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* crypto: ansi_cprng - Fix test in get_prng_bytesRoel Kluin2009-10-271-3/+0
| | | | | | | | size_t nbytes cannot be less than 0 and the test was redundant. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: hash - Remove cra_u.{digest,hash}Benjamin Gilbert2009-10-191-27/+0
| | | | | | | | | | Remove unused digest_alg and hash_alg structs from crypto_alg union and kill their definitions. This also ensures that old-style digest/hash algorithms maintained out of tree will break at build time rather than oopsing at runtime. Signed-off-by: Benjamin Gilbert <bgilbert@cs.cmu.edu> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: api - Remove digest case from procfs show handlerBenjamin Gilbert2009-10-191-7/+0
| | | | | | | | Remove special handling of old-style digest algorithms from the procfs show handler. Signed-off-by: Benjamin Gilbert <bgilbert@cs.cmu.edu> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: hash - Remove legacy hash/digest codeBenjamin Gilbert2009-10-193-424/+0
| | | | | | | | | 6941c3a0 disabled compilation of the legacy digest code but didn't actually remove it. Rectify this. Also, remove the crypto_hash_type extern declaration from algapi.h now that the struct is gone. Signed-off-by: Benjamin Gilbert <bgilbert@cs.cmu.edu> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: ansi_cprng - Add FIPS wrapperNeil Horman2009-10-191-9/+70
| | | | | | | | Patch to add fips(ansi_cprng) alg, which is ansi_cprng plus a continuous test Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Acked-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: ghash - Add PCLMULQDQ accelerated implementationHuang Ying2009-10-197-0/+510
| | | | | | | | | | | | | | | | PCLMULQDQ is used to accelerate the most time-consuming part of GHASH, carry-less multiplication. More information about PCLMULQDQ can be found at: http://software.intel.com/en-us/articles/carry-less-multiplication-and-its-usage-for-computing-the-gcm-mode/ Because PCLMULQDQ changes XMM state, its usage must be enclosed with kernel_fpu_begin/end, which can be used only in process context, the acceleration is implemented as crypto_ahash. That is, request in soft IRQ context will be defered to the cryptd kernel thread. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: padlock-sha - Fix stack alignmentHerbert Xu2009-09-211-2/+12
| | | | | | | | | | | | | The PadLock hardware requires the output buffer for SHA to be 128-bit aligned. We currentply place the buffer on the stack, and ask gcc to align it to 128 bits. That doesn't work on i386 because the kernel stack is only aligned to 32 bits. This patch changes the code to align the buffer by hand so that the hardware doesn't fault on unaligned buffers. Reported-by: Séguier Régis <rguier@e-teleport.net> Tested-by: Séguier Régis <rguier@e-teleport.net> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* Merge branch 'x86-platform-for-linus' of ↵Linus Torvalds2009-09-1856-907/+756
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (38 commits) x86: Move get/set_wallclock to x86_platform_ops x86: platform: Fix section annotations x86: apic namespace cleanup x86: Distangle ioapic and i8259 x86: Add Moorestown early detection x86: Add hardware_subarch ID for Moorestown x86: Add early platform detection x86: Move tsc_init to late_time_init x86: Move tsc_calibration to x86_init_ops x86: Replace the now identical time_32/64.c by time.c x86: time_32/64.c unify profile_pc x86: Move calibrate_cpu to tsc.c x86: Make timer setup and global variables the same in time_32/64.c x86: Remove mca bus ifdef from timer interrupt x86: Simplify timer_ack magic in time_32.c x86: Prepare unification of time_32/64.c x86: Remove do_timer hook x86: Add timer_init to x86_init_ops x86: Move percpu clockevents setup to x86_init_ops x86: Move xen_post_allocator_init into xen_pagetable_setup_done ... Fix up conflicts in arch/x86/include/asm/io_apic.h
| * x86: Move get/set_wallclock to x86_platform_opsFeng Tang2009-09-1612-83/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | get/set_wallclock() have already a set of platform dependent implementations (default, EFI, paravirt). MRST will add another variant. Moving them to platform ops simplifies the existing code and minimizes the effort to integrate new variants. Signed-off-by: Feng Tang <feng.tang@intel.com> LKML-Reference: <new-submission> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: platform: Fix section annotationsThomas Gleixner2009-09-163-4/+4
| | | | | | | | | | | | | | | | | | init_IRQ() and x86_late_time_init() are missing __init annotations. The x86 platform ops variables are annotated, but the annotation needs to be put between the variable name and the "=" of the initializer. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: apic namespace cleanupThomas Gleixner2009-08-315-12/+12
| | | | | | | | | | | | | | boot_cpu_physical_apicid is a global variable and used as function argument as well. Rename the function arguments to avoid confusion. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Distangle ioapic and i8259Thomas Gleixner2009-08-312-12/+31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The proposed Moorestown support patches use an extra feature flag mechanism to make the ioapic work w/o an i8259. There is a much simpler solution. Most i8259 specific functions are already called dependend on the irq number less than NR_IRQS_LEGACY. Replacing that constant by a read_mostly variable which can be set to 0 by the platform setup code allows us to achieve the same without any special feature flags. That trivial change allows us to proceed with MRST w/o doing a full blown overhaul of the ioapic code which would delay MRST unduly. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Add Moorestown early detectionThomas Gleixner2009-08-315-0/+47
| | | | | | | | | | | | | | | | | | | | | | Moorestown MID devices need to be detected early in the boot process to setup and do not call x86_default_early_setup as there is no EBDA region to reserve. [ Copied the minimal code from Jacobs latest MRST series ] Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Jacob Pan <jacob.jun.pan@intel.com>
| * x86: Add hardware_subarch ID for MoorestownPan, Jacob jun2009-08-313-0/+12
| | | | | | | | | | | | | | | | | | | | x86 bootprotocol 2.07 has introduced hardware_subarch ID in the boot parameters provided by FW. We use it to identify Moorestown platforms. [ tglx: Cleanup and paravirt fix ] Signed-off-by: Jacob Pan <jacob.jun.pan@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Add early platform detectionThomas Gleixner2009-08-314-9/+20
| | | | | | | | | | | | | | | | | | | | | | | | Platforms like Moorestown require early setup and want to avoid the call to reserve_ebda_region. The x86_init override is too late when the MRST detection happens in setup_arch. Move the default i386 x86_init overrides and the call to reserve_ebda_region into a separate function which is called as the default of a switch case depending on the hardware_subarch id in boot params. This allows us to add a case for MRST and let MRST have its own early setup function. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Move tsc_init to late_time_initThomas Gleixner2009-08-311-1/+1
| | | | | | | | | | | | | | | | | | | | We do not need the TSC before late_time_init. Move the tsc_init to the late time init code so we can also utilize HPET for calibration (which we claimed to do but never did except in some older kernel version). This also helps Moorestown to calibrate the TSC with the AHBT timer which needs to be initialized in late_time_init like HPET. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Move tsc_calibration to x86_init_opsThomas Gleixner2009-08-3117-41/+48
| | | | | | | | | | | | | | | | | | | | TSC calibration is modified by the vmware hypervisor and paravirt by separate means. Moorestown wants to add its own calibration routine as well. So make calibrate_tsc a proper x86_init_ops function and override it by paravirt or by the early setup of the vmware hypervisor. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Replace the now identical time_32/64.c by time.cThomas Gleixner2009-08-313-122/+1
| | | | | | | | | | | | Remove the redundant copy. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: time_32/64.c unify profile_pcThomas Gleixner2009-08-312-10/+11
| | | | | | | | | | | | | | The code is identical except for the formatting and a useless #ifdef. Make it the same. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Move calibrate_cpu to tsc.cThomas Gleixner2009-08-314-56/+55
| | | | | | | | | | | | | | Move the code where it's only user is. Also we need to look whether this hardwired hackery might interfere with perfcounters. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Make timer setup and global variables the same in time_32/64.cThomas Gleixner2009-08-312-11/+35
| | | | | | | | | | | | | | | | The timer and timer irq setup code is identical in 32 and 64 bit. Make it the same formatting as well. Also add the global variables under the necessary ifdefs to both files. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Remove mca bus ifdef from timer interruptThomas Gleixner2009-08-312-21/+6
| | | | | | | | | | | | | | MCA_bus is constant 0 when CONFIG_MCA=n. So the compiler removes that code w/o needing an extra #ifdef Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Simplify timer_ack magic in time_32.cThomas Gleixner2009-08-313-4/+21
| | | | | | | | | | | | | | | | | | Let the compiler optimize the timer_ack magic away in the 32bit timer interrupt and put the same code into time_64.c. It's optimized out for CONFIG_X86_IO_APIC on 32bit and for 64bit because timer_ack is const 0 in both cases. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Prepare unification of time_32/64.cThomas Gleixner2009-08-312-39/+18
| | | | | | | | | | | | Unify the top comment and the includes. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Remove do_timer hookThomas Gleixner2009-08-312-19/+4
| | | | | | | | | | | | | | This is a left over of the old x86 sub arch support. Remove it and open code it like we do in time_64.c Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Add timer_init to x86_init_opsThomas Gleixner2009-08-3117-113/+53
| | | | | | | | | | | | | | | | | | | | | | | | The timer init code is convoluted with several quirks and the paravirt timer chooser. Figuring out which code path is actually taken is not for the faint hearted. Move the numaq TSC quirk to tsc_pre_init x86_init_ops function and replace the paravirt time chooser and the remaining x86 quirk with a simple x86_init_ops function. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Move percpu clockevents setup to x86_init_opsThomas Gleixner2009-08-3111-28/+42
| | | | | | | | | | | | | | | | | | | | paravirt overrides the setup of the default apic timers as per cpu timers. Moorestown needs to override that as well. Move it to x86_init_ops setup and create a separate x86_cpuinit struct which holds the function for the secondary evtl. hotplugabble CPUs. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Move xen_post_allocator_init into xen_pagetable_setup_doneThomas Gleixner2009-08-317-19/+4
| | | | | | | | | | | | | | | | | | We really do not need two paravirt/x86_init_ops functions which are called in two consecutive source lines. Move the only user of post_allocator_init into the already existing pagetable_setup_done function. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Move paravirt pagetable_setup to x86_init_opsThomas Gleixner2009-08-3111-46/+32
| | | | | | | | | | | | Replace more paravirt hackery by proper x86_init_ops. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Move paravirt banner printout to x86_init_opsThomas Gleixner2009-08-317-14/+12
| | | | | | | | | | | | | | | | Replace another obscure paravirt magic and move it to x86_init_ops. Such a hook is also useful for embedded and special hardware. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Replace ARCH_SETUP by a proper x86_init_opsThomas Gleixner2009-08-317-9/+15
| | | | | | | | | | | | | | ARCH_SETUP is a horrible leftover from the old arch/i386 mach support code. It still has a lonely user in xen. Move it to x86_init_ops. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Move traps_init to x86_init_opsThomas Gleixner2009-08-317-27/+8
| | | | | | | | | | | | Replace the quirks by a simple x86_init_ops function. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Move irq_init to x86_init_opsThomas Gleixner2009-08-3112-42/+11
| | | | | | | | | | | | | | | | | | irq_init is overridden by x86_quirks and by paravirts. Unify the whole mess and make it an unconditional x86_init_ops function which defaults to the standard function and can be overridden by the early platform code. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Move pre_intr_init to x86_init_opsThomas Gleixner2009-08-317-31/+22
| | | | | | | | | | | | | | | | | | Replace the quirk machinery by a x86_init_ops function which defaults to the standard implementation. This is also a preparatory patch for Moorestown support which needs to replace the default init_ISA_irqs as well. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Move get/find_smp_config to x86_init_opsThomas Gleixner2009-08-318-54/+42
| | | | | | | | | | | | | | Replace the quirk machinery by a x86_init_ops function which defaults to the standard implementation. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Move oem_bus_info to x86_init_opsThomas Gleixner2009-08-276-10/+18
| | | | | | | | Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Move mpc_oem_pci_bus to x86_init_opsThomas Gleixner2009-08-274-4/+6
| | | | | | | | Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Move smp_read_mpc_oem to x86_init_ops.Thomas Gleixner2009-08-276-10/+13
| | | | | | | | | | | | Move smp_read_mpc_oem from quirks to x86_init. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Move mpc_apic_id to x86_init_opsThomas Gleixner2009-08-276-7/+15
| | | | | | | | | | | | | | The mpc_apic_id setup is handled by a x86_quirk. Make it a x86_init_ops function with a default implementation. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Move ioapic_ids_setup to x86_init_opsThomas Gleixner2009-08-277-16/+13
| | | | | | | | | | | | | | | | 32bit and also the numaq code have special requirements on the ioapic_id setup. Convert it to a x86_init_ops function and get rid of the quirks and #ifdefs Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Sanitize smp_record and move it to x86_init_opsThomas Gleixner2009-08-275-9/+34
| | | | | | | | | | | | | | | | | | | | | | The x86 quirkification introduced an extra ugly hackery with a variable pointer in the mpparse code. If the pointer is initialized then it is dereferenced and the variable set to 0 or incremented. Create a x86_init_ops function and let the affected numaq code hold the function. Default init is a setup noop. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Move memory_setup to x86_init_opsThomas Gleixner2009-08-2711-32/+11
| | | | | | | | | | | | | | | | | | memory_setup is overridden by x86_quirks and by paravirts with weak functions and quirks. Unify the whole mess and make it an unconditional x86_init_ops function which defaults to the standard function and can be overridden by the early platform code. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Add reserve_ebda_region to x86_init_opsThomas Gleixner2009-08-274-4/+7
| | | | | | | | | | | | | | | | reserve_ebda_region needs to be called befor start_kernel. Moorestown needs to override it. Make it a x86_init_ops function and initialize it with the default reserve_ebda_region. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Add request_standard_resources to x86_initThomas Gleixner2009-08-275-13/+25
| | | | | | | | | | | | | | | | | | | | | | | | The 32bit and the 64bit code are slighty different in the reservation of standard resources. Also the upcoming Moorestown support needs its own version of that. Add it to x86_init_ops and initialize it with the 64bit default. 32bit overrides it in early boot. Now moorestown can add it's own override w/o sprinkling the code with more #ifdefs Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Add probe_roms to x86_initThomas Gleixner2009-08-274-3/+18
| | | | | | | | | | | | | | | | | | | | probe_roms is only used on 32bit. Add it to the x86_init ops and remove the #ifdefs. Default initializer is x86_init_noop() which is overridden in the 32bit boot code. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * x86: Add x86_init infrastructureThomas Gleixner2009-08-274-1/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The upcoming Moorestown support brings the embedded world to x86. The setup code of x86 has already a couple of hooks which are either x86_quirks or paravirt ops. Some of those setup hooks are pretty convoluted like the timer setup and the tsc calibration code. But there are other places which could do with a cleanup. Instead of having inline functions/macros which are modified at compile time I decided to introduce x86_init ops which are unconditional in the code and make it clear that they can be changed either during compile time or in the early boot process. The function pointers are initialized by default functions which can be noops so that the pointer can be called unconditionally in the most cases. This also allows us to remove 32bit/64bit, paravirt and other #ifdeffery. paravirt guests are just a hardware platform in the setup code, so we should treat them as such and not hide all behind multiple layers of indirection and compile time dependencies. It's more obvious that x86_init.timers.timer_init() is a function pointer than the late_time_init = choose_time_init() obscurity. It's also way simpler to grep for x86_init.timers.timer_init and find all the places which modify that function pointer instead of analyzing weak functions, macros and paravirt indirections. Note. This is not a general paravirt_ops replacement. It just will move setup related hooks which are potentially useful for other platform setup purposes as well out of the paravirt domain. Add the base infrastructure without any functionality. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * Merge branch 'sched/clock' into x86/cleanupsThomas Gleixner2009-08-27122-918/+1146
| |\ | | | | | | | | | | | | | | | | | | Reason: The tsc init cleanup depends on sched_clock_init moving past late_time_init. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * \ Merge branch 'x86/paravirt' into x86/cleanupsThomas Gleixner2009-08-272-710/+721
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | Reason: The setup cleanups conflict with the paravirt cleanups. Avoid a rather large merge conflict Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | | | sparc: Clean up linker script using new linker script macros.Geoffrey Thomas2009-09-181-68/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Geoffrey Thomas <geofft@ksplice.com> Signed-off-by: Tim Abbott <tabbott@ksplice.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | frv: clean up linker script using new linker script macros.Nelson Elhage2009-09-181-54/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is largely a straightforward conversion. The patch results in fewer output sections, and some data being reordered, but should have no functional impact. Also, note that this patch moves some data (namely, init_task and cacheline-aligned) inside [_sdata,_edata]. Because frv already builds using -ffunction-sections -fdata-sections, we can't use BSS_SECTION or RW_DATA_SECTION yet, since they do not currently include the required .bss.* and .data.* sections. Signed-off-by: Nelson Elhage <nelhage@ksplice.com> Acked-by: David Howells <dhowells@redhat.com> Signed-off-by: Tim Abbott <tabbott@ksplice.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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