On Monday 13 December 2004 14:00, Bodo Stroesser wrote:
Blaisorblade wrote:
On Friday 10 December 2004 17:45, [EMAIL PROTECTED] wrote:
From: Bodo Stroesser [EMAIL PROTECTED]
make arch/um/kernel/skas/include/skas.h include asm/types.h
This is necessary to have a typedef for __u64
cannot apply it locally, but I see that it should apply on top of Gerd
Knorr's terminal cleanup patch, which introduces the bug.
I hope I'll not forget it...
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kill from
another window.
Yes, that's because it turns the console to raw mode (don't ask me why).
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On Wednesday 12 January 2005 17:55, Michael Richardson wrote:
Blaisorblade == Blaisorblade [EMAIL PROTECTED] writes:
Rob Chapter 5 of current variants of LFS uses the host system to
Rob create a toolchain you can chroot into and build the final
Rob system with. Then in chapter
as many UMLs as you like.
2. Is it possible to attach the uml switch with multiple tap devices??
Not necessary I think... the Uml_switch can use the tap device to forward the
traffic to the host network.
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as init for instance)
An those entries as what likes in /proc/mounts, since I don't have a
maintained /etc/mtab file in that filesystem. /etc/mtab is symlinked to
/proc/mounts
Ok, understood, but the duplicate entry still seems a bit strange...
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Linux
on these same machines running FC1.
If anyone has any input about a cause or fix to this issue, I would be
greatly appreciative!
This is a FAQ about 2.6.9. There are some patches out there (search for
fix-kill by C. Aker for the 2.4 backport of the fix).
Bye
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Linux
decreases.
One of my pet ideas, is a userspace loopback mounter, which would use
UML to actually mount an image, and export the resulting filesystem
through FUSE to the host.
Brilliant isn't it?
Miklos
`--- Messaggio inoltrato (fine)
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and replace
USERMODE - UML.
It's ok, I'll do it on top of these patches I sent.
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It's fun
, and 2.6.10-mm2 plus the incrementals
from yesterday. Also, I believe Frank Sorenson is also able to reproduce
this crash.
Thanks,
-Chris
Thanks to you!
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big things only before -rc1 and -rc2, since after those releases
things must calm down. This recommendation must be updated with changes in
the release cycle followed by Linus, obviously.
Bye
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On Thursday 13 January 2005 06:12, Blaisorblade wrote:
Well, effectively your reasoning holds, apart for one point: the code
should not hang because of that large INITIAL_JIFFIES. What we care about
are only the value of jiffies relative to INITIAL_JIFFIES, indeed.
In fact, that code works
the issue you are experiencing won't be debugged...
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On Thursday 20 January 2005 00:14, Blaisorblade wrote:
http://www.businesswire.com/cgi-bin/f_headline.cgi?bw.011705/250175195
They also speak about giving back to the UML development community... let's
start waiting.
Yes, Jeff confirmed he received it.
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. Inside the couple of patches, there is exactly this problematic
change.
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On Friday 21 January 2005 19:18, Rob Landley wrote:
On Friday 21 January 2005 07:35 am, Blaisorblade wrote:
Ooh, ooh! Hang in TT mode is what I'm seeing with my makefile hang.
(sh -x dosn't help if the makefile doesn't call out to stuff with it.)
If the previous patch doesn't
it for anything
critical.
Clearly, 32-bit UMLs run well on x86_64 boxes, but don't have the 64-bit
advantages...
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doing that anyway as part of
protecting process's memory from each other...)
Exctaly, and UML can do something very similar with the help of mmap().
Which is too slow, though...
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the 4G/4G patch from Ingo Molnar, integrated into
Fedora kernels, to allow processes to use 4G of virtual address space.
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On Tuesday 25 January 2005 09:35, Marcus Better wrote:
Blaisorblade wrote:
I.e. the compilation problem is not in the kernel module, right?
Yes, the compilation error is in compiling the fglrx module.
Ok, unexpected.
In this case, the problem is that you have /usr/include/asm symlinked
On Tuesday 25 January 2005 11:55, Marcus Better wrote:
Blaisorblade wrote:
*strange* that a kernel module uses the _syscall macro to do a syscall
with int 0x80 while already being in kernelspace...
It's interesting that the module contains the following code
On Tuesday 25 January 2005 11:16, Rob Landley wrote:
On Tuesday 25 January 2005 05:16 am, Blaisorblade wrote:
I'm using stdin/stdout as the console. (And even though you put it
into raw mode, I still can't ctrl-c out of the processs I'm
running, either.)
Hmm, ^C works
-- Forwarded Message --
Subject: Re: [uml-devel] SIGSEGV and SA_NODEFER
Date: Tuesday 25 January 2005 09:45
From: Gerd Knorr [EMAIL PROTECTED]
To: Blaisorblade [EMAIL PROTECTED]
binutils-2.14/ld/testsuite/ld-sparc/tlssunbin64.dd
binutils-2.14/ld/testsuite/ld-sparc
On Tuesday 25 January 2005 18:30, Rob Landley wrote:
On Tuesday 25 January 2005 06:40 am, Blaisorblade wrote:
Host is swapping, client configured without even support for swap. (If
I can get the darn client vmlinux down to 1 megabyte, I'd be thrilled.
Didn't somebody once make
, vaddr);
Please correct... and always try to proof-read each patch you write...
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On Tuesday 25 January 2005 20:30, Rob Landley wrote:
On Tuesday 25 January 2005 02:34 pm, Blaisorblade wrote:
Once I get /dev on ramfs managed by udev? Not really, no. I need the
permissions to be right, but just about everything else should belong
to root. (Yeah, there are a couple
On Tuesday 25 January 2005 22:54, Michael Halcrow wrote:
On Thu, Nov 18, 2004 at 06:39:26PM +0100, Blaisorblade wrote:
On Thursday 18 November 2004 17:09, Michael Halcrow wrote:
Ok, please list the new syscalls - I see at least add_key() and
request_key() too - are these three the only ones
. especially
answering to the various important discussions, which I do even to discover
bugs not recognized by who saw them) is making impossible for me to do actual
work... my development speed is slowing down too much.
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situations, together with your .config and host / guest datas, command line,
output and so on.
Bye
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On Tuesday 25 January 2005 23:46, Michael Halcrow wrote:
On Tue, Jan 25, 2005 at 11:37:57PM +0100, Blaisorblade wrote:
On Tuesday 25 January 2005 22:54, Michael Halcrow wrote:
On Thu, Nov 18, 2004 at 06:39:26PM +0100, Blaisorblade wrote:
Well, it should be fixed in the -mm tree
means ugly hack which can make sense with non-GPL modules,
i.e. does not make sense anyway. I'm not flaming ATI / NVIDIA, let's leave
this duty to people with more spare time.
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arch/um/Kconfig_arch is actually a symlink, so
* Remove it from the tree.
* Make sure it is removed during make mrproper.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso [EMAIL PROTECTED]
---
linux-2.6.11-paolo/arch/um/Makefile |8 ++--
linux-2.6.11/arch/um/Kconfig_arch | 16
).
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... no new features, no code
cleanups (especially NOT the Makefiles cleanups)...
- concentrate on stability... and on backing out the hostfs rewrite.
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this issue - they could maybe publish it and you'd see the
comments) or on slashdot.org (which is actually a discussion forum) - I have
read discussions about such issues, but I'm not myself an expert.
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about them and helping to narrow down possible bugs.
So, for instance, it would be useless to backport the /proc/sysemu feature
(which was a bit tricky to get right on 2.6 already, especially because
uncovered some bugs in the SYSEMU host patch).
Blaisorblade wrote:
Jeff, I've seen the beginning
On Wednesday 26 January 2005 15:33, Alex LIU wrote:
Hi,Blaisorblade:
I have studied the TT mode of UML source code 2.6.7 for some time.But I
still can't work out the system call function flow in TT mode.I have read
some documents and comments on that but all of them are very rough
Furlong [EMAIL PROTECTED]
To: Blaisorblade [EMAIL PROTECTED]
I have sshd running on the Linux machine and then i tried to run port
forwarding through putty on port 5900. I then ran the command export
DISPLAY=host-ip.
I then used tightVNC to connect to the ip address that i had assigned while
setting up
/Kconfig_arch).
I'm resending it, too, as plain-text attachment. Please apply.
Thanks and regards
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Linux registered user n. 292729
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arch/um/Kconfig_arch is actually a symlink, so
* Remove it from the tree.
* Make sure
From: Paolo 'Blaisorblade' Giarrusso [EMAIL PROTECTED], Jeff Dike [EMAIL
PROTECTED]
The previous ifdef to check whether to use the host's vsyscall page
was buggy. This bug can cause crashes.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso [EMAIL PROTECTED]
---
linux-2.6.11-paolo/arch/um
From: Paolo 'Blaisorblade' Giarrusso [EMAIL PROTECTED]
Readd some needed headers inclusion deleted in
http://linux.bkbits.net:8080/linux-2.5/[EMAIL PROTECTED]
If you think it cannot make sense to include both sys/ptrace.h and
linux/ptrace.h (as userspace process, i.e. host includes), go
From: Jeff Dike [EMAIL PROTECTED], Paolo 'Blaisorblade' Giarrusso [EMAIL
PROTECTED]
CC: uml-devel user-mode-linux-devel@lists.sourceforge.net
This adds code which enables SIGSEGV reception to the SKAS sig_handler_common,
which matches the tt code.
I still need to figure out why the SA_NODEFER
is not
allowed, and a SIGSEGV is given to the user.
This patch makes UML behave like i386/x86_64.
Signed-off-by: Bodo Stroesser [EMAIL PROTECTED]
Signed-off-by: Paolo 'Blaisorblade' Giarrusso [EMAIL PROTECTED]
---
linux-2.6.11-paolo/arch/um/kernel/trap_kern.c|2 ++
linux-2.6.11-paolo
Change some config text (hide CONFIG_MODVERSION which is broken on UML and fix
a dummy prompt).
Signed-off-by: Paolo 'Blaisorblade' Giarrusso [EMAIL PROTECTED]
---
linux-2.6.11-paolo/arch/um/Kconfig |6 ++
linux-2.6.11-paolo/init/Kconfig|2 +-
2 files changed, 3 insertions
From: Jeff Dike [EMAIL PROTECTED]
This fixes a bug which assumes that __binary_start starts on a page
boundary, which isn't true when UML is configured to load into the normal
executable area.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso [EMAIL PROTECTED]
---
linux-2.6.11-paolo/arch/um
for pointing this out. I still haven't got feedback
regarding the acceptance of these patches. If there is a chance they're
accepted, maybe the best thing to do is to post the series again with
this correction and the sound patch corrections.
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Linux registered user n
/exec_kern.i
gives nothing (tested with your config, too).
Try adding a #undef execve1 before the problematic line, and reporting (here
I don't get the failure).
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On Friday 11 February 2005 03:42, Rob Landley wrote:
On Thursday 10 February 2005 09:33 pm, Blaisorblade wrote:
Gee, Red Hat, the distro that brought us gcc 2.96, is now having ld throw
assertion failures trying to build UML. It's nice to see tradition
maintained...
No, this one is Gentoo
wanted to do what
you see on purpose.
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On Tuesday 01 March 2005 20:51, Kyrre M Begnum wrote:
Thank you, i got a reply on that a while ago pointing me to a patch of
that kind. I am gratefull for the follow-up though. If i may ask, is the
patch on its way into 2.6.11? Blaisorblade mentioned it being on his list
somewhere.
No, I
CONFIG_BLK_DEV_UBD_SYNC .config
And search CONFIG_BLK_DEV_UBD_SYNC in the archives at marc.theaimsgroup.com.
The problem was discussed for 2.6 only, the solution also applies to 2.4
(almost surely).
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with the quiet option) just won't shut up
about its init stuff. Hence me looking into cleaning that up...
Add early_printk which is a printf but shuts down when the quiet option is
used.
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.
this is redhat 9 + SKAS - NPTL 2.4.20-31 host kernel
linux 2.4.26-3um guest kernel.
thank you.
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On Monday 07 March 2005 05:42, Steve Schmidtke wrote:
Blaisorblade wrote:
Hey, has anyone found the time to put together any patch to workaround the
security bug in uml_net?
Attached are two patches. The first one, uml_net-slip.diff, is the minimal
patch to apply to uml_net. The second one
users to do the equivalent of ifconfig down for chosen
interfaces, by simply running uml_net.
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and corresponding other
- files version $version.
+ files version $packagename
EOF
# Fix some ownership and permissions
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'Blaisorblade' Giarrusso [EMAIL PROTECTED]
---
linux-2.6.11-paolo/arch/um/drivers/port_kern.c |2 +-
1 files changed, 1 insertion(+), 1 deletion(-)
diff -puN arch/um/drivers/port_kern.c~uml-switch-spinlock-init
arch/um/drivers/port_kern.c
--- linux-2.6.11/arch/um/drivers/port_kern.c~uml-switch
Checking for /proc/mm...found
Checking for the skas3 patch in the host...found
Checking PROT_EXEC mmap in /tmp...OK
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.
In the archives there was also an announce for a separate project for UML only
to implement suspending in a UML-specific way (it was meaningful, but I don't
remember about it, even because they wanted to run their own mainling list).
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On Wednesday 09 March 2005 19:53, Steve Schmidtke wrote:
Blaisorblade wrote:
But an unpatched UML won't work with a newer uml_net binary (for SLIP
usage only and only for closing the interface, I mean), right?
Correct. I think uml_net would need to manage a database of who opened
what
it and allowed part of it to be used in uml_netjig, right?
In this case, I think it can be accepted (I saw some remarks in the discussion
but I think they were addressed enough, in the end).
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, aka Blaisorblade
Linux registered user n. 292729
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hoops and worry about compiler versions, when afaik we could
just do something like
extern (...) __attribute__((alias()));
instead. Exact details left to the reader who knows more about all the
magic gcc/linker things..
Linus
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Linux
On Thursday 10 March 2005 09:12, Thomas Gleixner wrote:
On Wed, 2005-03-09 at 20:52 +0100, Blaisorblade wrote:
Are you sure this is really the best option in this instance?
Sometimes, static data initialisation is more efficient than
code-based manual initialisation, especially when
On Friday 11 March 2005 20:29, [EMAIL PROTECTED] wrote:
Export this symbol which is now needed for a typo fix (getuid() -
getgid()).
Sorry for resending, I sent it wrong twice.
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On Friday 11 March 2005 20:27, [EMAIL PROTECTED] wrote:
Signed-off-by: Paolo 'Blaisorblade' Giarrusso [EMAIL PROTECTED]
Sorry, resending this.
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*);
+EXPORT_SYMBOL(__gcov_init);
+#else
extern void __bb_init_func(void *);
EXPORT_SYMBOL(__bb_init_func);
+#endif
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
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Export this symbol which is now needed for a typo fix (getuid() - getgid()).
Signed-off-by: Paolo 'Blaisorblade' Giarrusso [EMAIL PROTECTED]
---
linux-2.6.11-paolo/arch/um/os-Linux/user_syms.c |1 +
1 files changed, 1 insertion(+)
diff -puN arch/um/os-Linux/user_syms.c~uml-export-getgid
by fd
does not work with older utilities, so we do both things (which does not
hurt).
Signed-off-by: Paolo 'Blaisorblade' Giarrusso [EMAIL PROTECTED]
---
linux-2.6.11-paolo/arch/um/drivers/slip_user.c |6 +-
1 files changed, 5 insertions(+), 1 deletion(-)
diff -puN arch/um/drivers
that this wasn't needed with gcc 3.3.4 (and I guess older ones).
Finally, I got an unresolved symbol on __bb_fork_func, and I wasn't able to
solve this (is it maybe a bug in libc or whatever? I don't know).
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On Thursday 17 March 2005 16:53, itamar wrote:
http://www.user-mode-linux.org/~blaisorblade/ down ?
Yes, just verified... the mirror below is still up, and seems up to date...
http://uml.linode.com/blaisorblade/
Note I don't run the mirror (it's auto-synced periodically) and I don't manage
--
Subject: Re: [uml-devel] 2.6.9-bb3 on 2.6.9 host problem - triggering a host
bug?
Date: Friday 03 December 2004 13:56
From: Bodo Stroesser [EMAIL PROTECTED]
To: Roland Mc Grath [EMAIL PROTECTED]
Cc: Andrew Morton [EMAIL PROTECTED], BlaisorBlade [EMAIL PROTECTED],
Jeff Dike [EMAIL
___
User-mode-linux-devel mailing list
User-mode-linux-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel
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http://www.user-mode-linux.org/~blaisorblade
://www.usermodelinux.org/ news). However nothing for users at the moment.
Thanks,
Ashwin.
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to
the stable 2.4.24-1um hostfs code (i.e. pre-humfs), as I already do in the
2.4-bs tree.
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On Friday 18 March 2005 02:27, Jeff Dike wrote:
[EMAIL PROTECTED] said:
Yes, just verified... the mirror below is still up, and seems up to
date...
http://uml.linode.com/blaisorblade/
Note I don't run the mirror (it's auto-synced periodically) and I
don't manage the main host (only
are bigger because it also requires to change link flags (and this
interferes with some executables we build). I also get a link failure on
__bb_fork_something..., which I haven't been able to solve until now.
Regards
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From: Catalin(ux aka Dino) BOIE [EMAIL PROTECTED], Paolo 'Blaisorblade'
Giarrusso [EMAIL PROTECTED], Jeff Dike [EMAIL PROTECTED]
Increase UML command line size. And fix a crash from passing an overly-long
command line to UML.
XXX: check that init can handle 128 params and 128 env. var
.
This creates no problem so can be merged very likely. Note: only tested on
i386, give a run on x86-64.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso [EMAIL PROTECTED]
---
linux-2.6.11-paolo/arch/um/Makefile-x86_64|4
linux-2.6.11-paolo/arch/um/include/sysdep-i386
From: Paolo 'Blaisorblade' Giarrusso [EMAIL PROTECTED], Vadim Abrossimov
[EMAIL PROTECTED]
*) Handle USER_OBJS through the general Kbuild infrastructure; the trick we
use is to change c_flags only for USER_OBJS.
This ain't at all worse than the previous kludgy solution, enables us to use
From: Paolo 'Blaisorblade' Giarrusso [EMAIL PROTECTED]
Gcc 3.4.3 (and probably any 3.4) emits some deprecation warnings currently
about usages of CHOOSE_MODE, since the below syntax has been deprecated:
(a ? foo: bar) = foobar;
which often results from expansion of:
CHOOSE_MODE(foo, bar
From: Paolo 'Blaisorblade' Giarrusso [EMAIL PROTECTED]
CC: Anton Altaparmakov [EMAIL PROTECTED]
Correctly export __gcov_init for cases where it's needed, by adding a weak
definition for the case when GCC does not define this symbol and letting it
being overriden by the real definition when GCC
On Monday 21 March 2005 11:49, Anton Altaparmakov wrote:
On Sun, 2005-03-20 at 12:42 +0100, Blaisorblade wrote:
Anton, would you test the current -bk tree for the CONFIG_GCOV problem
and the patch I and Jeff put together?
http://user-mode-linux.sourceforge.net/work/current/2.6/2.6.11-bk8
the result from the UML
execution of the syscall to the result register.
Thanks,
Ashwin.
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Linux registered user n. 292729
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#include stdio.h
#include signal.h
#include sys/wait.h
#include sys/ptrace.h
#include asm
of problems right now. We are going to keep the old hostfs
available for a lot...
So you'd better go debugging the current code, IMHO (and even simply testing
the patch); we will subsequently port those changes to the new code.
--
Paolo Giarrusso, aka Blaisorblade
Linux registered user n. 292729
http
there are not many
patches which went in for this release.
Jeff, any ideas?
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Paolo Giarrusso, aka Blaisorblade
Linux registered user n. 292729
http://www.user-mode-linux.org/~blaisorblade
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utilities that
print out some headers (with offsets inside host proc. specific structs).
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Paolo Giarrusso, aka Blaisorblade
Linux registered user n. 292729
http://www.user-mode-linux.org/~blaisorblade
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, that another Guest might run.
On a host running many UMLs, this might improve performance.
So, I would like to have the small patch below (it's not tested, just an
idea).
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Paolo Giarrusso, aka Blaisorblade
Linux registered user n. 292729
http://www.user-mode-linux.org/~blaisorblade
On Wednesday 23 March 2005 09:13, Rob Landley wrote:
On Tuesday 22 March 2005 02:19 pm, Blaisorblade wrote:
Ok, I'm now seeing that UML uses access() (inside access_file()) to check
permissions.
See hostfs_permission - access_file - access. hostfs_permission (not
access_file) should
On Thursday 24 March 2005 03:35, Blaisorblade wrote:
Ok, I've put on the site the announcements of SKAS-v8 (which is identical
to -rc5, I just need to update the tarballs), of the test tree (very test)
for UML/2.4.
It does not compile with GCC 3.4, but from what I see no 2.4.27 tree
by my reading of the log (nor
for one for my previous e-mail)
Ok, I'm taking that patch and merging it in my tree and in 2.6.12. I hope it
can go also in 2.6.11.6 (or .7, whatever).
--
Paolo Giarrusso, aka Blaisorblade
Linux registered user n. 292729
http://www.user-mode-linux.org/~blaisorblade
This fixes a build failure (and also some warnings) when CONFIG_MODE_SKAS is
disabled.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso [EMAIL PROTECTED]
---
linux-2.6.11-paolo/arch/um/include/sysdep-i386/ptrace.h | 16 +++---
linux-2.6.11-paolo/arch/um/include/sysdep-x86_64/ptrace.h
cleanups in the syscall table (if you don't like them, feel
free to remove them).
Signed-off-by: Paolo 'Blaisorblade' Giarrusso [EMAIL PROTECTED]
---
linux-2.6.11-paolo/arch/um/include/sysdep-i386/syscalls.h | 16 ++--
linux-2.6.11-paolo/arch/um/include/sysdep-x86_64/syscalls.h |5
is a couple of fixes extracted from the released
2.4.27-1um patch which are missing in the official splitout.
--
Paolo Giarrusso, aka Blaisorblade
Linux registered user n. 292729
http://www.user-mode-linux.org/~blaisorblade
Signed-off-by: Paolo 'Blaisorblade' Giarrusso [EMAIL PROTECTED
On Tuesday 29 March 2005 13:45, Christoph Hellwig wrote:
On Thu, Mar 24, 2005 at 03:02:28AM +0100, Blaisorblade wrote:
In this moment I need to clean up the missing symbol. If anyone wants to
remove the code using this, then he might post a patch explictly removing
it, and getting
On Tuesday 05 April 2005 19:23, Rob Landley wrote:
On Monday 04 April 2005 09:32 am, Blaisorblade wrote:
Is this a case where I should be upgrading my host kernels (will do
that in time anyway)?
You simply need to update the SKAS patch version. -V2 is very old, and
many bugs
. Please. Thanks for
you effort anyway.
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Paolo Giarrusso, aka Blaisorblade
Linux registered user n. 292729
http://www.user-mode-linux.org/~blaisorblade
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of mk_constants,
mk_thread and such), so we catch it from the definition given by ourselves
and expose to the whole of UML.
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Paolo Giarrusso, aka Blaisorblade
Linux registered user n. 292729
http://www.user-mode-linux.org/~blaisorblade
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