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079a96ae38
linux/arch/sparc/kernel
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Will Deacon 079a96ae38 ipc: add COMPAT_SHMLBA support 
If the SHMLBA definition for a native task differs from the definition for
a compat task, the do_shmat() function would need to handle both.

This patch introduces COMPAT_SHMLBA, which is used by the compat shmat
syscall when calling the ipc code and allows architectures such as AArch64
(where the native SHMLBA is 64k but the compat (AArch32) definition is
16k) to provide the correct semantics for compat IPC system calls.

Cc: David S. Miller <davem@davemloft.net>
Cc: Chris Zankel <chris@zankel.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-30 17:25:20 -07:00
..
.gitignore sparc: gitignore a few files 2008-12-04 09:17:15 -08:00
apc.c sparc: Add module.h to files previously implicitly using it. 2011-10-31 19:30:54 -04:00
asm-offsets.c sparc,sparc64: unify asm-offsets.c 2008-12-04 09:17:12 -08:00
audit.c sparc,sparc64: unify kernel/ 2008-12-04 09:17:21 -08:00
auxio_32.c sparc32: Remove sun4 and sun4c from enum sparc_cpu. 2012-05-12 00:23:23 -07:00
auxio_64.c sparc64: Fix section mis-match errors. 2011-03-30 17:37:56 -07:00
btext.c sparc: remove several unnecessary module.h include instances 2011-10-31 19:30:54 -04:00
central.c sparc64: Do not clobber %g2 in xcall_fetch_glob_regs(). 2012-05-10 11:00:46 -07:00
cherrs.S sparc,sparc64: unify kernel/ 2008-12-04 09:17:21 -08:00
chmc.c sparc: Remove unnecessary semicolons 2011-06-07 16:06:34 -07:00
compat_audit.c sparc,sparc64: unify kernel/ 2008-12-04 09:17:21 -08:00
cpu.c sparc32: handle leon in cpu.c 2012-05-27 23:52:45 -07:00
cpumap.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
cpumap.h sparc64: fix and optimize irq distribution 2009-06-16 04:56:28 -07:00
devices.c sparc32: remove sun4c traps 2012-05-11 19:27:46 -07:00
dma.c sparc: remove several unnecessary module.h include instances 2011-10-31 19:30:54 -04:00
ds.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc 2012-04-13 13:32:07 -07:00
dtlb_miss.S sparc,sparc64: unify kernel/ 2008-12-04 09:17:21 -08:00
dtlb_prot.S sparc,sparc64: unify kernel/ 2008-12-04 09:17:21 -08:00
ebus.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
entry.h sparc64: Patch sun4v code sequences properly on module load. 2011-11-17 22:44:58 -08:00
entry.S sparc32: introduce support for run-time patching for all shared assembler code 2012-05-27 23:52:49 -07:00
etrap_32.S sparc32: introduce support for run-time patching for all shared assembler code 2012-05-27 23:52:49 -07:00
etrap_64.S sparc,sparc64: unify kernel/ 2008-12-04 09:17:21 -08:00
fpu_traps.S sparc,sparc64: unify kernel/ 2008-12-04 09:17:21 -08:00
ftrace.c sparc64: Add function graph tracer support. 2010-04-12 22:37:26 -07:00
getsetcc.S sparc,sparc64: unify kernel/ 2008-12-04 09:17:21 -08:00
head_32.S sparc32: drop swapper_pg_dir 2012-07-26 16:46:15 -07:00
head_64.S sparc64: renamed ttable.S to ttable_64.S 2012-05-19 23:26:41 -07:00
helpers.S sparc64: Fix perf_arch_get_caller_regs(). 2010-08-08 22:07:36 -07:00
hvapi.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
hvcalls.S sparc: Set reboot-cmd using reboot data hypervisor call if available. 2011-08-02 21:28:52 -07:00
hvtramp.S sparc,sparc64: unify kernel/ 2008-12-04 09:17:21 -08:00
idprom.c sparc: Clear out unused asm/machines.h values. 2012-05-11 20:45:18 -07:00
iommu_common.h sparc,sparc64: unify kernel/ 2008-12-04 09:17:21 -08:00
iommu.c SPARC: adapt for dma_map_ops changes 2012-03-28 16:36:34 +02:00
ioport.c sparc32: Export leon_dma_ops to modules. 2012-05-28 00:07:03 -07:00
irq_32.c sparc32: handle leon in irq_32.c 2012-05-27 23:52:44 -07:00
irq_64.c sparc32: Trivial removal of sun4c references in comments. 2012-05-12 00:35:45 -07:00
irq.h sparc32: remove runtime btfix support 2012-05-14 14:05:09 -07:00
itlb_miss.S sparc,sparc64: unify kernel/ 2008-12-04 09:17:21 -08:00
ivec.S sparc,sparc64: unify kernel/ 2008-12-04 09:17:21 -08:00
jump_label.c sparc: Fix even more fallout from system.h split. 2012-03-29 22:40:52 -07:00
kernel.h sparc32: introduce sparc32_start_kernel called from head_32.S 2012-05-27 23:52:42 -07:00
kgdb_32.c Disintegrate asm/system.h for Sparc 2012-03-28 18:30:03 +01:00
kgdb_64.c sparc: Fix even more fallout from system.h split. 2012-03-29 22:40:52 -07:00
kprobes.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
kstack.h sparc64: Run NMIs on the hardirq stack. 2010-04-14 02:04:29 -07:00
ktlb.S sparc: Access kernel TSB using physical addressing when possible. 2011-08-05 00:53:57 -07:00
ldc.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
led.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
leon_kernel.c sparc32,leon: drop leon_init() 2012-07-26 16:46:16 -07:00
leon_pci_grpci2.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
leon_pci.c sparc/PCI: factor out pcibios_setup() 2012-07-05 15:09:13 -06:00
leon_pmc.c sparc32,leon: always include leon_pmc in build 2012-05-27 23:52:53 -07:00
leon_smp.c sparc32,leon: fix section mismatch warning 2012-05-27 23:52:48 -07:00
Makefile sparc32,leon: always include leon_pmc in build 2012-05-27 23:52:53 -07:00
mdesc.c sparc: add export.h to arch/sparc files as required 2011-10-31 19:30:52 -04:00
misctrap.S sparc,sparc64: unify kernel/ 2008-12-04 09:17:21 -08:00
module.c sparc32: Kill off software 32-bit multiply/divide routines. 2012-05-15 11:23:47 -07:00
nmi.c Disintegrate asm/system.h for Sparc 2012-03-28 18:30:03 +01:00
of_device_32.c sparc32: rename sparc_irq_config to sparc_config 2012-04-15 10:28:49 -07:00
of_device_64.c devicetree: add helper inline for retrieving a node's full name 2012-07-06 07:16:34 -05:00
of_device_common.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
of_device_common.h sparc: move of_device common code to of_device_common 2009-06-16 04:56:49 -07:00
pci_common.c sparc: Remove unnecessary semicolons 2011-06-07 16:06:34 -07:00
pci_fire.c sparc: add export.h to arch/sparc files as required 2011-10-31 19:30:52 -04:00
pci_impl.h sparc/PCI: register busn_res for root buses 2012-06-13 15:42:24 -06:00
pci_msi.c sparc: convert old cpumask API into new one 2011-05-16 13:38:07 -07:00
pci_psycho.c sparc: add export.h to arch/sparc files as required 2011-10-31 19:30:52 -04:00
pci_sabre.c sparc: add export.h to arch/sparc files as required 2011-10-31 19:30:52 -04:00
pci_schizo.c sparc: add export.h to arch/sparc files as required 2011-10-31 19:30:52 -04:00
pci_sun4v_asm.S sparc,sparc64: unify kernel/ 2008-12-04 09:17:21 -08:00
pci_sun4v.c SPARC: adapt for dma_map_ops changes 2012-03-28 16:36:34 +02:00
pci_sun4v.h sparc,sparc64: unify kernel/ 2008-12-04 09:17:21 -08:00
pci.c Merge branch 'pci/bjorn-p2p-bridge-windows' into next 2012-07-10 08:36:09 -06:00
pcic.c Merge branch 'pci/myron-pcibios_setup' into next 2012-07-05 15:31:05 -06:00
pcr.c Disintegrate asm/system.h for Sparc 2012-03-28 18:30:03 +01:00
perf_event.c perf: Pass last sampling period to perf_sample_data_init() 2012-05-09 15:23:12 +02:00
pmc.c sparc: Add module.h to files previously implicitly using it. 2011-10-31 19:30:54 -04:00
power.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
process_32.c sparc32, copy_thread: Clear TIF_USEDFPU flag of created task instead of current 2012-07-26 16:49:40 -07:00
process_64.c Disintegrate asm/system.h for Sparc 2012-03-28 18:30:03 +01:00
prom_32.c sparc: remove several unnecessary module.h include instances 2011-10-31 19:30:54 -04:00
prom_64.c sparc: remove several unnecessary module.h include instances 2011-10-31 19:30:54 -04:00
prom_common.c sparc: fix sparc64 build due to leon.h inclusion 2012-05-29 12:47:38 -07:00
prom_irqtrans.c sparc: Remove unnecessary semicolons 2011-06-07 16:06:34 -07:00
prom.h of/promtree: make drivers/of/pdt.c no longer sparc-only 2010-10-10 21:53:30 -06:00
psycho_common.c sparc: Remove unnecessary semicolons 2011-06-07 16:06:34 -07:00
psycho_common.h sparc: remove references to of_device and to_of_device 2010-07-24 09:58:22 -06:00
ptrace_32.c Disintegrate asm/system.h for Sparc 2012-03-28 18:30:03 +01:00
ptrace_64.c seccomp: ignore secure_computing return values 2012-04-18 12:24:50 +10:00
reboot.c Disintegrate asm/system.h for Sparc 2012-03-28 18:30:03 +01:00
rtrap_32.S sparc32: introduce support for run-time patching for all shared assembler code 2012-05-27 23:52:49 -07:00
rtrap_64.S sparc64: Remove trap return code which is now unnecessary. 2012-04-13 13:56:46 -07:00
sbus.c sparc: add export.h to arch/sparc files as required 2011-10-31 19:30:52 -04:00
setup_32.c sparc32: centralize all mmu context handling in srmmu.c 2012-07-26 16:46:16 -07:00
setup_64.c Disintegrate asm/system.h for Sparc 2012-03-28 18:30:03 +01:00
signal32.c new helper: signal_delivered() 2012-06-01 12:58:52 -04:00
signal_32.c new helper: signal_delivered() 2012-06-01 12:58:52 -04:00
signal_64.c new helper: signal_delivered() 2012-06-01 12:58:52 -04:00
sigutil_32.c Disintegrate asm/system.h for Sparc 2012-03-28 18:30:03 +01:00
sigutil_64.c Disintegrate asm/system.h for Sparc 2012-03-28 18:30:03 +01:00
sigutil.h sparc: Allow handling signals when stack is corrupted. 2011-08-20 17:14:54 -07:00
smp_32.c Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2012-05-21 19:43:57 -07:00
smp_64.c SPARC: SMP: Remove call to ipi_call_lock_irq()/ipi_call_unlock_irq() 2012-06-05 17:27:13 +02:00
sparc_ksyms_32.c sparc32: Implement hard_smp_processor_id() via instruction patching. 2012-05-14 13:31:38 -07:00
sparc_ksyms_64.c Disintegrate asm/system.h for Sparc 2012-03-28 18:30:03 +01:00
spiterrs.S sparc,sparc64: unify kernel/ 2008-12-04 09:17:21 -08:00
sstate.c sparc: Set reboot-cmd using reboot data hypervisor call if available. 2011-08-02 21:28:52 -07:00
stacktrace.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
starfire.c sparc: explicitly cast negative phandle checks to s32 2011-01-03 20:02:06 -07:00
sun4d_irq.c sparc32: remove remaining users of btfixup 2012-05-14 14:05:08 -07:00
sun4d_smp.c Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2012-05-21 19:43:57 -07:00
sun4m_irq.c sparc32: remove remaining users of btfixup 2012-05-14 14:05:08 -07:00
sun4m_smp.c Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2012-05-21 19:43:57 -07:00
sun4v_ivec.S sparc,sparc64: unify kernel/ 2008-12-04 09:17:21 -08:00
sun4v_tlb_miss.S sparc,sparc64: unify kernel/ 2008-12-04 09:17:21 -08:00
sys32.S All Arch: remove linkage for sys_nfsservctl system call 2011-08-26 15:09:58 -07:00
sys_sparc32.c userns: Convert stat to return values mapped from kuids and kgids 2012-05-15 14:08:35 -07:00
sys_sparc_32.c sparc: kill ancient comment in sparc_sigaction() 2012-05-21 23:59:23 -04:00
sys_sparc_64.c ipc: add COMPAT_SHMLBA support 2012-07-30 17:25:20 -07:00
syscalls.S sparc64: Kill off old sys_perfctr system call and state. 2010-03-03 08:08:49 -08:00
sysfs.c cpu: convert 'cpu' and 'machinecheck' sysdev_class to a regular subsystem 2011-12-21 14:29:42 -08:00
systbls_32.S sparc: Hook up process_vm_{readv,writev} syscalls. 2011-11-01 00:51:30 -07:00
systbls_64.S KEYS: Use the compat keyctl() syscall wrapper on Sparc64 for Sparc32 compat 2012-05-11 10:56:56 +01:00
systbls.h improve sys_newuname() for compat architectures 2010-03-12 15:52:32 -08:00
tadpole.c of/sparc: convert various prom_* functions to use phandle 2010-10-09 02:33:34 -06:00
time_32.c sparc32: remove runtime btfix support 2012-05-14 14:05:09 -07:00
time_64.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
trampoline_32.S sparc32,leon: always include leon_smp + leon_mm in build 2012-05-27 23:52:47 -07:00
trampoline_64.S sparc,sparc64: unify kernel/ 2008-12-04 09:17:21 -08:00
traps_32.c sparc32: Kill off software 32-bit multiply/divide routines. 2012-05-15 11:23:47 -07:00
traps_64.c sparc64: Fix several bugs in quad floating point emulation. 2012-05-25 00:31:56 -07:00
tsb.S sparc64: Fix sun4u execute bit check in TSB I-TLB load. 2010-02-19 15:19:52 -08:00
ttable_32.S sparc32: move trap table to a separate file 2012-05-19 23:27:25 -07:00
ttable_64.S sparc64: renamed ttable.S to ttable_64.S 2012-05-19 23:26:41 -07:00
una_asm_32.S sparc32: unaligned memory access (MNA) trap handler bug 2011-02-01 12:39:59 -08:00
una_asm_64.S sparc: Fix .size directive for do_int_load 2011-03-16 18:19:15 -07:00
unaligned_32.c Disintegrate asm/system.h for Sparc 2012-03-28 18:30:03 +01:00
unaligned_64.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc 2012-04-13 13:32:07 -07:00
us2e_cpufreq.c sparc: Remove unnecessary semicolons 2011-06-07 16:06:34 -07:00
us3_cpufreq.c sparc: Remove unnecessary semicolons 2011-06-07 16:06:34 -07:00
utrap.S sparc,sparc64: unify kernel/ 2008-12-04 09:17:21 -08:00
vio.c Fix typo in printed messages 2012-06-24 11:03:52 -07:00
viohs.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
visemul.c Disintegrate asm/system.h for Sparc 2012-03-28 18:30:03 +01:00
vmlinux.lds.S sparc32: add support for run-time patching of leon/sun single instructions 2012-05-27 23:52:43 -07:00
windows.c BKL: remove extraneous #include <smp_lock.h> 2010-11-17 08:59:32 -08:00
winfixup.S sparc,sparc64: unify kernel/ 2008-12-04 09:17:21 -08:00
wof.S sparc32: introduce support for run-time patching for all shared assembler code 2012-05-27 23:52:49 -07:00
wuf.S sparc32: introduce support for run-time patching for all shared assembler code 2012-05-27 23:52:49 -07:00