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* [POWERPC] Remove unused function call_with_mmu_offStephen Rothwell2006-06-28
| | | | | Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Clean up it_lp_queue.hStephen Rothwell2006-06-28
| | | | | | | | | No more StudlyCaps. Remove from a couple of places it is no longer needed. Use C style comments. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Skip the "copy down" of the kernel if it is already at zero.Jimi Xenidis2006-06-28
| | | | | | | | | This patch allows the kernel to recognized that it was loaded at zero and the copy down of the image is unnecessary. This is useful for Simulators and kexec models. On a typical 3.8 MiB vmlinux.strip this saves about 2.3 million instructions. Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Add the use of the firmware soft-reset-nmi to kdump.David Wilder2006-06-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With this patch, kdump uses the firmware soft-reset NMI for two purposes: 1) Initiate the kdump (take a crash dump) by issuing a soft-reset. 2) Break a CPU out of a deadlock condition that is detected during kdump processing. When a soft-reset is initiated each CPU will enter system_reset_exception() and set its corresponding bit in the global bit-array cpus_in_sr then call die(). When die() finds the CPU's bit set in cpu_in_sr crash_kexec() is called to initiate a crash dump. The first CPU to enter crash_kexec() is called the "crashing CPU". All other CPUs are "secondary CPUs". The secondary CPU's pass through to crash_kexec_secondary() and sleep. The crashing CPU waits for all CPUs to enter via soft-reset then boots the kdump kernel (see crash_soft_reset_check()) When the system crashes due to a panic or exception, crash_kexec() is called by panic() or die(). The crashing CPU sends an IPI to all other CPUs to notify them of the pending shutdown. If a CPU is in a deadlock or hung state with interrupts disabled, the IPI will not be delivered. The result being, that the kdump kernel is not booted. This problem is solved with the use of a firmware generated soft-reset. After the crashing_cpu has issued the IPI, it waits for 10 sec for all CPUs to enter crash_ipi_callback(). A CPU signifies its entry to crash_ipi_callback() by setting its corresponding bit in the cpus_in_crash bit array. After 10 sec, if one or more CPUs have not set their bit in cpus_in_crash we assume that the CPU(s) is deadlocked. The operator is then prompted to generate a soft-reset to break the deadlock. Each CPU enters the soft reset handler as described above. Two conditions must be handled at this point: 1) The system crashed because the operator generated a soft-reset. See 2) The system had crashed before the soft-reset was generated ( in the case of a Panic or oops). The first CPU to enter crash_kexec() uses the state of the kexec_lock to determine this state. If kexec_lock is already held then condition 2 is true and crash_kexec_secondary() is called, else; this CPU is flagged as the crashing CPU, the kexec_lock is acquired and crash_kexec() proceeds as described above. Each additional CPUs responding to the soft-reset will pass through crash_kexec() to kexec_secondary(). All secondary CPUs call crash_ipi_callback() readying them self's for the shutdown. When ready they clear their bit in cpus_in_sr. The crashing CPU waits in kexec_secondary() until all other CPUs have cleared their bits in cpus_in_sr. The kexec kernel boot is then started. Signed-off-by: Haren Myneni <haren@us.ibm.com> Signed-off-by: David Wilder <dwilder@us.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] spufs: fix class0 interrupt assignmentArnd Bergmann2006-06-28
| | | | | | | | The class zero interrupt handling for spus was confusing alignment and error interrupts, so swap them. Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] spufs: fix memory hotplug dependencyGeoff Levand2006-06-27
| | | | | | | | | | | spufs_base.c calls __add_pages, which depends on CONFIG_MEMORY_HOTPLUG. Moved the selection of CONFIG_MEMORY_HOTPLUG from CONFIG_SPUFS_MMAP to CONFIG_SPU_FS. Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] spufs: fix MFC command queue purgeBenjamin Herrenschmidt2006-06-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | In the context save/restore code, the SPU MFC command queue purge code has a bug: static inline void wait_purge_complete(struct spu_state *csa, struct spu *spu) { struct spu_priv2 __iomem *priv2 = spu->priv2; /* Save, Step 28: * Poll MFC_CNTL[Ps] until value '11' is * read * (purge complete). */ POLL_WHILE_FALSE(in_be64(&priv2->mfc_control_RW) & MFC_CNTL_PURGE_DMA_COMPLETE); } This will exit as soon as _one_ of the 2 bits that compose MFC_CNTL_PURGE_DMA_COMPLETE is set, and one of them happens to be "purge in progress"... which means that we'll happily continue restoring the MFC while it's being purged at the same time. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] spufs: map mmio space as guarded into user spaceBenjamin Herrenschmidt2006-06-27
| | | | | | | | | This fixes a bug where we don't properly map SPE MMIO space as guarded, causing various test cases to fail, probably due to write combining and other niceties caused by the lack of the G bit. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Enable XMON in cell_defconfigMichael Ellerman2006-06-27
| | | | | | | Now that we have the udbg callbacks we can enable XMON by default. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Enable the RTAS udbg console on IBM Cell BladeMichael Ellerman2006-06-27
| | | | | | | | Enable the RTAS udbg console on IBM Cell Blade, this allows xmon to work. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Add udbg support for RTAS consoleMichael Ellerman2006-06-27
| | | | | | | | | Add udbg hooks for the RTAS console, based on the RTAS put-term-char and get-term-char calls. Along with my previous patches, this should enable debugging as soon as early_init_dt_scan_rtas() is called. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Setup RTAS values earlier, to enable rtas_call() earlierMichael Ellerman2006-06-27
| | | | | | | | | | | | | | Althought RTAS is instantiated when we enter the kernel, we can't actually call into it until we know its entry point address. Currently we grab that in rtas_initialize(), however that's quite late in the boot sequence. To enable rtas_call() earlier, we can grab the RTAS entry etc. values while we're scanning the flattened device tree. There's existing code to retrieve the values from /chosen, however we don't store them there anymore, so remove that code. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Move RTAS exports next to their declarationsMichael Ellerman2006-06-27
| | | | | | | Move RTAS exports next to their declarations. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Make rtas_call() safe if RTAS hasn't been initialisedMichael Ellerman2006-06-27
| | | | | | | | | | | | | Currently it's unsafe to call rtas_call() prior to rtas_initialize(). This is because the rtas.entry value hasn't been setup and so we don't know where to enter, but we just try anyway. We can't do anything intelligent without rtas.entry, so if it's not set, just return. Code that calls rtas_call() early needs to be aware that the call might fail. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Setup the boot cpu's paca pointer in C rather than asmMichael Ellerman2006-06-27
| | | | | | | | There's no need to set the boot cpu paca in asm, so do it in C so us mere mortals can understand it. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Make kexec_setup() a regular initcallMichael Ellerman2006-06-27
| | | | | | | | There's no reason kexec_setup() needs to be called explicitly from setup_system(), it can just be a regular initcall. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Use ppc_md.hpte_insert() in htab_bolt_mapping()Michael Ellerman2006-06-27
| | | | | | | | With the ppc_md htab pointers setup earlier, we can use ppc_md.hpte_insert in htab_bolt_mapping(), rather than deciding which version to call by hand. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] powerpc: Initialise ppc_md htab pointers earlierMichael Ellerman2006-06-27
| | | | | | | | | | Initialise the ppc_md htab callbacks earlier, in the probe routines. This allows us to call htab_finish_init() from htab_initialize(), and makes it private to hash_utils_64.c. Move htab_finish_init() and make_bl() above htab_initialize() to avoid forward declarations. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Export flat device tree via debugfs for debuggingMichael Ellerman2006-06-27
| | | | | | | | | | | | | | If DEBUG is turned on in prom.c, export the flat device tree via debugfs. This has been handy on several occasions. To look at it: # mount -t debugfs none /sys/kernel/debug # od -a /sys/kernel/debug/powerpc/flat-device-tree and/or # dtc -fI dtb /sys/kernel/debug/powerpc/flat-device-tree -O dts Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Remove remaining iSeries debugger cruftMichael Ellerman2006-06-27
| | | | | | | | | | | None of this seems to be necessary, so let's see if can remove it and not break anything. Booted on iSeries & pSeries here. NB. we don't remove the hvReleaseData, we just move it down so that the file reads more clearly. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] kdump: Reserve the existing TCE mappings left by the first kernelHaren Myneni2006-06-27
| | | | | | | | | | | | | | | | | | | | | | During kdump boot, noticed some machines checkstop on dma protection fault for ongoing DMA left in the first kernel. Instead of initializing TCE entries in iommu_init() for the kdump boot, this patch fixes this issue by walking through the each TCE table and checks whether the entries are in use by the first kernel. If so, reserve those entries by setting the corresponding bit in tbl->it_map such that these entries will not be available for the kdump boot. However it could be possible that all TCE entries might be used up due to the driver bug that does continuous mapping. My observation is around 1700 TCE entries are used on some systems (Ex: P4) at some point of time during kdump boot and saving dump (either write into the disk or sending to remote machine). Hence, this patch will make sure that minimum of 2048 entries will be available such that kdump boot could be successful in some cases. Signed-off-by: Haren Myneni <haren@us.ibm.com> Acked-by: Olof Johansson <olof@lixom.net> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Remove obsolete #include <linux/config.h>.Jon Loeliger2006-06-27
| | | | | Signed-off-by: Jon Loeliger <jdl@freescale.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Remove redundant STD_MMU selection.Jon Loeliger2006-06-27
| | | | | Signed-off-by: Jon Loeliger <jdl@freescale.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Move I8259 selection under MPC8641HPCN boardJon Loeliger2006-06-27
| | | | | Signed-off-by: Jon Loeliger <jdl@freescale.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Remove redundant PPC_86XX check.Jon Loeliger2006-06-27
| | | | | Signed-off-by: Jon Loeliger <jdl@freescale.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [POWERPC] Don't access HID registers if running on a Hypervisor.Jimi Xenidis2006-06-27
| | | | | | | | The following patch avoids accessing Hypervisor privilege HID registers when running on a Hypervisor (MSR[HV]=0). Signed-off-by: Jimi Xenidis <jimix@watson.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2006-06-26
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 3657/1: S3C24XX: Documentation update of Overview.txt [ARM] Update mach-types [ARM] 3656/1: S3C2412: Add S3C2412 and S3C2413 documenation [ARM] 3654/1: add ajeco 1arm sbc support [ARM] fix drivers/mfd/ucb1x00-core.c IRQ probing bug [ARM] 3651/1: S3C24XX: Make arch list more detailed [ARM] 3650/1: S3C2412: Update s3c2410_defconfig [ARM] 3649/1: S3C24XX: Fix capitalisation of CPU on SMDK2440 [ARM] 3612/1: make pci bus optional for ixp4xx platform [ARM] Remove MODE_(SVC|IRQ|FIQ|USR) and DEFAULT_FIQ [ARM] Remove save_lr/restore_pc macros [ARM] Remove partial non-v6 binutils compatibility [ARM] Remove LOADREGS macro [ARM] Remove RETINSTR macro
| * [ARM] Update mach-typesRussell King2006-06-26
| | | | | | | | | | | | Usual mach-types update. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] 3654/1: add ajeco 1arm sbc supportLennert Buytenhek2006-06-26
| | | | | | | | | | | | | | | | | | | | | | | | Patch from Lennert Buytenhek This patch adds support for the Ajeco 1ARM Single Board Computer, a VME form factor SBC based on the Atmel AT91 SoC, with 64M RAM, seven serial ports, three ethernet ports, IDE, CF, USB host and device, and S-Video/VGA out.-- Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] 3651/1: S3C24XX: Make arch list more detailedBen Dooks2006-06-26
| | | | | | | | | | | | | | | | | | | | | | Patch from Ben Dooks Add the rest of the supported S3C24XX family to the configuration selection for ARCH_S3C2410. This should try and make it clearer for people trying to find the S3C2440 or freinds where they can be found.-- Signed-off-by: Ben Dooks <ben-linux@fluff.org>Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] 3650/1: S3C2412: Update s3c2410_defconfigBen Dooks2006-06-26
| | | | | | | | | | | | | | | | | | | | | | Patch from Ben Dooks Add SMDK2413 to the list of the machines being built for ARCH_S3C2410, thus ensursing our all machines build has an representitive of the S3C2412/S3C2413 CPU series-- Signed-off-by: Ben Dooks <ben-linux@fluff.org>Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] 3649/1: S3C24XX: Fix capitalisation of CPU on SMDK2440Ben Dooks2006-06-26
| | | | | | | | | | | | | | | | Patch from Ben Dooks Make CPU uppercase on the SMDK2440 KConfig entries-- Signed-off-by: Ben Dooks <ben-linux@fluff.org>Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] 3612/1: make pci bus optional for ixp4xx platformMilan Svoboda2006-06-25
| | | | | | | | | | | | | | | | | | | | | | | | Patch from Milan Svoboda IXP4XX platform can happily live without pci bus. This patch modifies Kconfig to support this option and modifies Makefile so pci only files are compiled only when pci is really selected. Patch is tested and ixdp465 runs fine with or without the pci bus.-- Signed-off-by: Milan Svoboda <msvoboda@ra.rockwell.com>Signed-off-by: Deepak Saxena <dsaxena@plexity.net>Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] Remove MODE_(SVC|IRQ|FIQ|USR) and DEFAULT_FIQRussell King2006-06-25
| | | | | | | | | | | | | | DEFAULT_FIQ was entirely unused. MODE_* are just redefinitions of *_MODE. Use *_MODE instead. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] Remove save_lr/restore_pc macrosRussell King2006-06-25
| | | | | | | | | | | | | | As for RETINSTR/LOADREGS macros, these were for compatibility with 26-bit ARMs. No longer required, so remove them. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] Remove partial non-v6 binutils compatibilityRussell King2006-06-25
| | | | | | | | | | | | | | | | | | proc-v6 contains some compatibility to be able to use the V6 "cps" instruction. However, the kernel makes use of this instruction elsewhere extensively, so there's no point keeping this compatibility anymore. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] Remove LOADREGS macroRussell King2006-06-25
| | | | | | | | | | | | | | As for RETINSTR, LOADREGS is a left-over from the 26-bit days. Remove it. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] Remove RETINSTR macroRussell King2006-06-25
| | | | | | | | | | | | | | | | RETINSTR is a left-over from the days when we had 26-bit and 32-bit CPU support integrated into the same tree. Since this is no longer the case, we can now remove RETINSTR. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivialLinus Torvalds2006-06-26
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial: typo fixes Clean up 'inline is not at beginning' warnings for usb storage Storage class should be first i386: Trivial typo fixes ixj: make ixj_set_tone_off() static spelling fixes fix paniced->panicked typos Spelling fixes for Documentation/atomic_ops.txt move acknowledgment for Mark Adler to CREDITS remove the bouncing email address of David Campbell
| * | Storage class should be firstTobias Klauser2006-06-26
| | | | | | | | | | | | | | | | | | | | | Storage class should be before const Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch> Signed-off-by: Adrian Bunk <bunk@stusta.de>
| * | i386: Trivial typo fixesEgry Gabor2006-06-26
| | | | | | | | | | | | | | | | | | | | | Trivial typo fixes in Kconfig files (i386). Signed-off-by: Egry Gabor <gaboregry@t-online.hu> Signed-off-by: Adrian Bunk <bunk@stusta.de>
| * | spelling fixesAndreas Mohr2006-06-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | acquired (aquired) contiguous (contigious) successful (succesful, succesfull) surprise (suprise) whether (weather) some other misspellings Signed-off-by: Andreas Mohr <andi@lisas.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
| * | fix paniced->panicked typosLee Revell2006-06-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | In a testament to the utter simplicity and logic of the English language ;-), I found a single correct use - in kernel/panic.c - and 10-15 incorrect ones. Signed-Off-By: Lee Revell <rlrevell@joe-job.com> Signed-off-by: Adrian Bunk <bunk@stusta.de>
* | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuildLinus Torvalds2006-06-26
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild: (40 commits) kbuild: trivial fixes in Makefile kbuild: adding symbols in Kconfig and defconfig to TAGS kbuild: replace abort() with exit(1) kbuild: support for %.symtypes files kbuild: fix silentoldconfig recursion kbuild: add option for stripping modules while installing them kbuild: kill some false positives from modpost kbuild: export-symbol usage report generator kbuild: fix make -rR breakage kbuild: append -dirty for updated but uncommited changes kbuild: append git revision for all untagged commits kbuild: fix module.symvers parsing in modpost kbuild: ignore make's built-in rules & variables kbuild: bugfix with initramfs kbuild: modpost build fix kbuild: check license compatibility when building modules kbuild: export-type enhancement to modpost.c kbuild: add dependency on kernel.release to the package targets kbuild: `make kernelrelease' speedup kconfig: KCONFIG_OVERWRITECONFIG ...
| * | | kconfig: integrate split config into silentoldconfigRoman Zippel2006-06-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that kconfig can load multiple configurations, it becomes simple to integrate the split config step, by simply comparing the new .config file with the old auto.conf (and then saving the new auto.conf). A nice side effect is that this saves a bit of disk space and cache, as no data needs to be read from or saved into the splitted config files anymore (e.g. include/config is now 648KB instead of 5.2MB). Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* | | | Merge master.kernel.org:/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds2006-06-26
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/herbert/crypto-2.6: [CRYPTO] tcrypt: Forbid tcrypt from being built-in [CRYPTO] aes: Add wrappers for assembly routines [CRYPTO] tcrypt: Speed benchmark support for digest algorithms [CRYPTO] tcrypt: Return -EAGAIN from module_init() [CRYPTO] api: Allow replacement when registering new algorithms [CRYPTO] api: Removed const from cra_name/cra_driver_name [CRYPTO] api: Added cra_init/cra_exit [CRYPTO] api: Fixed incorrect passing of context instead of tfm [CRYPTO] padlock: Rearrange context structure to reduce code size [CRYPTO] all: Pass tfm instead of ctx to algorithms [CRYPTO] digest: Remove unnecessary zeroing during init [CRYPTO] aes-i586: Get rid of useless function wrappers [CRYPTO] digest: Add alignment handling [CRYPTO] khazad: Use 32-bit reads on key
| * | | | [CRYPTO] aes: Add wrappers for assembly routinesHerbert Xu2006-06-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The wrapper routines are required when asmlinkage differs from the usual calling convention. So we need to have them. However, by rearranging the parameters, they will get optimised away to a single jump for most people. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * | | | [CRYPTO] all: Pass tfm instead of ctx to algorithmsHerbert Xu2006-06-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Up until now algorithms have been happy to get a context pointer since they know everything that's in the tfm already (e.g., alignment, block size). However, once we have parameterised algorithms, such information will be specific to each tfm. So the algorithm API needs to be changed to pass the tfm structure instead of the context pointer. This patch is basically a text substitution. The only tricky bit is the assembly routines that need to get the context pointer offset through asm-offsets.h. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * | | | [CRYPTO] digest: Remove unnecessary zeroing during initHerbert Xu2006-06-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Various digest algorithms operate one block at a time and therefore keep a temporary buffer of partial blocks. This buffer does not need to be initialised since there is a counter which indicates what is and isn't valid in it. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| * | | | [CRYPTO] aes-i586: Get rid of useless function wrappersHerbert Xu2006-06-26
| | |/ / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | The wrappers aes_encrypt/aes_decrypt simply reverse the order of the function arguments. It's just as easy to get the actual assembly code to read them in the opposite order. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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