From: Doug Goldstein <cardoe@cardoe.com>
To: Jan Beulich <JBeulich@suse.com>,
Andrew Cooper <andrew.cooper3@citrix.com>
Cc: xen-devel@lists.xen.org
Subject: Re: [RFC 03/29] build: hookup initial Kconfig usage
Date: Tue, 10 Nov 2015 17:00:41 -0600 [thread overview]
Message-ID: <56427719.2040007@cardoe.com> (raw)
In-Reply-To: <5613DC8802000078000A8859@prv-mh.provo.novell.com>
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On 10/6/15 7:36 AM, Jan Beulich wrote:
>>>> On 06.10.15 at 11:58, <andrew.cooper3@citrix.com> wrote:
>> On 05/10/15 23:03, Doug Goldstein wrote:
>>> new file mode 100644
>>> index 0000000..e69de29
>>> diff --git a/xen/arch/x86/Kconfig b/xen/arch/x86/Kconfig
>>> new file mode 100644
>>> index 0000000..5e34f4e
>>> --- /dev/null
>>> +++ b/xen/arch/x86/Kconfig
>>> @@ -0,0 +1,28 @@
>>> +# Select 32 or 64 bit
>>> +config 64BIT
>>> + bool "64-bit Xen" if ARCH = "x86_64"
>>> + default ARCH != "i386"
>>> + ---help---
>>> + Say yes to build a 64-bit Xen
>>> + Say no to build a 32-bit Xen
>>> +
>>> +config X86_32
>>> + def_bool y
>>> + depends on !64BIT
>>> +
>>> +config X86_64
>>> + def_bool y
>>> + depends on 64BIT
>>> +
>>> +config X86
>>> + def_bool y
>>> + select HAS_GDBSX
>>> +
>>> +config ARCH_DEFCONFIG
>>> + string
>>> + default "arch/x86/i386_defconfig" if X86_32
>>> + default "arch/x86/x86_64_defconfig" if X86_64
>>> +
>>> +source "common/Kconfig"
>>> +
>>> +source "drivers/Kconfig"
>>
>> We dropped 32bit hypervisor builds in 4.4, and it definitely doesn't
>> build any more.
>>
>> You don't need to provide i386_defconfig or X86_32 as far as the
>> hypervisor is concerned.
>
> Are defconfig-s that useful at all? (I ask because I extremely rarely
> make us of them in Linux.)
>
> Jan
>
You use it more than you think. Look at
linux/arch/x86/configs/x86_64_defconfig. The contents of that is used
everytime you don't have an existing config or are using a previous build's.
--
Doug Goldstein
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next prev parent reply other threads:[~2015-11-10 23:00 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-05 22:03 [RFC 00/29] Incomplete Kconfig conversion Doug Goldstein
2015-10-05 22:03 ` [RFC 01/29] build: import Kbuild/Kconfig from Linux 4.2 Doug Goldstein
2015-10-06 12:45 ` Jan Beulich
2015-10-06 16:00 ` Doug Goldstein
2015-10-06 16:47 ` Doug Goldstein
2015-10-07 6:32 ` Jan Beulich
2015-10-07 8:19 ` Ian Campbell
2015-10-07 8:23 ` Andrew Cooper
2015-10-07 9:54 ` Jan Beulich
2015-10-07 10:02 ` Ian Campbell
2015-10-05 22:03 ` [RFC 02/29] build: trim down Linux bits Doug Goldstein
2015-10-06 12:42 ` Jan Beulich
2015-10-06 16:02 ` Doug Goldstein
2015-10-06 16:15 ` Ian Campbell
2015-10-06 16:42 ` Doug Goldstein
2015-10-06 16:52 ` Ian Campbell
2015-10-05 22:03 ` [RFC 03/29] build: hookup initial Kconfig usage Doug Goldstein
2015-10-06 9:58 ` Andrew Cooper
2015-10-06 12:36 ` Jan Beulich
2015-11-10 23:00 ` Doug Goldstein [this message]
2015-11-11 8:57 ` Jan Beulich
2015-10-06 12:53 ` Jan Beulich
2015-10-05 22:03 ` [RFC 04/29] build: include config bits to build with Doug Goldstein
2015-10-05 22:03 ` [RFC 05/29] build: convert HAS_PASSTHROUGH use to Kconfig Doug Goldstein
2015-10-06 9:47 ` Andrew Cooper
2015-10-06 12:38 ` Jan Beulich
2015-10-06 15:47 ` Doug Goldstein
2015-10-05 22:03 ` [RFC 06/29] build: convert HAS_DEVICE_TREE " Doug Goldstein
2015-10-05 22:03 ` [RFC 07/29] build: convert HAS_PCI " Doug Goldstein
2015-10-05 22:03 ` [RFC 08/29] build: convert HAS_NS16550 " Doug Goldstein
2015-10-05 22:03 ` [RFC 09/29] build: convert HAS_IOPORTS " Doug Goldstein
2015-10-05 22:03 ` [RFC 10/29] build: convert HAS_ACPI " Doug Goldstein
2015-10-05 22:03 ` [RFC 11/29] build: convert HAS_VIDEO " Doug Goldstein
2015-10-05 22:03 ` [RFC 12/29] build: convert HAS_VGA " Doug Goldstein
2015-10-05 22:03 ` [RFC 13/29] build: convert HAS_CPUFREQ " Doug Goldstein
2015-10-05 22:03 ` [RFC 14/29] build: convert HAS_GDBSX " Doug Goldstein
2015-10-05 22:03 ` [RFC 15/29] build: convert HAS_PDX " Doug Goldstein
2015-10-05 22:03 ` [RFC 16/29] build: convert HAS_KEXEC " Doug Goldstein
2015-10-05 22:03 ` [RFC 17/29] build: convert HAS_ARM_HDLCD " Doug Goldstein
2015-10-05 22:03 ` [RFC 18/29] build: convert HAS_CADENCE_UART " Doug Goldstein
2015-10-05 22:03 ` [RFC 19/29] build: convert HAS_PL011 " Doug Goldstein
2015-10-05 22:03 ` [RFC 20/29] build: convert HAS_EXYNOS4210 " Doug Goldstein
2015-10-05 22:03 ` [RFC 21/29] build: convert HAS_OMAP " Doug Goldstein
2015-10-05 22:03 ` [RFC 22/29] build: convert HAS_SCIF " Doug Goldstein
2015-10-05 22:03 ` [RFC 23/29] build: convert HAS_EHCI " Doug Goldstein
2015-10-05 22:03 ` [RFC 24/29] build: convert HAS_MEM_ACCESS " Doug Goldstein
2015-10-05 22:03 ` [RFC 25/29] build: convert HAS_MEM_PAGING " Doug Goldstein
2015-10-05 22:03 ` [RFC 26/29] build: convert HAS_MEM_SHARING " Doug Goldstein
2015-10-05 22:03 ` [RFC 27/29] build: convert HAS_GICV3 " Doug Goldstein
2015-10-05 22:25 ` Julien Grall
2015-10-06 9:56 ` George Dunlap
2015-10-06 10:02 ` Julien Grall
2015-10-06 10:03 ` George Dunlap
2015-10-06 10:23 ` Ian Campbell
2015-10-06 15:43 ` Doug Goldstein
2015-10-05 22:03 ` [RFC 28/29] build: convert CONFIG_COMPAT " Doug Goldstein
2015-10-05 22:03 ` [RFC 29/29] build: convert kexec options to CONFIG_KEXEC Doug Goldstein
2015-10-05 22:12 ` [RFC 00/29] Incomplete Kconfig conversion Julien Grall
2015-10-06 15:49 ` Doug Goldstein
2015-10-05 23:47 ` Doug Goldstein
2015-10-06 9:39 ` Andrew Cooper
2015-10-06 9:41 ` Andrew Cooper
2015-10-06 10:15 ` Julien Grall
2015-10-06 10:21 ` Andrew Cooper
2015-10-06 13:05 ` Ian Campbell
2015-10-06 15:58 ` Doug Goldstein
2015-10-06 16:11 ` Ian Campbell
2015-11-09 15:06 ` Konrad Rzeszutek Wilk
2015-11-09 18:16 ` Doug Goldstein
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