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| * sparc: fix sparse warnings in of_device_common.cSam Ravnborg2014-04-29
| | | | | | | | | | | | | | | | | | | | | | | | Fix following warnings (both sparc32 and sparc64): of_device_common.c:13:14: warning: symbol 'irq_of_parse_and_map' was not declared. Should it be static? of_device_common.c:24:5: warning: symbol 'of_address_to_resource' was not declared. Should it be static? of_device_common.c:37:14: warning: symbol 'of_iomap' was not declared. Should it be static? Add missing includes. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sparc32: fix sparse warnings in unaligned_32.cSam Ravnborg2014-04-29
| | | | | | | | | | | | | | | | | | | | | | | | Fix following warnings: unaligned_32.c:146:15: warning: symbol 'safe_compute_effective_address' was not declared. Should it be static? unaligned_32.c:235:17: warning: symbol 'kernel_unaligned_trap' was not declared. Should it be static? unaligned_32.c:319:17: warning: symbol 'user_unaligned_trap' was not declared. Should it be static? Add proper declarations in kernel.h + setup.h Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sparc32: fix sparse warning in ptrace_32.cSam Ravnborg2014-04-29
| | | | | | | | | | | | | | | | | | | | Fix following warning: ptrace_32.c:444:16: warning: symbol 'syscall_trace' was not declared. Should it be static? Add declaration in kernel.h Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sparc32: fix sparse warnings in smp_32.cSam Ravnborg2014-04-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix following warnings: smp_32.c:300:6: warning: symbol 'arch_cpu_pre_starting' was not declared. Should it be static? smp_32.c:320:6: warning: symbol 'arch_cpu_pre_online' was not declared. Should it be static? smp_32.c:347:6: warning: symbol 'sparc_start_secondary' was not declared. Should it be static? Add missing static definition. This left one warning: warning: symbol 'setup_profiling_timer' was not declared. This is a global symbol that has no declaration in any global header. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sparc32: fix sparse warnings in auxio_32.cSam Ravnborg2014-04-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix following warnings: auxio_32.c:23:14: warning: symbol 'auxio_register' was not declared. Should it be static? auxio_32.c:26:13: warning: symbol 'auxio_probe' was not declared. Should it be static? auxio_32.c:108:13: warning: symbol 'auxio_power_probe' was not declared. Should it be static? Add proper decalarations for the above. The leaves one sparse warning: auxio_32.c:130:33: warning: cast removes address space of expression This is here: auxio_power_register = (unsigned char *) of_ioremap() This is __iomem that is removed from return value of of_ioremap() The pointer is later used without any helpers in process_32.c: *auxio_power_register |= AUXIO_POWER_OFF; It would be simple to introduce a few sbus() helpers. But as I was not sure this was correct the warning are left as-is. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sparc32: fix sparse warnings in leon_pci_grpci2.cSam Ravnborg2014-04-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix following warnings: leon_pci_grpci2.c:218:1: warning: symbol 'grpci2_dev_lock' was not declared. Should it be static? leon_pci_grpci2.c:219:20: warning: symbol 'grpci2priv' was not declared. Should it be static? leon_pci_grpci2.c:221:5: warning: symbol 'grpci2_map_irq' was not declared. Should it be static? leon_pci_grpci2.c:564:6: warning: symbol 'grpci2_hw_init' was not declared. Should it be static? + a lot of these: leon_pci_grpci2.c:252:9: warning: incorrect type in argument 1 (different address spaces) Declare the symbols static as they are only used in this file. Added missing __iomem annotations. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Daniel Hellstrom <daniel@gaisler.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sparc32: fix sparse warnings in leon_pci_grpci1.cSam Ravnborg2014-04-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix following warnings: leon_pci_grpci1.c:104:5: warning: symbol 'grpci1_map_irq' was not declared. Should it be static? leon_pci_grpci1.c:420:6: warning: symbol 'grpci1_hw_init' was not declared. Should it be static? + a lot of these: leon_pci_grpci1.c:693:18: warning: incorrect type in argument 1 (different address spaces) Added missing static to definitions. Added __iomem annotations Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Daniel Hellstrom <daniel@gaisler.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sparc32: fix sparse warnings in tadpole.cSam Ravnborg2014-04-29
| | | | | | | | | | | | | | | | | | | | | | | | Fix following warnings: tadpole.c:21:6: warning: symbol 'cpu_pwr_save' was not declared. Should it be static? tadpole.c:101:13: warning: symbol 'clock_stop_probe' was not declared. Should it be static? This actually revealed that cpu_pwr_save is only assigned. It was left static with a TODO comment for now - this should be cleaned up later. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sparc32: fix sparse warning in devices.cSam Ravnborg2014-04-29
| | | | | | | | | | | | | | | | | | | | Fix following warning: devices.c:114:13: warning: symbol 'device_scan' was not declared. Should it be static? Add prototype to asm/setup.h Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sparc: fix sparse warnings in cpu.cSam Ravnborg2014-04-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix following sparc32 warning: cpu.c:430:29: warning: symbol 'cpuinfo_op' was not declared. Should it be static? Fix following sparc64 warnings: cpu.c:364:14: warning: symbol 'dcache_parity_tl1_occurred' was not declared. Should it be static? cpu.c:365:14: warning: symbol 'icache_parity_tl1_occurred' was not declared. Should it be static? Rearrange asm/cpu.h to share more stuff between sparc32 and sparc64. Added missing include to cpu.c of kernel.h Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sparc32: fix sparse warnings in windows.cSam Ravnborg2014-04-29
| | | | | | | | | | | | | | | | | | | | | | Fix following warnings: windows.c:16:6: warning: symbol 'flush_user_windows' was not declared. Should it be static? windows.c:109:6: warning: symbol 'try_to_clear_window_buffer' was not declared. Should it be static? Add missing include of cacheflush.h + add declaration of try_to_clear_window_buffer in kernel.h Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sparc32: fix sparse warnings in setup_32.cSam Ravnborg2014-04-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix following warnings: setup_32.c:106:15: warning: symbol 'cmdline_memory_size' was not declared. Should it be static? setup_32.c:270:16: warning: symbol 'fake_swapper_regs' was not declared. Should it be static? setup_32.c:368:55: warning: Using plain integer as NULL pointer Add missing declaration of cmdline_memory_size and remove the local one in init_32.c fake_swapper_regs was only used locally - so defined static. When replacing 0 with NULL also add a few spaces around operators Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sparc32: fix sparse warnings in ioport.cSam Ravnborg2014-04-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix following warnings: ioport.c:189:38: warning: Using plain integer as NULL pointer ioport.c:78:25: warning: symbol 'sparc_iomap' was not declared. Should it be static? ioport.c:403:20: warning: symbol 'sbus_dma_ops' was not declared. Should it be static? ioport.c:684:39: warning: Using plain integer as NULL pointer Add one missing prototype, and use NULL. sbus_dma_ops declared static. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sparc32: fix sparse warnings in signal_32.cSam Ravnborg2014-04-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix following warnings: signal_32.c:62:17: warning: symbol 'do_sigreturn' was not declared. Should it be static? signal_32.c:126:17: warning: symbol 'do_rt_sigreturn' was not declared. Should it be static? signal_32.c:344:39: warning: incorrect type in initializer (different address spaces) signal_32.c:344:39: expected struct __siginfo_fpu_t [usertype] *fp signal_32.c:344:39: got void [noderef] <asn:1>*[assigned] tail signal_32.c:346:45: warning: incorrect type in argument 2 (different address spaces) signal_32.c:346:45: expected struct __siginfo_fpu_t [noderef] [usertype] <asn:1>*fpu signal_32.c:346:45: got struct __siginfo_fpu_t [usertype] *fp signal_32.c:352:41: warning: incorrect type in initializer (different address spaces) signal_32.c:352:41: expected struct __siginfo_rwin_t [usertype] *rwp signal_32.c:352:41: got void [noderef] <asn:1>*[assigned] tail signal_32.c:354:48: warning: incorrect type in argument 2 (different address spaces) signal_32.c:354:48: expected struct __siginfo_rwin_t [noderef] [usertype] <asn:1>*rwin signal_32.c:354:48: got struct __siginfo_rwin_t [usertype] *rwp signal_32.c:509:6: warning: symbol 'do_notify_resume' was not declared. Should it be static? signal_32.c:520:16: warning: symbol 'do_sys_sigstack' was not declared. Should it be static? Add missing prototypes and annotate two variables with __user. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sparc32: fix sparse warnings in process_32.hSam Ravnborg2014-04-29
| | | | | | | | | | | | | | | | | | | | | | | | Fix following warnings: process_32.c:67:6: warning: symbol 'arch_cpu_idle' was not declared. Should it be static? process_32.c:257:16: warning: symbol 'sparc_do_fork' was not declared. Should it be static? process_32.c:411:5: warning: symbol 'dump_fpu' was not declared. Should it be static? Add missing includes and add one missing prototype. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sparc32: fix sparse warnings in irq_32.cSam Ravnborg2014-04-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix following warnings: irq_32.c:239:5: warning: symbol 'sparc_floppy_request_irq' was not declared. Should it be static? irq_32.c:294:24: warning: symbol 'fdc_status' was not declared. Should it be static? irq_32.c:297:6: warning: symbol 'pdma_vaddr' was not declared. Should it be static? irq_32.c:300:15: warning: symbol 'pdma_size' was not declared. Should it be static? irq_32.c:303:14: warning: symbol 'doing_pdma' was not declared. Should it be static? irq_32.c:306:6: warning: symbol 'pdma_base' was not declared. Should it be static? irq_32.c:309:15: warning: symbol 'pdma_areasize' was not declared. Should it be static? irq_32.c:317:6: warning: symbol 'sparc_floppy_irq' was not declared. Should it be static? The floppy parts were all added to iasm/setup.h - no other header files looked obvious. floppy_32.h was not an option as this file can only be included once from the floppy driver. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sparc32: fix sparse warnings in sun4d_irq.cSam Ravnborg2014-04-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix following warnings: sun4d_irq.c:146:6: warning: symbol 'sun4d_handler_irq' was not declared. Should it be static? sun4d_irq.c:239:17: warning: symbol 'sun4d_irq' was not declared. Should it be static? sun4d_irq.c:288:14: warning: symbol '_sun4d_build_device_irq' was not declared. Should it be static? sun4d_irq.c:323:14: warning: symbol 'sun4d_build_device_irq' was not declared. Should it be static? sun4d_irq.c:386:14: warning: symbol 'sun4d_build_timer_irq' was not declared. Should it be static? sun4d_irq.c:482:13: warning: symbol 'sun4d_init_sbi_irq' was not declared. Should it be static? Apply static when applicable, otherwise add prototype Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sparc32: fix sparse warnings in sun4m_irq.c and sun4d_irq.cSam Ravnborg2014-04-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix following warnings: sun4m_irq.c:308:6: warning: symbol 'sun4m_nmi' was not declared. Should it be static? sun4m_irq.c:396:28: warning: incorrect type in assignment (different address spaces) sun4m_irq.c:396:28: expected unsigned int volatile *extern [addressable] [toplevel] master_l10_counter sun4d_irq.c:469:28: warning: incorrect type in assignment (different address spaces) sun4d_irq.c:469:28: expected unsigned int volatile *extern [addressable] [toplevel] master_l10_counter master_l10_counter is a pointer to __iomem - add annotations. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sparc32: fix sparse warning in traps_32.cSam Ravnborg2014-04-29
| | | | | | | | | | | | | | | | | | | | Fix following warning: traps_32.c:47:6: error: symbol 'die_if_kernel' redeclared with different type - different modifiers Add __noreturn to both definition and declaration Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sparc32: fix sparse "Should it be static?" in mm/Sam Ravnborg2014-04-29
| | | | | | | | | | | | | | | | | | | | | | | | Fix following warnings: srmmu.c:870:13: warning: symbol 'srmmu_paging_init' was not declared. Should it be static? iommu.c:430:13: warning: symbol 'ld_mmu_iommu' was not declared. Should it be static? leon_mm.c:21:5: warning: symbol 'srmmu_swprobe_trace' was not declared. Should it be static? Add proper prototypes or define static to fix them. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sparc32: fix sparse warnings in srmmu.cSam Ravnborg2014-04-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix following warnings: srmmu.c:78:5: warning: symbol 'flush_page_for_dma_global' was not declared. Should it be static? srmmu.c:85:5: warning: symbol 'viking_mxcc_present' was not declared. Should it be static? srmmu.c:103:6: warning: symbol 'srmmu_nocache_bitmap' was not declared. Should it be static? srmmu.c:176:24: warning: Using plain integer as NULL pointer srmmu.c:731:46: warning: Using plain integer as NULL pointer srmmu.c:731:46: warning: Using plain integer as NULL pointer srmmu.c:731:46: warning: Using plain integer as NULL pointer srmmu.c:870:13: warning: symbol 'srmmu_paging_init' was not declared. Should it be static? Add proper prototypes in mm_32.h and drop local prototype in init_32.c Replace 0 with NULL Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sparc32: fix sparse warning in init_32.cSam Ravnborg2014-04-29
| | | | | | | | | | | | | | | | | | | | | | Fix following warning: init_32.c:112:22: warning: symbol 'bootmem_init' was not declared. Should it be static? Fix by adding a proper prototype in pgtable_32.h and drop the local prototype in srmmu.c Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sparc32: fix sparse warning in fault_32.cSam Ravnborg2014-04-29
| | | | | | | | | | | | | | | | | | | | Fix following warning: fault_32.c:38:24: error: symbol 'unhandled_fault' redeclared with different type - different modifiers When this warning was fixed several new warnings popped up - fix them too. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * sparc32: rename mm/srmmu.h to mm/mm_32.hSam Ravnborg2014-04-29
| | | | | | | | | | | | | | This file will be used for more than just srmmu stuff, so the old name was misleading. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-nextLinus Torvalds2014-06-12
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull networking updates from David Miller: 1) Seccomp BPF filters can now be JIT'd, from Alexei Starovoitov. 2) Multiqueue support in xen-netback and xen-netfront, from Andrew J Benniston. 3) Allow tweaking of aggregation settings in cdc_ncm driver, from Bjørn Mork. 4) BPF now has a "random" opcode, from Chema Gonzalez. 5) Add more BPF documentation and improve test framework, from Daniel Borkmann. 6) Support TCP fastopen over ipv6, from Daniel Lee. 7) Add software TSO helper functions and use them to support software TSO in mvneta and mv643xx_eth drivers. From Ezequiel Garcia. 8) Support software TSO in fec driver too, from Nimrod Andy. 9) Add Broadcom SYSTEMPORT driver, from Florian Fainelli. 10) Handle broadcasts more gracefully over macvlan when there are large numbers of interfaces configured, from Herbert Xu. 11) Allow more control over fwmark used for non-socket based responses, from Lorenzo Colitti. 12) Do TCP congestion window limiting based upon measurements, from Neal Cardwell. 13) Support busy polling in SCTP, from Neal Horman. 14) Allow RSS key to be configured via ethtool, from Venkata Duvvuru. 15) Bridge promisc mode handling improvements from Vlad Yasevich. 16) Don't use inetpeer entries to implement ID generation any more, it performs poorly, from Eric Dumazet. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1522 commits) rtnetlink: fix userspace API breakage for iproute2 < v3.9.0 tcp: fixing TLP's FIN recovery net: fec: Add software TSO support net: fec: Add Scatter/gather support net: fec: Increase buffer descriptor entry number net: fec: Factorize feature setting net: fec: Enable IP header hardware checksum net: fec: Factorize the .xmit transmit function bridge: fix compile error when compiling without IPv6 support bridge: fix smatch warning / potential null pointer dereference via-rhine: fix full-duplex with autoneg disable bnx2x: Enlarge the dorq threshold for VFs bnx2x: Check for UNDI in uncommon branch bnx2x: Fix 1G-baseT link bnx2x: Fix link for KR with swapped polarity lane sctp: Fix sk_ack_backlog wrap-around problem net/core: Add VF link state control policy net/fsl: xgmac_mdio is dependent on OF_MDIO net/fsl: Make xgmac_mdio read error message useful net_sched: drr: warn when qdisc is not work conserving ...
| * \ Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2014-06-11
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: net/core/rtnetlink.c net/core/skbuff.c Both conflicts were very simple overlapping changes. Signed-off-by: David S. Miller <davem@davemloft.net>
| | * | net: filter: fix sparc32 typoAlexei Starovoitov2014-06-06
| | | | | | | | | | | | | | | | | | | | | | | | Fixes: 569810d1e327 ("net: filter: fix typo in sparc BPF JIT") Signed-off-by: Alexei Starovoitov <ast@plumgrid.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| | * | net: filter: fix typo in sparc BPF JITAlexei Starovoitov2014-06-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | fix typo in sparc codegen for SKF_AD_IFINDEX and SKF_AD_HATYPE classic BPF extensions Fixes: 2809a2087cc4 ("net: filter: Just In Time compiler for sparc") Signed-off-by: Alexei Starovoitov <ast@plumgrid.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | net: filter: get rid of BPF_S_* enumDaniel Borkmann2014-06-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch finally allows us to get rid of the BPF_S_* enum. Currently, the code performs unnecessary encode and decode workarounds in seccomp and filter migration itself when a filter is being attached in order to overcome BPF_S_* encoding which is not used anymore by the new interpreter resp. JIT compilers. Keeping it around would mean that also in future we would need to extend and maintain this enum and related encoders/decoders. We can get rid of all that and save us these operations during filter attaching. Naturally, also JIT compilers need to be updated by this. Before JIT conversion is being done, each compiler checks if A is being loaded at startup to obtain information if it needs to emit instructions to clear A first. Since BPF extensions are a subset of BPF_LD | BPF_{W,H,B} | BPF_ABS variants, case statements for extensions can be removed at that point. To ease and minimalize code changes in the classic JITs, we have introduced bpf_anc_helper(). Tested with test_bpf on x86_64 (JIT, int), s390x (JIT, int), arm (JIT, int), i368 (int), ppc64 (JIT, int); for sparc we unfortunately didn't have access, but changes are analogous to the rest. Joint work with Alexei Starovoitov. Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: Alexei Starovoitov <ast@plumgrid.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Mircea Gherzan <mgherzan@gmail.com> Cc: Kees Cook <keescook@chromium.org> Acked-by: Chema Gonzalez <chemag@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2014-05-24
| |\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: drivers/net/bonding/bond_alb.c drivers/net/ethernet/altera/altera_msgdma.c drivers/net/ethernet/altera/altera_sgdma.c net/ipv6/xfrm6_output.c Several cases of overlapping changes. The xfrm6_output.c has a bug fix which overlaps the renaming of skb->local_df to skb->ignore_df. In the Altera TSE driver cases, the register access cleanups in net-next overlapped with bug fixes done in net. Similarly a bug fix to send ALB packets in the bonding driver using the right source address overlaps with cleanups in net-next. Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | sparc: csum_add for SparcTom Herbert2014-05-05
| | |/ | |/| | | | | | | | | | | | | | | | versions. Signed-off-by: Tom Herbert <therbert@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | sys_sgetmask/sys_ssetmask: add CONFIG_SGETMASK_SYSCALLFabian Frederick2014-06-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | sys_sgetmask and sys_ssetmask are obsolete system calls no longer supported in libc. This patch replaces architecture related __ARCH_WANT_SYS_SGETMAX by expert mode configuration.That option is enabled by default for those architectures. Signed-off-by: Fabian Frederick <fabf@skynet.be> Cc: Steven Miao <realmz6@gmail.com> Cc: Mikael Starvik <starvik@axis.com> Cc: Jesper Nilsson <jesper.nilsson@axis.com> Cc: David Howells <dhowells@redhat.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Michal Simek <monstr@monstr.eu> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com> Cc: "James E.J. Bottomley" <jejb@parisc-linux.org> Cc: Helge Deller <deller@gmx.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Greg Ungerer <gerg@uclinux.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | hugetlb: restrict hugepage_migration_support() to x86_64Naoya Horiguchi2014-06-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently hugepage migration is available for all archs which support pmd-level hugepage, but testing is done only for x86_64 and there're bugs for other archs. So to avoid breaking such archs, this patch limits the availability strictly to x86_64 until developers of other archs get interested in enabling this feature. Simply disabling hugepage migration on non-x86_64 archs is not enough to fix the reported problem where sys_move_pages() hits the BUG_ON() in follow_page(FOLL_GET), so let's fix this by checking if hugepage migration is supported in vma_migratable(). Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Reported-by: Michael Ellerman <mpe@ellerman.id.au> Tested-by: Michael Ellerman <mpe@ellerman.id.au> Acked-by: Hugh Dickins <hughd@google.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Tony Luck <tony.luck@intel.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: James Hogan <james.hogan@imgtec.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: David Miller <davem@davemloft.net> Cc: <stable@vger.kernel.org> [3.12+] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | Merge branch 'locking-core-for-linus' of ↵Linus Torvalds2014-06-03
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next Pull core locking updates from Ingo Molnar: "The main changes in this cycle were: - reduced/streamlined smp_mb__*() interface that allows more usecases and makes the existing ones less buggy, especially in rarer architectures - add rwsem implementation comments - bump up lockdep limits" * 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (33 commits) rwsem: Add comments to explain the meaning of the rwsem's count field lockdep: Increase static allocations arch: Mass conversion of smp_mb__*() arch,doc: Convert smp_mb__*() arch,xtensa: Convert smp_mb__*() arch,x86: Convert smp_mb__*() arch,tile: Convert smp_mb__*() arch,sparc: Convert smp_mb__*() arch,sh: Convert smp_mb__*() arch,score: Convert smp_mb__*() arch,s390: Convert smp_mb__*() arch,powerpc: Convert smp_mb__*() arch,parisc: Convert smp_mb__*() arch,openrisc: Convert smp_mb__*() arch,mn10300: Convert smp_mb__*() arch,mips: Convert smp_mb__*() arch,metag: Convert smp_mb__*() arch,m68k: Convert smp_mb__*() arch,m32r: Convert smp_mb__*() arch,ia64: Convert smp_mb__*() ...
| * | | arch,sparc: Convert smp_mb__*()Peter Zijlstra2014-04-18
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | sparc32: fully relies on asm-generic/barrier.h and thus can use its implementation. sparc64: is strongly ordered and its atomic ops imply a full barrier, implement the new primitives using barrier(). Signed-off-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: David S. Miller <davem@davemloft.net> Link: http://lkml.kernel.org/n/tip-2cla9ubpd8chrntnm7e4zdt4@git.kernel.org Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Will Deacon <will.deacon@arm.com> Cc: linux-kernel@vger.kernel.org Cc: sparclinux@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
* | | Merge tag 'pci-v3.16-changes' of ↵Linus Torvalds2014-06-02
|\ \ \ | |_|/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci into next Pull PCI changes from Bjorn Helgaas: "Enumeration - Notify driver before and after device reset (Keith Busch) - Use reset notification in NVMe (Keith Busch) NUMA - Warn if we have to guess host bridge node information (Myron Stowe) - Work around AMD Fam15h BIOSes that fail to provide _PXM (Suravee Suthikulpanit) - Clean up and mark early_root_info_init() as deprecated (Suravee Suthikulpanit) Driver binding - Add "driver_override" for force specific binding (Alex Williamson) - Fail "new_id" addition for devices we already know about (Bandan Das) Resource management - Support BAR sizes up to 8GB (Nikhil Rao, Alan Cox) - Don't move IORESOURCE_PCI_FIXED resources (Bjorn Helgaas) - Mark SBx00 HPET BAR as IORESOURCE_PCI_FIXED (Bjorn Helgaas) - Fail safely if we can't handle BARs larger than 4GB (Bjorn Helgaas) - Reject BAR above 4GB if dma_addr_t is too small (Bjorn Helgaas) - Don't convert BAR address to resource if dma_addr_t is too small (Bjorn Helgaas) - Don't set BAR to zero if dma_addr_t is too small (Bjorn Helgaas) - Don't print anything while decoding is disabled (Bjorn Helgaas) - Don't add disabled subtractive decode bus resources (Bjorn Helgaas) - Add resource allocation comments (Bjorn Helgaas) - Restrict 64-bit prefetchable bridge windows to 64-bit resources (Yinghai Lu) - Assign i82875p_edac PCI resources before adding device (Yinghai Lu) PCI device hotplug - Remove unnecessary "dev->bus" test (Bjorn Helgaas) - Use PCI_EXP_SLTCAP_PSN define (Bjorn Helgaas) - Fix rphahp endianess issues (Laurent Dufour) - Acknowledge spurious "cmd completed" event (Rajat Jain) - Allow hotplug service drivers to operate in polling mode (Rajat Jain) - Fix cpqphp possible NULL dereference (Rickard Strandqvist) MSI - Replace pci_enable_msi_block() by pci_enable_msi_exact() (Alexander Gordeev) - Replace pci_enable_msix() by pci_enable_msix_exact() (Alexander Gordeev) - Simplify populate_msi_sysfs() (Jan Beulich) Virtualization - Add Intel Patsburg (X79) root port ACS quirk (Alex Williamson) - Mark RTL8110SC INTx masking as broken (Alex Williamson) Generic host bridge driver - Add generic PCI host controller driver (Will Deacon) Freescale i.MX6 - Use new clock names (Lucas Stach) - Drop old IRQ mapping (Lucas Stach) - Remove optional (and unused) IRQs (Lucas Stach) - Add support for MSI (Lucas Stach) - Fix imx6_add_pcie_port() section mismatch warning (Sachin Kamat) Renesas R-Car - Add gen2 device tree support (Ben Dooks) - Use new OF interrupt mapping when possible (Lucas Stach) - Add PCIe driver (Phil Edworthy) - Add PCIe MSI support (Phil Edworthy) - Add PCIe device tree bindings (Phil Edworthy) Samsung Exynos - Remove unnecessary OOM messages (Jingoo Han) - Fix add_pcie_port() section mismatch warning (Sachin Kamat) Synopsys DesignWare - Make MSI ISR shared IRQ aware (Lucas Stach) Miscellaneous - Check for broken config space aliasing (Alex Williamson) - Update email address (Ben Hutchings) - Fix Broadcom CNB20LE unintended sign extension (Bjorn Helgaas) - Fix incorrect vgaarb conditional in WARN_ON() (Bjorn Helgaas) - Remove unnecessary __ref annotations (Bjorn Helgaas) - Add arch/x86/kernel/quirks.c to MAINTAINERS PCI file patterns (Bjorn Helgaas) - Fix use of uninitialized MPS value (Bjorn Helgaas) - Tidy x86/gart messages (Bjorn Helgaas) - Fix return value from pci_user_{read,write}_config_*() (Gavin Shan) - Turn pcibios_penalize_isa_irq() into a weak function (Hanjun Guo) - Remove unused serial device IDs (Jean Delvare) - Use designated initialization in PCI_VDEVICE (Mark Rustad) - Fix powerpc NULL dereference in pci_root_buses traversal (Mike Qiu) - Configure MPS on ARM (Murali Karicheri) - Remove unnecessary includes of <linux/init.h> (Paul Gortmaker) - Move Open Firmware devspec attribute to PCI common code (Sebastian Ott) - Use pdev->dev.groups for attribute creation on s390 (Sebastian Ott) - Remove pcibios_add_platform_entries() (Sebastian Ott) - Add new ID for Intel GPU "spurious interrupt" quirk (Thomas Jarosch) - Rename pci_is_bridge() to pci_has_subordinate() (Yijing Wang) - Add and use new pci_is_bridge() interface (Yijing Wang) - Make pci_bus_add_device() void (Yijing Wang) DMA API - Clarify physical/bus address distinction in docs (Bjorn Helgaas) - Fix typos in docs (Emilio López) - Update dma_pool_create ()and dma_pool_alloc() descriptions (Gioh Kim) - Change dma_declare_coherent_memory() CPU address to phys_addr_t (Bjorn Helgaas) - Pass GAPSPCI_DMA_BASE CPU & bus address to dma_declare_coherent_memory() (Bjorn Helgaas)" * tag 'pci-v3.16-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (92 commits) MAINTAINERS: Add generic PCI host controller driver PCI: generic: Add generic PCI host controller driver PCI: imx6: Add support for MSI PCI: designware: Make MSI ISR shared IRQ aware PCI: imx6: Remove optional (and unused) IRQs PCI: imx6: Drop old IRQ mapping PCI: imx6: Use new clock names i82875p_edac: Assign PCI resources before adding device ARM/PCI: Call pcie_bus_configure_settings() to set MPS PCI: imx6: Fix imx6_add_pcie_port() section mismatch warning PCI: Make pci_bus_add_device() void PCI: exynos: Fix add_pcie_port() section mismatch warning PCI: Introduce new device binding path using pci_dev.driver_override PCI: rcar: Add gen2 device tree support PCI: cpqphp: Fix possible null pointer dereference PCI: rcar: Add R-Car PCIe device tree bindings PCI: rcar: Add MSI support for PCIe PCI: rcar: Add Renesas R-Car PCIe driver PCI: Fix return value from pci_user_{read,write}_config_*() PCI: exynos: Remove unnecessary OOM messages ...
| * | Merge branch 'pci/misc' into nextBjorn Helgaas2014-05-28
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | * pci/misc: PCI: Fix return value from pci_user_{read,write}_config_*() PCI: Turn pcibios_penalize_isa_irq() into a weak function PCI: Test for std config alias when testing extended config space
| | * | PCI: Turn pcibios_penalize_isa_irq() into a weak functionHanjun Guo2014-05-27
| | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | pcibios_penalize_isa_irq() is only implemented by x86 now, and legacy ISA is not used by some architectures. Make pcibios_penalize_isa_irq() a __weak function to simplify the code. This removes the need for new platforms to add stub implementations of pcibios_penalize_isa_irq(). [bhelgaas: changelog, comments] Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
| * / sparc/PCI: Use pci_is_bridge() to simplify codeYijing Wang2014-05-27
| |/ | | | | | | | | | | | | | | | | Use pci_is_bridge() to simplify code. No functional change. Requires: 326c1cdae741 PCI: Rename pci_is_bridge() to pci_has_subordinate() Requires: 1c86438c9423 PCI: Add new pci_is_bridge() interface Signed-off-by: Yijing Wang <wangyijing@huawei.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: David S. Miller <davem@davemloft.net>
* | sparc64: fix format string mismatch in arch/sparc/kernel/sysfs.cToralf Förster2014-05-21
| | | | | | | | | | | | | | | | found by cppcheck Signed-off-by: Toralf Förster <toralf.foerster@gmx.de> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc64: Add membar to Niagara2 memcpy code.David S. Miller2014-05-17
| | | | | | | | | | | | | | | | | | This is the prevent previous stores from overlapping the block stores done by the memcpy loop. Based upon a glibc patch by Jose E. Marchesi Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc64: Fix huge TSB mapping on pre-UltraSPARC-III cpus.David S. Miller2014-05-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Access to the TSB hash tables during TLB misses requires that there be an atomic 128-bit quad load available so that we fetch a matching TAG and DATA field at the same time. On cpus prior to UltraSPARC-III only virtual address based quad loads are available. UltraSPARC-III and later provide physical address based variants which are easier to use. When we only have virtual address based quad loads available this means that we have to lock the TSB into the TLB at a fixed virtual address on each cpu when it runs that process. We can't just access the PAGE_OFFSET based aliased mapping of these TSBs because we cannot take a recursive TLB miss inside of the TLB miss handler without risking running out of hardware trap levels (some trap combinations can be deep, such as those generated by register window spill and fill traps). Without huge pages it's working perfectly fine, but when the huge TSB got added another chunk of fixed virtual address space was not allocated for this second TSB mapping. So we were mapping both the 8K and 4MB TSBs to the same exact virtual address, causing multiple TLB matches which gives undefined behavior. Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc64: Don't bark so loudly about 32-bit tasks generating 64-bit fault ↵David S. Miller2014-05-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | addresses. This was found using Dave Jone's trinity tool. When a user process which is 32-bit performs a load or a store, the cpu chops off the top 32-bits of the effective address before translating it. This is because we run 32-bit tasks with the PSTATE_AM (address masking) bit set. We can't run the kernel with that bit set, so when the kernel accesses userspace no address masking occurs. Since a 32-bit process will have no mappings in that region we will properly fault, so we don't try to handle this using access_ok(), which can safely just be a NOP on sparc64. Real faults from 32-bit processes should never generate such addresses so a bug check was added long ago, and it barks in the logs if this happens. But it also barks when a kernel user access causes this condition, and that _can_ happen. For example, if a pointer passed into a system call is "0xfffffffc" and the kernel access 4 bytes offset from that pointer. Just handle such faults normally via the exception entries. Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc64: Give more detailed information in {pgd,pmd}_ERROR() and kill ↵David S. Miller2014-05-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | pte_ERROR(). pte_ERROR() is not used anywhere, delete it. For pgd_ERROR() and pmd_ERROR(), output something similar to x86, giving the address of the pgd/pmd as well as it's value. Also provide the caller, since these macros are invoked from pgd_clear_bad() and pmd_clear_bad() which provides little context as to what high level operation was occuring when the BAD state was detected. Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc64: Add basic validations to {pud,pmd}_bad().David S. Miller2014-05-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instead of returning false we should at least check the most basic things, otherwise page table corruptions will be very difficult to debug. PMD and PTE tables are of size PAGE_SIZE, so none of the sub-PAGE_SIZE bits should be set. We also complement this with a check that the physical address the pud/pmd points to is valid memory. PowerPC was used as a guide while implementating this. Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc64: Use 'ILOG2_4MB' instead of constant '22'.David S. Miller2014-05-04
| | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc64: Fix range check in kern_addr_valid().David S. Miller2014-05-04
| | | | | | | | | | | | | | | | | | | | In commit b2d438348024b75a1ee8b66b85d77f569a5dfed8 ("sparc64: Make PAGE_OFFSET variable."), the MAX_PHYS_ADDRESS_BITS value was increased (to 47). This constant reference to '41UL' was missed. Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc64: Fix top-level fault handling bugs.David S. Miller2014-05-04
| | | | | | | | | | | | | | | | | | | | | | Make get_user_insn() able to cope with huge PMDs. Next, make do_fault_siginfo() more robust when get_user_insn() can't actually fetch the instruction. In particular, use the MMU announced fault address when that happens, instead of calling compute_effective_address() and computing garbage. Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc64: Handle 32-bit tasks properly in compute_effective_address().David S. Miller2014-05-04
| | | | | | | | | | | | | | If we have a 32-bit task we must chop off the top 32-bits of the 64-bit value just as the cpu would. Signed-off-by: David S. Miller <davem@davemloft.net>
* | sparc64: Don't use _PAGE_PRESENT in pte_modify() mask.David S. Miller2014-05-04
| | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
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