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Re: [Qemu-devel] [PATCH] oslib: make error handling more reasonable
From: |
Paul Brook |
Subject: |
Re: [Qemu-devel] [PATCH] oslib: make error handling more reasonable |
Date: |
Tue, 14 Feb 2012 13:07:47 +0000 |
User-agent: |
KMail/1.13.7 (Linux/3.1.0-1-amd64; KDE/4.6.5; x86_64; ; ) |
> > The only way to handle this rebustly is to pre-allocate all the memory
> > we're ever going to need[1]. I don't see that happening.
>
> FWIW, users can already opt-in to pre-allocation if running KVM enabled
> QEMU
>
> -mem-path /dev/shm -mem-prealloc (or /dev/hugepages more usefully)
No, that's something different. -mem-prealloc causes MAP_POPULATE to be
passed when allocating guest ram, working around the fact that most modern
implementations of mmap lie. It has no effect on how all the other memory
qemu uses is allocated.
Paul
- Re: [Qemu-devel] [PATCH] oslib: make error handling more reasonable, (continued)
- Re: [Qemu-devel] [PATCH] oslib: make error handling more reasonable, Stefan Weil, 2012/02/10
- Re: [Qemu-devel] [PATCH] oslib: make error handling more reasonable, Zhi Yong Wu, 2012/02/12
- Re: [Qemu-devel] [PATCH] oslib: make error handling more reasonable, Stefan Weil, 2012/02/13
- Re: [Qemu-devel] [PATCH] oslib: make error handling more reasonable, Stefan Hajnoczi, 2012/02/13
- Re: [Qemu-devel] [PATCH] oslib: make error handling more reasonable, Anthony Liguori, 2012/02/14
- Re: [Qemu-devel] [PATCH] oslib: make error handling more reasonable, Anthony Liguori, 2012/02/14
- Re: [Qemu-devel] [PATCH] oslib: make error handling more reasonable, Markus Armbruster, 2012/02/13
- Re: [Qemu-devel] [PATCH] oslib: make error handling more reasonable, Peter Maydell, 2012/02/13
- Re: [Qemu-devel] [PATCH] oslib: make error handling more reasonable, Paul Brook, 2012/02/14
- Re: [Qemu-devel] [PATCH] oslib: make error handling more reasonable, Daniel P. Berrange, 2012/02/14
- Re: [Qemu-devel] [PATCH] oslib: make error handling more reasonable,
Paul Brook <=
- Re: [Qemu-devel] [PATCH] oslib: make error handling more reasonable, Anthony Liguori, 2012/02/14
Re: [Qemu-devel] [PATCH] oslib: make error handling more reasonable, Eric Blake, 2012/02/10