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2013-04-29mm/hugetlb: add more arch-defined huge_pte functionsGerald Schaefer
Commit abf09bed3cce ("s390/mm: implement software dirty bits") introduced another difference in the pte layout vs. the pmd layout on s390, thoroughly breaking the s390 support for hugetlbfs. This requires replacing some more pte_xxx functions in mm/hugetlbfs.c with a huge_pte_xxx version. This patch introduces those huge_pte_xxx functions and their generic implementation in asm-generic/hugetlb.h, which will now be included on all architectures supporting hugetlbfs apart from s390. This change will be a no-op for those architectures. [akpm@linux-foundation.org: fix warning] Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Hugh Dickins <hughd@google.com> Cc: Hillf Danton <dhillf@gmail.com> Acked-by: Michal Hocko <mhocko@suse.cz> [for !s390 parts] Cc: Tony Luck <tony.luck@intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Paul Mundt <lethal@linux-sh.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-04-29mm/SPARC: use free_highmem_page() to free highmem pages into buddy systemJiang Liu
Use helper function free_highmem_page() to free highmem pages into the buddy system. Signed-off-by: Jiang Liu <jiang.liu@huawei.com> Cc: "David S. Miller" <davem@davemloft.net> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-04-29Include missing linux/slab.h inclusionsDavid Howells
Include missing linux/slab.h inclusions where the source file is currently expecting to get kmalloc() and co. through linux/proc_fs.h. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> cc: linux-s390@vger.kernel.org cc: sparclinux@vger.kernel.org cc: linux-efi@vger.kernel.org cc: linux-mtd@lists.infradead.org cc: devel@driverdev.osuosl.org cc: x86@kernel.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-04-29Merge tag 'usb-3.10-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB patches from Greg Kroah-Hartman: "Here's the big USB pull request for 3.10-rc1. Lots of USB patches here, the majority being USB gadget changes and USB-serial driver cleanups, the rest being ARM build fixes / cleanups, and individual driver updates. We also finally got some chipidea fixes, which have been delayed for a number of kernel releases, as the maintainer has now reappeared. All of these have been in linux-next for a while" * tag 'usb-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (568 commits) USB: ehci-msm: USB_MSM_OTG needs USB_PHY USB: OHCI: avoid conflicting platform drivers USB: OMAP: ISP1301 needs USB_PHY USB: lpc32xx: ISP1301 needs USB_PHY USB: ftdi_sio: enable two UART ports on ST Microconnect Lite usb: phy: tegra: don't call into tegra-ehci directly usb: phy: phy core cannot yet be a module USB: Fix initconst in ehci driver usb-storage: CY7C68300A chips do not support Cypress ATACB USB: serial: option: Added support Olivetti Olicard 145 USB: ftdi_sio: correct ST Micro Connect Lite PIDs ARM: mxs_defconfig: add CONFIG_USB_PHY ARM: imx_v6_v7_defconfig: add CONFIG_USB_PHY usb: phy: remove exported function from __init section usb: gadget: zero: put function instances on unbind usb: gadget: f_sourcesink.c: correct a copy-paste misnomer usb: gadget: cdc2: fix error return code in cdc_do_config() usb: gadget: multi: fix error return code in rndis_do_config() usb: gadget: f_obex: fix error return code in obex_bind() USB: storage: convert to use module_usb_driver() ...
2013-04-28Merge branch 'pm-cpufreq'Rafael J. Wysocki
* pm-cpufreq: (57 commits) cpufreq: MAINTAINERS: Add co-maintainer cpufreq: pxa2xx: initialize variables ARM: S5pv210: compiling issue, ARM_S5PV210_CPUFREQ needs CONFIG_CPU_FREQ_TABLE=y cpufreq: cpu0: Put cpu parent node after using it cpufreq: ARM big LITTLE: Adapt to latest cpufreq updates cpufreq: ARM big LITTLE: put DT nodes after using them cpufreq: Don't call __cpufreq_governor() for drivers without target() cpufreq: exynos5440: Protect OPP search calls with RCU lock cpufreq: dbx500: Round to closest available freq cpufreq: Call __cpufreq_governor() with correct policy->cpus mask cpufreq / intel_pstate: Optimize intel_pstate_set_policy cpufreq: OMAP: instantiate omap-cpufreq as a platform_driver arm: exynos: Enable OPP library support for exynos5440 cpufreq: exynos: Remove error return even if no soc is found cpufreq: exynos: Add cpufreq driver for exynos5440 cpufreq: AMD "frequency sensitivity feedback" powersave bias for ondemand governor cpufreq: ondemand: allow custom powersave_bias_target handler to be registered cpufreq: convert cpufreq_driver to using RCU cpufreq: powerpc/platforms/cell: move cpufreq driver to drivers/cpufreq cpufreq: sparc: move cpufreq driver to drivers/cpufreq ... Conflicts: MAINTAINERS (with commit a8e39c3 from pm-cpuidle) drivers/cpufreq/cpufreq_governor.h (with commit beb0ff3)
2013-04-24sparc64: Fix missing put_cpu_var() in tlb_batch_add_one() when not batching.David S. Miller
Reported-by: Meelis Roos <mroos@linux.ee> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-22Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
Conflicts: drivers/net/ethernet/emulex/benet/be_main.c drivers/net/ethernet/intel/igb/igb_main.c drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c include/net/scm.h net/batman-adv/routing.c net/ipv4/tcp_input.c The e{uid,gid} --> {uid,gid} credentials fix conflicted with the cleanup in net-next to now pass cred structs around. The be2net driver had a bug fix in 'net' that overlapped with the VLAN interface changes by Patrick McHardy in net-next. An IGB conflict existed because in 'net' the build_skb() support was reverted, and in 'net-next' there was a comment style fix within that code. Several batman-adv conflicts were resolved by making sure that all calls to batadv_is_my_mac() are changed to have a new bat_priv first argument. Eric Dumazet's TS ECR fix in TCP in 'net' conflicted with the F-RTO rewrite in 'net-next', mostly overlapping changes. Thanks to Stephen Rothwell and Antonio Quartulli for help with several of these merge resolutions. Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-19sparc64: Fix race in TLB batch processing.David S. Miller
As reported by Dave Kleikamp, when we emit cross calls to do batched TLB flush processing we have a race because we do not synchronize on the sibling cpus completing the cross call. So meanwhile the TLB batch can be reset (tb->tlb_nr set to zero, etc.) and either flushes are missed or flushes will flush the wrong addresses. Fix this by using generic infrastructure to synchonize on the completion of the cross call. This first required getting the flush_tlb_pending() call out from switch_to() which operates with locks held and interrupts disabled. The problem is that smp_call_function_many() cannot be invoked with IRQs disabled and this is explicitly checked for with WARN_ON_ONCE(). We get the batch processing outside of locked IRQ disabled sections by using some ideas from the powerpc port. Namely, we only batch inside of arch_{enter,leave}_lazy_mmu_mode() calls. If we're not in such a region, we flush TLBs synchronously. 1) Get rid of xcall_flush_tlb_pending and per-cpu type implementations. 2) Do TLB batch cross calls instead via: smp_call_function_many() tlb_pending_func() __flush_tlb_pending() 3) Batch only in lazy mmu sequences: a) Add 'active' member to struct tlb_batch b) Define __HAVE_ARCH_ENTER_LAZY_MMU_MODE c) Set 'active' in arch_enter_lazy_mmu_mode() d) Run batch and clear 'active' in arch_leave_lazy_mmu_mode() e) Check 'active' in tlb_batch_add_one() and do a synchronous flush if it's clear. 4) Add infrastructure for synchronous TLB page flushes. a) Implement __flush_tlb_page and per-cpu variants, patch as needed. b) Likewise for xcall_flush_tlb_page. c) Implement smp_flush_tlb_page() to invoke the cross-call. d) Wire up global_flush_tlb_page() to the right routine based upon CONFIG_SMP 5) It turns out that singleton batches are very common, 2 out of every 3 batch flushes have only a single entry in them. The batch flush waiting is very expensive, both because of the poll on sibling cpu completeion, as well as because passing the tlb batch pointer to the sibling cpus invokes a shared memory dereference. Therefore, in flush_tlb_pending(), if there is only one entry in the batch perform a completely asynchronous global_flush_tlb_page() instead. Reported-by: Dave Kleikamp <dave.kleikamp@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Dave Kleikamp <dave.kleikamp@oracle.com>
2013-04-17idle: Remove GENERIC_IDLE_LOOP config switchThomas Gleixner
All archs are converted over. Remove the config switch and the fallback code. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2013-04-16Remove GENERIC_GPIO config optionAlexandre Courbot
GENERIC_GPIO has been made equivalent to GPIOLIB in architecture code and all driver code has been switch to depend on GPIOLIB. It is thus safe to have GENERIC_GPIO removed. Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Grant Likely <grant.likely@secretlab.ca>
2013-04-13sparc: Use generic idle loopSam Ravnborg
Add generic cpu_idle support sparc32: - replace call to cpu_idle() with cpu_startup_entry() - add arch_cpu_idle() sparc64: - smp_callin() now include cpu_startup_entry() call so we can skip calling cpu_idle from assembler - add arch_cpu_idle() and arch_cpu_idle_dead() Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com> Cc: torvalds@linux-foundation.org Cc: rusty@rustcorp.com.au Cc: paulmck@linux.vnet.ibm.com Cc: peterz@infradead.org Cc: magnus.damm@gmail.com Acked-by: David Miller <davem@davemloft.net> Link: http://lkml.kernel.org/r/20130411193850.GA2330@merkur.ravnborg.org Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2013-04-10cpufreq: sparc: move cpufreq driver to drivers/cpufreqViresh Kumar
This patch moves cpufreq driver of SPARC architecture to drivers/cpufreq. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-04-09USB: remove USB_EHCI_BIG_ENDIAN_{DESC,MMIO} depends on architecture symbolFlorian Fainelli
Just like the OHCI counter part we just can remove the architecture specific symbols which prevent these configuration symbols from being selected by platforms/architectures requiring it. The original implementation did not scale at all since it required each and every single architecture to be added for these configuration symbols to be selected. Now it is up to the EHCI driver and/or platform to select these configuration symbols accordingly. Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-04-09procfs: new helper - PDE_DATA(inode)Al Viro
The only part of proc_dir_entry the code outside of fs/proc really cares about is PDE(inode)->data. Provide a helper for that; static inline for now, eventually will be moved to fs/proc, along with the knowledge of struct proc_dir_entry layout. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-04-08sparc64: Do not save/restore interrupts in get_new_mmu_context()Kirill Tkhai
get_new_mmu_context() is always called with interrupts disabled. So it's possible to do this micro optimization. (Also fix the comment to switch_mm, which is called in both cases) Signed-off-by: Kirill Tkhai <tkhai@yandex.ru> CC: David Miller <davem@davemloft.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-08arch: Consolidate tsk_is_polling()Thomas Gleixner
Move it to a common place. Preparatory patch for implementing set/clear for the idle need_resched poll implementation. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Paul McKenney <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Reviewed-by: Cc: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Cc: Magnus Damm <magnus.damm@gmail.com> Link: http://lkml.kernel.org/r/20130321215233.446034505@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2013-04-06sparc: Consistently use 'wr' and 'rd' instructions for ASRs.David S. Miller
For consistency, don't use 'mov'. Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-02cpufreq: Don't check if cpu is online/offline for cpufreq callbacksViresh Kumar
cpufreq layer doesn't call cpufreq driver's callback for any offline CPU and so checking that isn't useful. Lets get rid of it. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-04-02cpufreq: Notify all policy->cpus in cpufreq_notify_transition()Viresh Kumar
policy->cpus contains all online cpus that have single shared clock line. And their frequencies are always updated together. Many SMP system's cpufreq drivers take care of this in individual drivers but the best place for this code is in cpufreq core. This patch modifies cpufreq_notify_transition() to notify frequency change for all cpus in policy->cpus and hence updates all users of this API. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Stephen Warren <swarren@nvidia.com> Tested-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-03-31net: add option to enable error queue packets waking selectKeller, Jacob E
Currently, when a socket receives something on the error queue it only wakes up the socket on select if it is in the "read" list, that is the socket has something to read. It is useful also to wake the socket if it is in the error list, which would enable software to wait on error queue packets without waking up for regular data on the socket. The main use case is for receiving timestamped transmit packets which return the timestamp to the socket via the error queue. This enables an application to select on the socket for the error queue only instead of for the regular traffic. -v2- * Added the SO_SELECT_ERR_QUEUE socket option to every architechture specific file * Modified every socket poll function that checks error queue Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Cc: Jeffrey Kirsher <jeffrey.t.kirsher@intel.com> Cc: Richard Cochran <richardcochran@gmail.com> Cc: Matthew Vick <matthew.vick@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-31sparc: use asm-generic version of types.hSam Ravnborg
In sparc headers we use the following pattern: #if defined(__sparc__) && defined(__arch64__) sparc64 specific stuff #else sparc32 specific stuff #endif In types.h this pattern was not followed and here we only checked for __sparc__ for no good reason. It was a left-over from long time ago. I checked other architectures - and most of them do not have any such checks. And all the recently merged versions uses the asm-generic version. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-31sparc: use generic headersSam Ravnborg
Use "generic-y" to add generic headers where possible Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-31sparc:cleanup unused code in smp_32.hKefeng Wang
After genirq and generic clockevent support at sparc32, smp4m_irq_rotate(), prof_multiplier() and prof_counter() are no longer used and should be removed. Find more info from commit 6baa9b20 & 62f08283. Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-31sparc/iommu: fix typo s/265KB/256KB/Akinobu Mita
IOMMU_NPTES is 64K PTEs, so the size is 256KB (= 64K * sizeof(iopte_t)) Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: sparclinux@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-31sparc/srmmu: clear trailing edge of bitmap properlyAkinobu Mita
srmmu_nocache_bitmap is cleared by bit_map_init(). But bit_map_init() attempts to clear by memset(), so it can't clear the trailing edge of bitmap properly on big-endian architecture if the number of bits is not a multiple of BITS_PER_LONG. Actually, the number of bits in srmmu_nocache_bitmap is not always a multiple of BITS_PER_LONG. It is calculated as below: bitmap_bits = srmmu_nocache_size >> SRMMU_NOCACHE_BITMAP_SHIFT; srmmu_nocache_size is decided proportionally by the amount of system RAM and it is rounded to a multiple of PAGE_SIZE. SRMMU_NOCACHE_BITMAP_SHIFT is defined as (PAGE_SHIFT - 4). So it can only be said that bitmap_bits is a multiple of 16. This fixes the problem by using bitmap_clear() instead of memset() in bit_map_init() and this also uses BITS_TO_LONGS() to calculate correct size at bitmap allocation time. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: sparclinux@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-31sparc:remove unused declaration smp_boot_cpus()Kefeng Wang
smp_boot_cpus() was replaced smp_prepare_cpus() long ago, and it no longer needed, so delete it. Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-21filter: bpf_jit_comp: refactor and unify BPF JIT image dump outputDaniel Borkmann
If bpf_jit_enable > 1, then we dump the emitted JIT compiled image after creation. Currently, only SPARC and PowerPC has similar output as in the reference implementation on x86_64. Make a small helper function in order to reduce duplicated code and make the dump output uniform across architectures x86_64, SPARC, PPC, ARM (e.g. on ARM flen, pass and proglen are currently not shown, but would be interesting to know as well), also for future BPF JIT implementations on other archs. Cc: Mircea Gherzan <mgherzan@gmail.com> Cc: Matt Evans <matt@ozlabs.org> Cc: Eric Dumazet <eric.dumazet@google.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-20sparc64: Kill __ARCH_WANT_UNLOCKED_CTXSWDavid S. Miller
As Peter Z. explained at: https://lkml.org/lkml/2011/12/12/268 it's not needed at all and I even tested it back then. This patch just got lost in the shuffle for some reason. Reported-by: Kirill Tkhai <tkhai@yandex.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-20sparc64: Provide cmpxchg64()Geert Uytterhoeven
sparc64 allmodconfig: drivers/block/blockconsole.c: In function ‘bcon_advance_console_bytes’: drivers/block/blockconsole.c:164: error: implicit declaration of function ‘cmpxchg64’ Map cmpxchg64() to cmpxchg64_local() (which eventually calls __cmpxchg_u64()) to fix this. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-20sparc64: Do not change num_physpages during initmem freeingTkhai Kirill
Common hibernation code looks at num_physpages during suspend and restore. Restore is able to be called from initcall, which is before initmem freeing. This case leads to restore fail. Signed-off-by: Kirill Tkhai <tkhai@yandex.ru> CC: David Miller <davem@davemloft.net> CC: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-20sparc64: Hibernation supportTkhai Kirill
This patch adds CONFIG_HIBERNATION support for sparc64 architecture. The suspend function is the same as on another platforms. The restore function uses Bypass feature of MMU which allows to make the process more comfortable and plesant. Signed-off-by: Kirill Tkhai <tkhai@yandex.ru> CC: David Miller <davem@davemloft.net> CC: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-20sparc,leon: updated GRPCI2 config nameDaniel Hellstrom
Signed-off-by: Daniel Hellstrom <daniel@gaisler.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-20sparc,leon: support for GRPCI1 PCI host bridge controllerDaniel Hellstrom
Some of the GRPCI1 cores does not support detection of all PCI errors, the default is therefore limited PCI error handling. The property all_pci_errors my be set by the boot loader to enable interrupt on all PCI errors. Signed-off-by: Daniel Hellstrom <daniel@gaisler.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-20sparc32,leon: add support for PCI busn resource for GRPCI2Daniel Hellstrom
Signed-off-by: Daniel Hellstrom <daniel@gaisler.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-19Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparcLinus Torvalds
Pull sparc fixes from David Miller: "Just some minor fixups, a sunsu console setup panic cure, and recognition of a Fujitsu sun4v cpu." * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc: sparc: remove unused "config BITS" sparc: delete "if !ULTRA_HAS_POPULATION_COUNT" sparc64: correctly recognize SPARC64-X chips sparc,leon: fix GRPCI2 device0 PCI config space access sunsu: Fix panic in case of nonexistent port at "console=ttySY" cmdline option
2013-03-19sparc: remove unused "config BITS"Paul Bolle
sparc's asm/module.h got removed in commit 786d35d45cc40b2a51a18f73e14e135d47fdced7 ("Make most arch asm/module.h files use asm-generic/module.h"). That removed the only two uses of this Kconfig symbol. So we can remove its entry too. > >From arch/sparc/Makefile: > ifeq ($(CONFIG_SPARC32),y) > [...] > > [...] > export BITS := 32 > [...] > > else > [...] > > [...] > export BITS := 64 > [...] > > So $(BITS) is set depending on whether CONFIG_SPARC32 is set or not. > Using $(BITS) in sparc's Makefiles is not using CONFIG_BITS. That > doesn't count as usage of "config BITS". Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-19sparc: delete "if !ULTRA_HAS_POPULATION_COUNT"Paul Bolle
Commit 2d78d4beb64eb07d50665432867971c481192ebf ("[PATCH] bitops: sparc64: use generic bitops") made the default of GENERIC_HWEIGHT depend on !ULTRA_HAS_POPULATION_COUNT. But since there's no Kconfig symbol with that name, this always evaluates to true. Delete this dependency. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-11sparc64: correctly recognize SPARC64-X chipsAllen Pais
The following patch adds support for correctly recognizing SPARC-X chips. cpu : Unknown SUN4V CPU fpu : Unknown SUN4V FPU pmu : Unknown SUN4V PMU Signed-off-by: Katayama Yoshihiro <kata1@jp.fujitsu.com> Signed-off-by: Allen Pais <allen.pais@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-05get rid of union semop in sys_semctl(2) argumentsAl Viro
just have the bugger take unsigned long and deal with SETVAL case (when we use an int member in the union) explicitly. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-03-04make do_mremap() staticAl Viro
The extern in sys_sparc_64.c was a rudiment of time when do_mremap() used to exist in MMU case (it doesn't anymore). As for !MMU one, nothing uses it outside of mm/nommu.c... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-03-03sparc: no need to sign-extend in sync_file_range() wrapperAl Viro
the first argument will be sign-extended by sys_sync_file_range() SYSCALL_DEFINE-generate wrapper; the last argument is unsigned int, so the same wrapper will will truncate it anyway. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-03-03merge compat sys_ipc instancesAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-03-03consolidate compat lookup_dcookie()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-03-03convert vmsplice to COMPAT_SYSCALL_DEFINEAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-03-03switch getrusage() to COMPAT_SYSCALL_DEFINEAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-03-03convert sendfile{,64} to COMPAT_SYSCALL_DEFINEAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-03-03make HAVE_SYSCALL_WRAPPERS unconditionalAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-03-03consolidate cond_syscall and SYSCALL_ALIAS declarationsAl Viro
take them to asm/linkage.h, with default in linux/linkage.h Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-03-02sparc,leon: fix GRPCI2 device0 PCI config space accessDaniel Hellstrom
bus=0 slot=0 (device0) was used internally by the PCI host driver to access the PCI host controller itself, however that had the effect that PCI device0 was never accessible, which is wrong when the motherboard has connected PCI AD16 signal to a slot. A special case for accessing the PCI host controller itself is added with this patch, by setting bus to TGT. Signed-off-by: Daniel Hellstrom <daniel@gaisler.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-03-02Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal Pull signal/compat fixes from Al Viro: "Fixes for several regressions introduced in the last signal.git pile, along with fixing bugs in truncate and ftruncate compat (on just about anything biarch at least one of those two had been done wrong)." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal: compat: restore timerfd settime and gettime compat syscalls [regression] braino in "sparc: convert to ksignal" fix compat truncate/ftruncate switch lseek to COMPAT_SYSCALL_DEFINE lseek() and truncate() on sparc really need sign extension
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