linux-kernel - Re: -rt doesn't compile for UML

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Message-Id: <E1IxQJM-0007LZ-1w@dorka.pomaz.szeredi.hu>
Date:	Wed, 28 Nov 2007 18:02:56 +0100
From:	Miklos Szeredi <miklos@...redi.hu>
To:	jdike@...toit.com
CC:	mingo@...e.hu, user-mode-linux-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Subject: Re: -rt doesn't compile for UML

> OK, managed to make it compile, but then something goes wrong in
> tracer_alloc_bootmem().

It needs 32M, and uml has that much by default.  Doh.

But something is still wrong:

> /store/quilt/linux/linux mem=64
Core dump limits :
        soft - 0
        hard - NONE
Checking that ptrace can change system call numbers...OK
Checking syscall emulation patch for ptrace...missing
Checking for tmpfs mount on /dev/shm...nothing mounted on /dev/shm
Checking PROT_EXEC mmap in /tmp/...OK
Checking for the skas3 patch in the host:
  - /proc/mm...not found: No such file or directory
  - PTRACE_FAULTINFO...not found: Invalid argument
  - PTRACE_LDT...not found: Invalid argument
UML running in SKAS0 mode
setup_physmem - mapping -8093632 bytes of memory at 0x0x8800000 failed - errno = -12

Miklos
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