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* sysctl crypto: Remove dead binary sysctl supportEric W. Biederman2009-11-121-8/+2
| | | | | | | | Now that sys_sysctl is a generic wrapper around /proc/sys .ctl_name and .strategy members of sysctl tables are dead code. Remove them. Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* sysctl security/keys: Remove dead binary sysctl supportEric W. Biederman2009-11-121-6/+1
| | | | | | | | Now that sys_sysctl is a generic wrapper around /proc/sys .ctl_name and .strategy members of sysctl tables are dead code. Remove them. Cc: David Howells <dhowells@redhat.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* sysctl kernel: Remove binary sysctl logicEric W. Biederman2009-11-123-38/+3
| | | | | | | | | | Now that sys_sysctl is a generic wrapper around /proc/sys .ctl_name and .strategy members of sysctl tables are dead code. Remove them. Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <peterz@infradead.org> Cc: David Howells <dhowells@redhat.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* sysctl fs: Remove dead binary sysctl supportEric W. Biederman2009-11-129-91/+15
| | | | | | | | Now that sys_sysctl is a generic wrapper around /proc/sys .ctl_name and .strategy members of sysctl tables are dead code. Remove them. Cc: Jan Harkes <jaharkes@cs.cmu.edu> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* sysctl ipc: Remove dead binary sysctl support code.Eric W. Biederman2009-11-122-81/+3
| | | | | | | Now that sys_sysctl is a generic wrapper around /proc/sys .ctl_name and .strategy members of sysctl tables are dead code. Remove them. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* sysctl: Stop using binary sysctl numbers in arlan.Eric W. Biederman2009-11-121-112/+69
| | | | | | | | | | | | | | Looking at the arlan code it appears all of the sysctl entries are disabled debug code, and have not been enabled since the driver was merged in feb of 2003. Since except for a select few that userspace can't get along without the binary sysctl table entries are going away. Kill the unused arlan binary sysctls. Cc: John W. Linville <linville@tuxdriver.com> Cc: linux-wireless@vger.kernel.org Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* sysctl: Remove the unused frv sysctl unumbersEric W. Biederman2009-11-122-4/+4
| | | | | | | | The frv sysctl tables can only be used from proc so kill the sysctl numbers. Cc: David Howells <dhowells@redhat.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* sysctl binary: Reorder the tests to process wild card entries first.Eric W. Biederman2009-11-121-8/+7
| | | | | | | | | | A malicious user could have passed in a ctl_name of 0 and triggered the well know ctl_name to procname mapping code, instead of the wild card matching code. This is a slight problem as wild card entries don't have procnames, and because in some alternate universe a network device might have ifindex 0. So test for and handle wild card entries first. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* sysctl: sysctl_binary.c Fix compilation when !CONFIG_NETEric W. Biederman2009-11-121-15/+20
| | | | | | | | | | | | dev_get_by_index does not exist when the network stack is not compiled in, so only include the code to follow wild card paths when the network stack is present. I have shuffled the code around a little to make it clear that dev_put is called after dev_get_by_index showing that there is no leak. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* sysctl: Warn about all uses of sys_sysctl.Eric W. Biederman2009-11-111-7/+1
| | | | | | | | | Now that the glibc pthread implemenation no longers uses sysctl() users of sysctl are as rare as hen's teeth. So remove the glibc exception from the warning, and use the standard printk_ratelimit instead of rolling our own. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* sysctl: Don't look at ctl_name and strategy in the generic codeEric W. Biederman2009-11-113-39/+11
| | | | | | | | | | | The ctl_name and strategy fields are unused, now that sys_sysctl is a compatibility wrapper around /proc/sys. No longer looking at them in the generic code is effectively what we are doing now and provides the guarantee that during further cleanups we can just remove references to those fields and everything will work ok. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* sysctl: Remove references to ctl_name and strategy from the generic sysctl tableEric W. Biederman2009-11-111-188/+7
| | | | | | | Now that sys_sysctl is a generic wrapper around /proc/sys .ctl_name and .strategy members of sysctl tables are dead code. Remove them. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* sysctl: Remove dead code from sysctl_checkEric W. Biederman2009-11-112-1374/+4
| | | | | | | | | | | | Now that the sys_sysctl is now a compatibility wrapper around /proc/sys we can remove much of sysctl_check and reduce it to a few remaining sanity checks. This completely decouples it from the binary sysctl system call. Little things like ensuring that the sysctl has not already been registered are all that remain. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* sysctl: Neuter the generic sysctl strategy routines.Eric W. Biederman2009-11-111-198/+0
| | | | | | | | | Now that sys_sysctl is a compatibility layer on top of /proc/sys these routines are never called but are still put in sysctl tables so I have reduced them to stubs until they can be removed entirely. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* sysctl: Reduce sys_sysctl to a compatibility wrapper around /proc/sysEric W. Biederman2009-11-112-102/+1384
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | To simply maintenance and to be able to remove all of the binary sysctl support from various subsystems I have rewritten the binary sysctl code as a compatibility wrapper around proc/sys. The code is built around a hard coded table based on the table in sysctl_check.c that lists all of our current binary sysctls and provides enough information to convert from the sysctl binary input into into ascii and back again. New in this patch is the realization that the only dynamic entries that need to be handled have ifname as the asscii string and ifindex as their ctl_name. When a sys_sysctl is called the code now looks in the translation table converting the binary name to the path under /proc where the value is to be found. Opens that file, and calls into a format conversion wrapper that calls fop->read and then fop->write as appropriate. Since in practice the practically no one uses or tests sys_sysctl rewritting the code to be beautiful is a little silly. The redeeming merit of this work is it allows us to rip out all of the binary sysctl syscall support from everywhere else in the tree. Allowing us to remove a lot of dead (after this patch) and barely maintained code. In addition it becomes much easier to optimize the sysctl implementation for being the backing store of /proc/sys, without having to worry about sys_sysctl. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* sysctl: Make do_sysctl staticEric W. Biederman2009-11-062-5/+1
| | | | | | | Now that all of the architectures use compat_sys_sysctl do_sysctl can become static. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* sysctl: Remove the cond_syscall entry for sys32_sysctlEric W. Biederman2009-11-061-1/+0
| | | | | | | | Now that all architechtures are use compat_sys_sysctl and sys32_sysctl does not exist there is not point in retaining a cond_syscall entry for it. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* sysctl: x86 Use the compat_sys_sysctlEric W. Biederman2009-11-063-62/+1
| | | | | | | | | | Now that we have a generic 32bit compatibility implementation there is no need for x86 to implement it's own. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Acked-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* sysctl: sparc Use the compat_sys_sysctlEric W. Biederman2009-11-062-58/+1
| | | | | | | | Now that we have a generic 32bit compatibility implementation there is no need for sparc to implement it's own. Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* sysctl: s390 Use the compat_sys_sysctlEric W. Biederman2009-11-063-59/+2
| | | | | | | | | | | Now that we have a generic 32bit compatibility implementation there is no need for s390 to implement it's own. Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* sysctl: parisc Use the compat_sys_sysctlEric W. Biederman2009-11-062-72/+1
| | | | | | | | | Now that we have a generic 32bit compatibility implementation there is no need for parisc to implement it's own. Cc: Thibaut Varene <T-Bone@parisc-linux.org> Acked-by: Kyle McMartin <kyle@mcmartin.ca> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* sysctl: mips Use the compat_sys_sysctlEric W. Biederman2009-11-063-63/+2
| | | | | | | | Now that we have a generic 32bit compatibility implementation there is no need for mips to implement it's own. Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* sysctl: ia64 Use the compat_sys_sysctlEric W. Biederman2009-11-062-56/+1
| | | | | | | | | Now that we have a generic 32bit compatibility implementation there is no need for ia64 to implement it's own. Cc: Tony Luck <tony.luck@intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* sysctl: Introduce a generic compat sysctl sysctlEric W. Biederman2009-11-062-52/+50
| | | | | | | | | | | | | | | | | | | | | | This uses compat_alloc_userspace to remove the various hacks to allow do_sysctl to write to throuh oldlenp. The rest of our mature compat syscall helper facitilies are used as well to ensure we have a nice clean maintainable compat syscall that can be used on all architectures. The motiviation for a generic compat sysctl (besides the obvious hack removal) is to reduce the number of compat sysctl defintions out there so I can refactor the binary sysctl implementation. ppc already used the name compat_sys_sysctl so I remove the ppcs version here. Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* sysctl: Refactor the binary sysctl handling to remove duplicate codeEric W. Biederman2009-11-061-65/+58
| | | | | | | | | | | | | | | | | Read in the binary sysctl path once, instead of reread it from user space each time the code needs to access a path element. The deprecated sysctl warning is moved to do_sysctl so that the compat_sysctl entries syscalls will also warn. The return of -ENOSYS when !CONFIG_SYSCTL_SYSCALL is moved to binary_sysctl. Always leaving a do_sysctl available that handles !CONFIG_SYSCTL_SYSCALL and printing the deprecated sysctl warning allows for a single defitition of the sysctl syscall. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* sysctl: Separate the binary sysctl logic into it's own file.Eric W. Biederman2009-11-063-166/+186
| | | | | | | In preparation for more invasive cleanups separate the core binary sysctl logic into it's own file. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
* Linux 2.6.32-rc6Linus Torvalds2009-11-031-1/+1
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* Merge branch 'for-linus' of git://github.com/at91linux/linux-2.6-at91Linus Torvalds2009-11-032-0/+12
|\ | | | | | | | | | | * 'for-linus' of git://github.com/at91linux/linux-2.6-at91: at91: at91sam9g45 family: identify several chip versions avr32: add two new at91 to cpu.h definition
| * at91: at91sam9g45 family: identify several chip versionsNicolas Ferre2009-11-032-0/+10
| | | | | | | | | | | | | | | | | | | | | | cpu_is_xxx() macros are identifying generic at91sam9g45 chip. This patch adds the capacity to differentiate Engineering Samples and final lots through the inclusion of at91_cpu_fully_identify() and the related chip IDs with chip version field preserved. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
| * avr32: add two new at91 to cpu.h definitionNicolas Ferre2009-11-031-0/+2
| | | | | | | | | | | | | | | | | | Somme common drivers will need those at91 cpu_is_xxx() definitions. As at91sam9g10 and at91sam9g45 are on the way to linus' tree, here is the patch that adds those chips to cpu.h in AVR32 architecture. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
* | Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds2009-11-0354-440/+544
|\ \ | |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (38 commits) MIPS: O32: Fix ppoll MIPS: Oprofile: Rename cpu_type from godson2 to loongson2 MIPS: Alchemy: Fix hang with high-frequency edge interrupts MIPS: TXx9: Fix spi-baseclk value MIPS: bcm63xx: Set the correct BCM3302 CPU name MIPS: Loongson 2: Set cpu_has_dc_aliases and cpu_icache_snoops_remote_store MIPS: Avoid potential hazard on Context register MIPS: Octeon: Use lockless interrupt controller operations when possible. MIPS: Octeon: Use write_{un,}lock_irq{restore,save} to set irq affinity MIPS: Set S-cache linesize to 64-bytes for MTI's S-cache MIPS: SMTC: Avoid queing multiple reschedule IPIs MIPS: GCMP: Avoid accessing registers when they are not present MIPS: GIC: Random fixes and enhancements. MIPS: CMP: Fix memory barriers for correct operation of amon_cpu_start MIPS: Fix abs.[sd] and neg.[sd] emulation for NaN operands MIPS: SPRAM: Clean up support code a little MIPS: 1004K: Enable SPRAM support. MIPS: Malta: Enable PCI 2.1 compatibility in PIIX4 MIPS: Kconfig: Fix duplicate default value for MIPS_L1_CACHE_SHIFT. MIPS: MTI: Fix accesses to device registers on MIPS boards ...
| * MIPS: O32: Fix ppollArnaud Patard2009-11-021-1/+1
| | | | | | | | | | | | | | | | sys_ppoll syscall needs to use a compat handler on 64bit kernels with o32 user-space. Signed-off-by: Arnaud Patard <apatard@mandriva.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * MIPS: Oprofile: Rename cpu_type from godson2 to loongson2Wu Zhangjin2009-11-021-1/+1
| | | | | | | | | | | | | | | | | | | | Unify the naming method between kernel and the user-space oprofile tool. Because loongson is used instead of godson in most of the places, we agreed to use loongson instead, which will simplify future maintenance. Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> Acked-by: Robert Richter <robert.richter@amd.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * MIPS: Alchemy: Fix hang with high-frequency edge interruptsManuel Lauss2009-11-021-8/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The handle_edge_irq() flowhandler disables edge int sources which occur too fast (i.e. another edge comes in before the irq handler function had a chance to finish). Currently, the mask_ack() callback does not ack the edges in hardware, leading to an endless loop in the flowhandler where it tries to shut up the irq source. When I rewrote the alchemy IRQ code I wrongly assumed the mask_ack() callback was only used by the level flowhandler, hence it omitted the (at the time pointless) edge acks. Turned out I was wrong; so here is a complete mask_ack implementation for Alchemy IC, which fixes the above mentioned problem. Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * MIPS: TXx9: Fix spi-baseclk valueAtsushi Nemoto2009-11-021-1/+1
| | | | | | | | | | | | | | | | | | | | TXx9 SPI bit rate is calculated by: fBR = fSPI / 2 / (n + 1) (fSPI is SPI master clock freq, i.e. imbusclk freq.) So use imbus_clk / 2 as a spi-baseclk. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * MIPS: bcm63xx: Set the correct BCM3302 CPU nameFlorian Fainelli2009-11-021-0/+3
| | | | | | | | | | | | | | | | For consistency with other BCM63xx SoC set the CPU name to "Broadcom BCM6338" when actually running on that system. Signed-off-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * MIPS: Loongson 2: Set cpu_has_dc_aliases and cpu_icache_snoops_remote_storeZhang Le2009-11-021-2/+1
| | | | | | | | | | | | | | | | | | | | Loongson 2 does not have dcache aliases when is using 16k pages. and the And because Loongson 2 doesn't do SMP , cpu_icache_snoops_remote_store does not matter here. Signed-off-by: Zhang Le <r0bertz@gentoo.org> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * MIPS: Avoid potential hazard on Context registerRalf Baechle2009-11-022-0/+4
| | | | | | | | | | | | | | | | | | | | set_saved_sp reads Context register. Avoid reading stale value from earlier incomplete write. Issue found and fixed for head.S by Chris Dearman <chris@mips.com>. Signed-off-by: Chris Dearman <chris@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * MIPS: Octeon: Use lockless interrupt controller operations when possible.David Daney2009-11-021-36/+178
| | | | | | | | | | | | | | | | Some newer Octeon chips have registers that allow lockless operation of the interrupt controller. Take advantage of them. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * MIPS: Octeon: Use write_{un,}lock_irq{restore,save} to set irq affinityDavid Daney2009-11-021-4/+6
| | | | | | | | | | | | | | | | Since the locks are used from interrupt context we need the irqsave/irqrestore versions of the locking functions. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * MIPS: Set S-cache linesize to 64-bytes for MTI's S-cacheRalf Baechle2009-11-021-0/+1
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * MIPS: SMTC: Avoid queing multiple reschedule IPIsJaidev Patwardhan2009-11-022-4/+31
| | | | | | | | | | Signed-off-by: Chris Dearman <chris@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * MIPS: GCMP: Avoid accessing registers when they are not presentJaidev Patwardhan2009-11-021-3/+13
| | | | | | | | | | Signed-off-by: Chris Dearman <chris@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * MIPS: GIC: Random fixes and enhancements.Chris Dearman2009-11-025-293/+142
| | | | | | | | | | Signed-off-by: Chris Dearman <chris@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * MIPS: CMP: Fix memory barriers for correct operation of amon_cpu_startChris Dearman2009-11-021-3/+4
| | | | | | | | | | Signed-off-by: Chris Dearman (chris@mips.com) Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * MIPS: Fix abs.[sd] and neg.[sd] emulation for NaN operandsNigel Stephens2009-11-022-17/+7
| | | | | | | | | | | | | | This patch ensures that the sign bit is always updated for NaN operands. Signed-off-by: Chris Dearman <chris@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * MIPS: SPRAM: Clean up support code a littleChris Dearman2009-11-023-10/+12
| | | | | | | | | | Signed-off-by: Chris Dearman <chris@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * MIPS: 1004K: Enable SPRAM support.Ralf Baechle2009-11-021-0/+1
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * MIPS: Malta: Enable PCI 2.1 compatibility in PIIX4Ralf Baechle2009-11-021-0/+13
| | | | | | | | | | | | Based on original patch by Chris Dearman <chris@mips.com>. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * MIPS: Kconfig: Fix duplicate default value for MIPS_L1_CACHE_SHIFT.Ralf Baechle2009-11-021-2/+1
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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