- 14 Feb, 2007 40 commits
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Eric W. Biederman authored
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Eric W. Biederman <ebiederm@xmission.com> Cc: "Luck, Tony" <tony.luck@intel.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Eric W. Biederman authored
By not using the enumeration in sysctl.h (or even understanding it) the SN platform placed their arch specific xpc directory on top of CTL_KERN and only because they didn't have 4 entries in their xpc directory got lucky and didn't break glibc. This is totally irresponsible. So this patch entirely removes sys_sysctl support from their sysctl code. Hopefully they don't have ascii name conflicts as well. And now that they have no ABI numbers add them to the end instead of the sysctl list instead of the head so nothing else will be overridden. Cc: Tony Luck <tony.luck@intel.com> Signed-off-by:
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Eric W. Biederman authored
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David Howells <dhowells@redhat.com> Signed-off-by:
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Eric W. Biederman authored
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Eric W. Biederman authored
Since the binary sysctl numbers are unique putting the registered sysctls at the head of the sysctl list where they can override existing sysctls serves no useful purpose. Signed-off-by:
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Eric W. Biederman authored
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Eric W. Biederman authored
With unique binary numbers setting insert_at_head to insert yourself at the head of sysctl list and thus override existing sysctl entries serves no point. Signed-off-by:
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Eric W. Biederman authored
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Eric W. Biederman authored
There is no need for open files in /proc/sys/XXX to hold a reference count on the module that provides the file to prevent module unload races. While there is code active in the module p->used in the sysctl_table_header is incremented, preventing the sysctl from being unregisted. Once the sysctl is unregistered it cannot be found. Open files are also not a problem as they revalidate the sysctl information and bump p->used before accessing module code. So setting de->owner is unnecessary, makes for a bad example and gets in my way of removing ctl_table->de. Signed-off-by:
Jens Axboe <jens.axboe@oracle.com> Acked-by:
James Bottomley <James.Bottomley@SteelEye.com> Signed-off-by:
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Eric W. Biederman authored
With unique binary sysctl numbers setting insert_at_head to override other sysctl entries is pointless. Signed-off-by:
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Eric W. Biederman authored
With unique sysctl binary numbers setting insert_at_head is pointless. Signed-off-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by:
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Eric W. Biederman authored
With unique sysctl binary numbers setting insert_at_head is pointless. Signed-off-by:
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Eric W. Biederman authored
The sysctls used by the md driver are have unique binary numbers so remove the insert_at_head flag as it serves no useful purpose. Signed-off-by:
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Eric W. Biederman authored
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Eric W. Biederman authored
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Eric W. Biederman authored
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Ralf Baechle <ralf@linux-mips.org> Signed-off-by:
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Eric W. Biederman authored
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Eric W. Biederman authored
The sysctl numbers used are unique so setting the insert_at_head flag does not succeed in overriding any sysctls, and is just confusing because it doesn't. Clear the flag. Signed-off-by:
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Eric W. Biederman authored
The sysctl numbers used are unique so setting the insert_at_head flag servers no semantic purpose and is just confusing. Signed-off-by:
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Eric W. Biederman authored
The sysctl numbers used are unique so setting the insert_at_head flag serves no semantis purpose, and is just confusing. Signed-off-by:
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Eric W. Biederman authored
The sysctl numbers used are unique so setting the insert_at_head flag serves no semantic purpose, so it is just confusing. Signed-off-by:
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Eric W. Biederman authored
The sysctl numbers used are unique so setting the insert_at_head flag serves no semantic purpose. Signed-off-by:
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Eric W. Biederman authored
We don't need this to prevent module unload races so remove the unnecessary code. Signed-off-by:
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Eric W. Biederman authored
Because the sunrpc sysctls don't conflict with any other sysctls the setting the insert at head flag to register_sysctl has no semantic meaning. Signed-off-by:
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Eric W. Biederman authored
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Eric W. Biederman authored
There has not been much maintenance on sysctl in years, and as a result is there is a lot to do to allow future interesting work to happen, and being ambitious I'm trying to do it all at once :) The patches in this series fall into several general categories. - Removal of useless attempts to override the standard sysctls - Registers of sysctl numbers in sysctl.h so someone else does not use the magic number and conflict. - C99 conversions so it becomes possible to change the layout of struct ctl_table without breaking everything. - Removal of useless claims of module ownership, in the proc dir entries - Removal of sys_sysctl support where people had used conflicting sysctl numbers. Trying to break glibc or other applications by changing the ABI is not cool. 9 instances of this in the kernel seems a little extreme. - General enhancements when I got the junk I could see out. This patch: Since x25 uses unique binary numbers inserting yourself at the head of the search list for sysctls so you can override already registered sysctls is pointless. Signed-off-by:
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Andrew Morton authored
SA_SHIRQ is going away. Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by:
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Thomas Gleixner authored
The obsolete SA_xxx interrupt flags have been used despite the scheduled removal. Fixup the remaining users in -mm. Signed-off-by:
Thomas Gleixner <tglx@linutronix.de> Acked-by:
Ingo Molnar <mingo@elte.hu> Signed-off-by:
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Thomas Gleixner authored
The obsolete SA_xxx interrupt flags have been used despite the scheduled removal. Fixup the remaining users. Signed-off-by:
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Robert P. J. Day authored
Replace kmalloc() + memset() pairs with the appropriate kzalloc() calls. Signed-off-by:
Robert P. J. Day <rpjday@mindspring.com> Signed-off-by:
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Tim Schmielau authored
After Al Viro (finally) succeeded in removing the sched.h #include in module.h recently, it makes sense again to remove other superfluous sched.h includes. There are quite a lot of files which include it but don't actually need anything defined in there. Presumably these includes were once needed for macros that used to live in sched.h, but moved to other header files in the course of cleaning it up. To ease the pain, this time I did not fiddle with any header files and only removed #includes from .c-files, which tend to cause less trouble. Compile tested against 2.6.20-rc2 and 2.6.20-rc2-mm2 (with offsets) on alpha, arm, i386, ia64, mips, powerpc, and x86_64 with allnoconfig, defconfig, allmodconfig, and allyesconfig as well as a few randconfigs on x86_64 and all configs in arch/arm/configs on arm. I also checked that no new warnings were introduced by the patch (actually, some warnings are removed that were emitted by unnecessarily included header files). Signed-off-by:
Tim Schmielau <tim@physik3.uni-rostock.de> Acked-by:
Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by:
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NeilBrown authored
AUTH_UNIX authentication (the standard with NFS) has a limit of 16 groups ids. This causes problems for people in more than 16 groups. So allow the server to map a uid into a list of group ids based on local knowledge rather depending on the (possibly truncated) list from the client. If there is no process on the server responding to upcalls, the gidlist in the request will still be used. Signed-off-by:
Neil Brown <neilb@suse.de> Signed-off-by:
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NeilBrown authored
Add support for using a filesystem UUID to identify and export point in the filehandle. For NFSv2, this UUID is xor-ed down to 4 or 8 bytes so that it doesn't take up too much room. For NFSv3+, we use the full 16 bytes, and possibly also a 64bit inode number for exports beneath the root of a filesystem. When generating an fsid to return in 'stat' information, use the UUID (hashed down to size) if it is available and a small 'fsid' was not specifically provided. Signed-off-by:
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NeilBrown authored
If we are using the same version/fsid as a current filehandle, then there is no need to verify the the numbers are valid for this export, and they must be (we used them to find this export). This allows us to simplify the fsid selection code. Also change "ref_fh_version" and "ref_fh_fsid_type" to "version" and "fsid_type", as the important thing isn't that they are the version/type of the reference filehandle, but they are the chosen type for the new filehandle. And tidy up some indenting. Signed-off-by:
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NeilBrown authored
Most files in the 'nfsd' filesystem are transactional. When you write, a reply is generated that can be read back only on the same 'file'. If the reply has zero length, the 'write' will incorrectly return a value of '0' instead of the length that was written. This causes 'rpc.nfsd' to give an annoying warning. This patch fixes the test. Signed-off-by:
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Haavard Skinnemoen authored
Driver for the Atmel on-chip SPI master controller. Tested primarily on AVR32/AT32AP7000/ATSTK1000 using mtd_dataflash and the jffs2 filesystem. Should also work fine on various AT91 ARM-based chips like AT91SAM926x and AT91RM9200. Hardware documentation can be found in the AT32AP7000 data sheet, or its AT91 siblings, which can be downloaded from http://www.atmel.com/dyn/products/datasheets.asp?family_id=682Signed-off-by:
Haavard Skinnemoen <hskinnemoen@atmel.com> Signed-off-by:
David Brownell <dbrownell@users.sourceforge.net> Signed-off-by:
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Vitaly Wool authored
Add UART support for PNX8330/8550/8950 Philips MIPS-based SoCs. Signed-off-by:
Vitaly Wool <vitalywool@gmail.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by:
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Vitaly Wool authored
Fix the serial header breakage for the PNX8550 MIPS platform. Signed-off-by:
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Burman Yan authored
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George G. Davis authored
Since serial devices are powered down when not in use and some of those devices cannot be accessed when powered down, we need to enable power around calls to get_mcrtl() when dumping port state via uart_line_info(). This resolves hangs observed on some machines while reading serial device registers when a port is powered off. Signed-off-by:
George G. Davis <gdavis@mvista.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by:
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