Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1347679

Re: [PATCH] objtool: Disable stack validation when CROSS_COMPILE is used

Show all headers | View raw

Hi Josh,

On Tue, 1 Mar 2016 15:54:51 -0600 Josh Poimboeuf <jpoimboe@redhat.com> wrote:
>
> Changing it to use the host compiler would probably be an easy fix, but
> that would expose a harder bug related to endianness.

Just by luck, my PowerPC host is little endian :-)

> How about the below workaround patch to disable objtool and warn when
> CROSS_COMPILE is used?  If anybody complains about lack of cross-compile
> support later, we could try to fix it then.

This seems reasonable.

> From a3c65947011a420743f308b698171c4209105d3f Mon Sep 17 00:00:00 2001
> Message-Id: <a3c65947011a420743f308b698171c4209105d3f.1456868910.git.jpoimboe@redhat.com>
> From: Josh Poimboeuf <jpoimboe@redhat.com>
> Date: Tue, 1 Mar 2016 13:35:51 -0600
> Subject: [PATCH] objtool: Disable stack validation when CROSS_COMPILE is used

I have applied this to the merge of the tip tree in linux-next today
and it compiles fine for me.  I will continue applying it until
something better comes along or it is applied to the tip tree.

Thanks for that.
-- 
Cheers,
Stephen Rothwell

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

linux-next: build failure after merge of the tip tree Stephen Rothwell <sfr@canb.auug.org.au> - 2016-03-01 02:30 +0100
  Re: linux-next: build failure after merge of the tip tree Ingo Molnar <mingo@kernel.org> - 2016-03-01 08:10 +0100
    Re: linux-next: build failure after merge of the tip tree Sedat Dilek <sedat.dilek@gmail.com> - 2016-03-01 08:30 +0100
      Re: linux-next: build failure after merge of the tip tree "H. Peter Anvin" <hpa@zytor.com> - 2016-03-01 08:50 +0100
        Re: linux-next: build failure after merge of the tip tree Sedat Dilek <sedat.dilek@gmail.com> - 2016-03-01 09:50 +0100
        Re: linux-next: build failure after merge of the tip tree Ingo Molnar <mingo@kernel.org> - 2016-03-01 10:50 +0100
    Re: linux-next: build failure after merge of the tip tree Stephen Rothwell <sfr@canb.auug.org.au> - 2016-03-01 10:50 +0100
      [PATCH] objtool: Disable stack validation when CROSS_COMPILE is used Josh Poimboeuf <jpoimboe@redhat.com> - 2016-03-01 23:00 +0100
        Re: [PATCH] objtool: Disable stack validation when CROSS_COMPILE is  used Stephen Rothwell <sfr@canb.auug.org.au> - 2016-03-02 03:30 +0100
          Re: [PATCH] objtool: Disable stack validation when CROSS_COMPILE is  used Josh Poimboeuf <jpoimboe@redhat.com> - 2016-03-02 22:20 +0100
            Re: [PATCH] objtool: Disable stack validation when CROSS_COMPILE is  used Stephen Rothwell <sfr@canb.auug.org.au> - 2016-03-02 23:30 +0100
              [PATCH 0/2] objtool: Cross-compilation support Josh Poimboeuf <jpoimboe@redhat.com> - 2016-03-03 01:50 +0100
                [PATCH 1/2] x86/asm/decoder: Use explicitly signed chars Josh Poimboeuf <jpoimboe@redhat.com> - 2016-03-03 01:50 +0100
                [tip:core/objtool] x86/asm/decoder: Use explicitly signed chars tip-bot for Josh Poimboeuf <tipbot@zytor.com> - 2016-03-03 18:00 +0100
                Re: [tip:core/objtool] x86/asm/decoder: Use explicitly signed chars "H. Peter Anvin" <hpa@zytor.com> - 2016-03-03 20:10 +0100
                [PATCH 2/2] objtool: Support CROSS_COMPILE Josh Poimboeuf <jpoimboe@redhat.com> - 2016-03-03 01:50 +0100
                Re: [PATCH 2/2] objtool: Support CROSS_COMPILE Stephen Rothwell <sfr@canb.auug.org.au> - 2016-03-03 03:50 +0100
                Re: [PATCH 2/2] objtool: Support CROSS_COMPILE Josh Poimboeuf <jpoimboe@redhat.com> - 2016-03-03 04:30 +0100
                Re: [PATCH 2/2] objtool: Support CROSS_COMPILE Stephen Rothwell <sfr@canb.auug.org.au> - 2016-03-03 04:40 +0100
                Re: [PATCH 2/2] objtool: Support CROSS_COMPILE Josh Poimboeuf <jpoimboe@redhat.com> - 2016-03-03 04:50 +0100
                Re: [PATCH 2/2] objtool: Support CROSS_COMPILE Ingo Molnar <mingo@kernel.org> - 2016-03-03 16:20 +0100
                Re: [PATCH 2/2] objtool: Support CROSS_COMPILE Stephen Rothwell <sfr@canb.auug.org.au> - 2016-03-04 00:10 +0100
                Re: [PATCH 2/2] objtool: Support CROSS_COMPILE "H. Peter Anvin" <hpa@zytor.com> - 2016-03-03 16:30 +0100
                [tip:core/objtool] objtool: Support CROSS_COMPILE tip-bot for Josh Poimboeuf <tipbot@zytor.com> - 2016-03-03 18:10 +0100
          Re: [PATCH] objtool: Disable stack validation when CROSS_COMPILE is used Sedat Dilek <sedat.dilek@gmail.com> - 2016-03-03 08:40 +0100
            Re: [PATCH] objtool: Disable stack validation when CROSS_COMPILE is  used Stephen Rothwell <sfr@canb.auug.org.au> - 2016-03-03 09:00 +0100

csiph-web