From: Thomas Glanzmann <thomas@glanzmann.de>
To: Vivek Goyal <vgoyal@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>,
LKML <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Andy Lutomirski <luto@amacapital.net>,
Baoquan He <bhe@redhat.com>, Borislav Petkov <bp@suse.de>,
Dave Young <dyoung@redhat.com>,
Eric Biederman <ebiederm@xmission.com>,
Greg Kroah-Hartman <greg@kroah.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Matthew Garrett <mjg59@srcf.ucam.org>,
Michael Kerrisk <mtk.manpages@gmail.com>,
Stephen Rothwell <sfr@canb.auug.org.au>,
WANG Chao <chaowang@redhat.com>, Yinghai Lu <yinghai@kernel.org>,
ubuntu@iam.tj
Subject: Re: REGRESSION: 8fc5b4d: Unable to compile x86_64 kernel with x86_32 userland
Date: Wed, 20 Aug 2014 18:21:26 +0200 [thread overview]
Message-ID: <20140820162126.GC25390@glanzmann.de> (raw)
In-Reply-To: <20140820154817.GA21518@redhat.com>
Hello Vivek,
* Vivek Goyal <vgoyal@redhat.com> [2014-08-20 17:48]:
> --- linux-2.6.orig/arch/x86/purgatory/Makefile 2014-08-20 11:32:21.723559119 -0400
> +++ linux-2.6/arch/x86/purgatory/Makefile 2014-08-20 11:32:23.654570231 -0400
> @@ -11,6 +11,7 @@ targets += purgatory.ro
> # sure how to relocate those. Like kexec-tools, use custom flags.
> KBUILD_CFLAGS := -fno-strict-aliasing -Wall -Wstrict-prototypes -fno-zero-initialized-in-bss -fno-builtin -ffreestanding -c -MD -Os -mcmodel=large
> +KBUILD_CFLAGS += -m$(BITS)
> $(obj)/purgatory.ro: $(PURGATORY_OBJS) FORCE
> $(call if_changed,ld)
> Can you please try attached single line patch and see if it fixes the
> issue for you.
I tested the same and it works.
Tested-by: Thomas Glanzmann <thomas@glanzmann.de>
...
CC arch/x86/purgatory/purgatory.o
AS arch/x86/purgatory/stack.o
AS arch/x86/purgatory/setup-x86_64.o
CC arch/x86/purgatory/sha256.o
AS arch/x86/purgatory/entry64.o
CC arch/x86/purgatory/string.o
LD arch/x86/purgatory/purgatory.ro
BIN2C arch/x86/purgatory/kexec-purgatory.c
...
I also made sure that I backed out the other patch _before_ I tried this one.
Cheers,
Thomas
next prev parent reply other threads:[~2014-08-20 16:21 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-20 6:04 Regression: Can't compile x86_64 with 32 Bit userland: arch/x86/purgatory/purgatory.c:1:0: error: code model 'large' not supported in the 32 bit mode Thomas Glanzmann
2014-08-20 6:24 ` REGRESSION: 8fc5b4d: Unable to compile x86_64 kernel with x86_32 userland Thomas Glanzmann
2014-08-20 12:56 ` Vivek Goyal
2014-08-20 15:07 ` H. Peter Anvin
2014-08-20 15:48 ` Vivek Goyal
2014-08-20 16:21 ` Thomas Glanzmann [this message]
2014-08-20 16:56 ` H. Peter Anvin
2014-08-20 16:16 ` Thomas Glanzmann
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