-$(CONFIG_X86) += pcpu.o
>   obj-$(CONFIG_XEN_DOM0)			+= $(dom0-y)

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/