search for: mikew

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2006 Nov 27
4
Get error msg if try to use kernel makefile / build kernel
...y as well) I get "mach_mpspec.h: No such file or directory" Same result if I try to do a kernel 'make'. Subsequently I get MAX_MP_BUSSES and MAX_IRQ_SOURCES undeclared. This should surely work 'out of the box' with Centos ? Any ideas about what's missing ? Thanks, MikeW
2011 Aug 12
4
klibc current state
Hello, While some people might scuba dive, let's summarize recent progress and state (People cc'ed have either patches in queue or are involved): * Patches pending review, allmost ready for klibc ------------------------------------------------- - mikew/drop_cap - kinit: Add drop_capabilities support adds the ability to kinit to allow the dropping of POSIX capabilities. (patch even referenced on lwn :) - mikew/run-parts - kinit: Add run_parts() adds possibility to run boot scripts from kinit - maks/fdopendir - dirent.h add fdopendir() in...
2010 Mar 02
17
[PATCH 00/16] External building, update for 2.6.33 and multiple root devices.
The following patchset implements 3 seperate series of changes. External Building ================= Patches 1 through 8 enable to use of klibc's build system while leaving the src tree pristine (and potentially read only). Specifically: - srctree=<Sources for klibc> - objtree=<Ouput directory for klibc> - KLIBCKERNELSRC=<Kernel sources> - KLIBCKERNELOBJ=<Kernel
2006 Dec 07
1
Cannot install driver under CentOS/ VMware ?
...memory. The driver loads fine under another non-VM system. Is this a CentOS/VMware quirk ? Does anyone know of a workaround or is it just a fact of life that you cannot use insmod once the system is running ? After all, the 'normal' kernel modules are able to load OK at startup. Thanks, MikeW
2011 Aug 02
6
[PATCH v2 0/4] Support drop directories directly from kinit
This patchset applies to klibc mainline. This patchset introduces the ability to kinit to execute scripts or executable files present in in the initramfs before switching over to the root filesystem. It is implemented by first implementing scandir() and alphasort() as present in POSIX.1-2008 in klibc itself, and then using that as the basis for iterating and executing files via a run_scripts()
2011 Feb 24
5
[PATCH] build: Define __EXPORTED_HEADER__
...linux-2.6//include/linux/types.h:13:2: warning: #warning "Attempt to use kernel headers from user space, see http://kernelnewbies.org/KernelHeaders" In order to silence this warning, make sure we define __EXPORTED_HEADERS__ when building klibc userland. Signed-off-by: Mike Waychison <mikew at google.com> --- scripts/Kbuild.klibc | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/scripts/Kbuild.klibc b/scripts/Kbuild.klibc index fb399f5..52a95c4 100644 --- a/scripts/Kbuild.klibc +++ b/scripts/Kbuild.klibc @@ -74,7 +74,7 @@ KLIBCWARNFLAGS := -W -Wall -Wno-...
2012 Jan 04
4
[RFC PATCH v1 0/2] virtio_net: Better low memory handling.
The following series applies to net-next. The following series changes the low memory paths in virtio_net to allow the driver to contribute to reclaim when memory is tight. It attempts to rectify some performance problems we've seen where the network performance drops significantly when memory is low. The working theory is that while the driver contributes to memory pressure when throughput
2012 Jan 04
4
[RFC PATCH v1 0/2] virtio_net: Better low memory handling.
The following series applies to net-next. The following series changes the low memory paths in virtio_net to allow the driver to contribute to reclaim when memory is tight. It attempts to rectify some performance problems we've seen where the network performance drops significantly when memory is low. The working theory is that while the driver contributes to memory pressure when throughput
2004 Sep 10
1
flac-1.0.3_beta released
...able to do word-length reduction on the fly. The only place I can find this feature is in the Monkey's Audio codec plugin, though. Anyway, great news Josh! Thanks for making 24-bit audio support in FLAC a priority. :) MW On Tue, 11 Jun 2002, Josh Coalson wrote: > --- Mike Wren <mikew@etree.org> wrote: > > Awesome, I'm psyched for 1.0.3.... the ID3v1 winamp2 support will be > > a > > neat addition, as is the faster decodes. Will 24-bit audio play nice > > with > > the final public version of 1.0.3? > > yes, forgot to mention that one.....
2012 Dec 06
1
KDE login screen configuration problems
...=KDM". I rebooted but there was no change. GDM is still being used. Any other suggestions? mw ======================== Just create the file /etc/sysconfig/desktop and put in it: DESKTOP=KDM I believe it's DESKTOP - you can dbl check /etc/X11/prefdm Sent from my phoneMike Watson <mikew at crucis.net <http://lists.centos.org/mailman/listinfo/centos>> wrote:The last reply to this subject said to modify /etc/sysconfig/desktop to change GDM to KDM. This would then enable the KDE login screen instead of the default Gnome. However, when I checked my CentOS 6.3 system, there w...
2011 Jul 29
3
[PATCH 1/3] klibc: Add scandir() and alphasort() support.
Add support for scandir() and alphasort() as defined in POSIX.1-2008. Signed-off-by: Mike Waychison <mikew at google.com> --- usr/include/dirent.h | 7 +++++ usr/klibc/Kbuild | 2 + usr/klibc/scandir.c | 76 ++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 84 insertions(+), 1 deletions(-) create mode 100644 usr/klibc/scandir.c diff --git a/usr/include/dirent.h b/usr...
2004 Sep 10
2
flac-1.0.3_beta released
Awesome, I'm psyched for 1.0.3.... the ID3v1 winamp2 support will be a neat addition, as is the faster decodes. Will 24-bit audio play nice with the final public version of 1.0.3? MW On Tue, 11 Jun 2002, Josh Coalson wrote: > One more thing... you will probably have to > > chmod +x flac-1.0.3_beta/test/test_streams.sh > > before doing the 'make check'. > >
2011 Aug 03
1
[PATCH v2] kinit: Add drop_capabilities support.
...t if there was a problem dropping capabilities. We fail because the new drop_capabilities= option on the command line mandates enforcement of a security policy, and we should err on the side of caution if we ever fail to satisfy the administrator's intention. Signed-off-by: Mike Waychison <mikew at google.com> --- v2 - Only drop from the inherited capabilities mask. Only this mask was required as per Andrew Morgan. This also allows us to continue having capabilities to call run-init later on, allowing the following: - Moved dropping of capabilities out of run...
2011 Jul 19
4
[PATCH v1 0/2] Support dropping of capabilities from early userspace.
This patchset applies to klibc mainline. As is it will probably collide with Maximilian's recent patch to rename run-init to switch_root posted last week. To boot an untrusted environment with certain capabilities locked out, we'd like to be able to drop the capabilities up front from early userspace, before we actually transition onto the root volume. This patchset implements this by
2004 Sep 10
2
Re: Need AMD debugging help
Great call, Jason. The trouble may also be from overclocking their CPU's. We ran into some similar bug reports in the Furthur project with people swearing up and down that random application hangs and glitches was our software (which in part it was). However, as soon as they brought their CPU's and video cards back to spec, their problems magically went away. I would follow this one up
2004 Sep 10
2
24-bit audio?
According to http://flac.sourceforge.net/format.html#metadata_block_streaminfo : "FLAC supports from 4 to 32 bits per sample. Currently the reference encoder and decoders only support up to 24 bits per sample. " This is why I'm confused. I though one of the benefits of FLAC was it's ability to encode in word lengths longer than 16 bits. MW -----Original Message----- From:
2010 Jul 07
0
[git pull v2] x86_32, sh4, getrusage()
...= iov_len; + msg.msg_control = NULL; + msg.msg_controllen = 0; + msg.msg_flags = 0; + if (cfg_local_port != LOCAL_PORT) { ipudp_hdrs.udp.source = htons(cfg_local_port); ipudp_hdrs.udp.dest = htons(cfg_remote_port); commit 617cba04b94cae042f71eb37c0a620587783a660 Author: Mike Waychison <mikew at google.com> Date: Mon Jun 7 16:30:34 2010 -0700 [klibc] Add ancillary data structures and macros to sys/socket.h It turns out that all the CMSG_* structures and macros are hidden behind __KERNEL__ in current kernel.org kernels. Expose these macros in sys/socket.h for...
2011 Aug 03
2
[PATCH v3 0/2] Support drop directories directly from kinit
This patchset applies to klibc mainline. This patchset introduces the ability to kinit to execute scripts or executable files present in in the initramfs before switching over to the root filesystem. This functionality is implemented in a newly introduced run_parts() call, which calls scandir() to iterate through files which in then executes in sequence. run_parts() is also available as a
2012 Jan 10
3
[PATCH v2 0/3] virtio_net: Better low memory handling.
The following series applies to net-next. The following series changes the low memory paths in virtio_net to not disable NAPI while waiting in the allocator in the slow path. It attempts to rectify some performance problems we've seen where the network performance drops significantly when memory is low. The working theory is that the disabling of NAPI while allocations are occuring in the
2012 Jan 10
3
[PATCH v2 0/3] virtio_net: Better low memory handling.
The following series applies to net-next. The following series changes the low memory paths in virtio_net to not disable NAPI while waiting in the allocator in the slow path. It attempts to rectify some performance problems we've seen where the network performance drops significantly when memory is low. The working theory is that the disabling of NAPI while allocations are occuring in the