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Re: [Qemu-devel] [PATCH] makefile: detect corrupted elf files
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [PATCH] makefile: detect corrupted elf files |
Date: |
Wed, 22 May 2013 11:52:19 +0300 |
On Wed, May 22, 2013 at 10:43:45AM +0200, Paolo Bonzini wrote:
> Il 22/05/2013 10:38, Peter Maydell ha scritto:
> > On 22 May 2013 09:37, Michael S. Tsirkin <address@hidden> wrote:
> >> It's my fault for running -rc kernels all the time I guess, I get
> >> crashes kind of often, and losing more time on make clean
> >> on top of reboot annoys me.
> >> But we actually could make it robust, even against OS crash. Output to a
> >> temporary file then rename. This hack won't be needed then.
> >
> > I think that would be better implemented in the compiler/linker :-)
> > Alternatively, stop doing compiles on horribly unstable kernels.
>
> Any filesystem with delayed writes can do this if you have a power loss.
>
> But I agree that this patch doesn't solve the problem. For example, if
> you get stale files in the ccache directory even zapping the build
> directory won't do.
>
> Paolo
The fix is simple here: don't use ccache. I don't.
In fact, from what I saw people use ccache to work around makefile bugs,
so they can do make clean; make and have it finish quickly.
Any other examples?
--
MST
- [Qemu-devel] [PATCH] makefile: detect corrupted elf files, Michael S. Tsirkin, 2013/05/21
- Re: [Qemu-devel] [PATCH] makefile: detect corrupted elf files, Peter Maydell, 2013/05/21
- Re: [Qemu-devel] [PATCH] makefile: detect corrupted elf files, Michael S. Tsirkin, 2013/05/21
- Re: [Qemu-devel] [PATCH] makefile: detect corrupted elf files, Markus Armbruster, 2013/05/22
- Re: [Qemu-devel] [PATCH] makefile: detect corrupted elf files, Michael S. Tsirkin, 2013/05/22
- Re: [Qemu-devel] [PATCH] makefile: detect corrupted elf files, Peter Maydell, 2013/05/22
- Re: [Qemu-devel] [PATCH] makefile: detect corrupted elf files, Paolo Bonzini, 2013/05/22
- Re: [Qemu-devel] [PATCH] makefile: detect corrupted elf files,
Michael S. Tsirkin <=
- Re: [Qemu-devel] [PATCH] makefile: detect corrupted elf files, Paolo Bonzini, 2013/05/22
- Re: [Qemu-devel] [PATCH] makefile: detect corrupted elf files, Michael S. Tsirkin, 2013/05/22
- Re: [Qemu-devel] [PATCH] makefile: detect corrupted elf files, Paolo Bonzini, 2013/05/22
- Re: [Qemu-devel] [PATCH] makefile: detect corrupted elf files, Michael S. Tsirkin, 2013/05/22
- Re: [Qemu-devel] [PATCH] makefile: detect corrupted elf files, Paolo Bonzini, 2013/05/22
- Re: [Qemu-devel] [PATCH] makefile: detect corrupted elf files, Michael S. Tsirkin, 2013/05/22
- Re: [Qemu-devel] [PATCH] makefile: detect corrupted elf files, Paolo Bonzini, 2013/05/22
- Re: [Qemu-devel] [PATCH] makefile: detect corrupted elf files, Michael S. Tsirkin, 2013/05/22
- Re: [Qemu-devel] [PATCH] makefile: detect corrupted elf files, Blue Swirl, 2013/05/25
- Re: [Qemu-devel] [PATCH] makefile: detect corrupted elf files, Michael S. Tsirkin, 2013/05/26