iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
linux/arch/powerpc/kernel
History
Sukadev Bhattiprolu 9d2a4d7133 powerpc: Define set_thread_uses_vas() 
A CP_ABORT instruction is required in processes that have mapped a VAS
"paste address" with the intention of using COPY/PASTE instructions.
But since CP_ABORT is expensive, we want to restrict it to only
processes that use/intend to use COPY/PASTE.

Define an interface, set_thread_uses_vas(), that VAS can use to
indicate that the current process opened a send window. During context
switch, issue CP_ABORT only for processes that have the flag set.

Thanks for input from Nick Piggin, Michael Ellerman.

Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
[mpe: Fix to not use new_thread after _switch() returns]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2017-11-12 09:03:09 +11:00
..
trace
Merge branch 'fixes' into next
2017-11-10 20:55:03 +11:00
vdso32
powerpc/time: refactor MFTB() to limit number of ifdefs
2017-08-10 23:32:09 +10:00
vdso64
powerpc/vdso64: Use double word compare on pointers
2016-09-29 15:17:57 +10:00
.gitignore
…
align.c
powerpc: Fix check for copy/paste instructions in alignment handler
2017-10-25 12:42:35 +02:00
asm-offsets.c
powerpc/64s: Replace CONFIG_PPC_STD_MMU_64 with CONFIG_PPC_BOOK3S_64
2017-11-06 16:48:14 +11:00
audit.c
…
btext.c
powerpc: Convert to using %pOF instead of full_name
2017-08-23 22:27:04 +10:00
cacheinfo.c
powerpc: Convert to using %pOF instead of full_name
2017-08-23 22:27:04 +10:00
cacheinfo.h
…
compat_audit.c
…
cpu_setup_6xx.S
powerpc: Various typo fixes
2016-06-14 13:58:26 +10:00
cpu_setup_44x.S
…
cpu_setup_fsl_booke.S
powerpc/cache: add cache flush operation for various e500
2016-03-04 23:44:51 -06:00
cpu_setup_pa6t.S
…
cpu_setup_power.S
powerpc/powernv: Fix local TLB flush for boot and MCE on POWER9
2017-07-11 12:53:53 +10:00
cpu_setup_ppc970.S
…
cputable.c
powerpc: add POWER9_DD20 feature
2017-11-06 22:46:13 +11:00
crash_dump.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
crash.c
powerpc/fadump: remove dependency with CONFIG_KEXEC
2017-05-08 17:15:11 -07:00
dbell.c
powerpc: Introduce msgsnd/doorbell barrier primitives
2017-04-13 23:34:33 +10:00
dma-iommu.c
powerpc: implement ->mapping_error
2017-06-28 06:54:33 -07:00
dma-swiotlb.c
treewide: Constify most dma_map_ops structures
2017-01-24 12:23:35 -05:00
dma.c
powerpc: merge __dma_set_mask into dma_set_mask
2017-06-28 06:54:55 -07:00
dt_cpu_ftrs.c
Merge branch 'fixes' into next
2017-11-10 20:55:03 +11:00
eeh_cache.c
powerpc/eeh: Fix pr_debug()s in eeh_cache.c
2016-07-08 22:09:50 +10:00
eeh_dev.c
powerpc/eeh: Create PHB PEs after EEH is initialized
2017-09-21 14:56:00 +10:00
eeh_driver.c
powerpc/eeh: Stop using do_gettimeofday()
2017-11-06 17:40:00 +11:00
eeh_event.c
powerpc/pci: Always print PHB and PE numbers as hexadecimal
2016-11-22 11:57:07 +11:00
eeh_pe.c
powerpc/eeh: Stop using do_gettimeofday()
2017-11-06 17:40:00 +11:00
eeh_sysfs.c
powerpc/eeh: Remove unnecessary config_addr from eeh_dev
2017-08-31 14:26:09 +10:00
eeh.c
powerpc/powernv: Rework EEH initialization on powernv
2017-09-26 11:19:07 +10:00
entry_32.S
powerpc/32: Avoid risk of unrecoverable TLBmiss inside entry_32.S
2017-08-15 22:55:53 +10:00
entry_64.S
powerpc/64s: Replace CONFIG_PPC_STD_MMU_64 with CONFIG_PPC_BOOK3S_64
2017-11-06 16:48:14 +11:00
epapr_hcalls.S
ppc: move exports to definitions
2016-08-07 23:50:09 -04:00
epapr_paravirt.c
…
exceptions-64e.S
powerpc/64e: Fix hang when debugging programs with relocated kernel
2017-04-30 01:05:18 -05:00
exceptions-64s.S
powerpc/64s: Replace CONFIG_PPC_STD_MMU_64 with CONFIG_PPC_BOOK3S_64
2017-11-06 16:48:14 +11:00
fadump.c
powerpc/powernv: Use kernel crash path for machine checks
2017-08-31 14:26:04 +10:00
firmware.c
…
fpu.S
Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
2016-10-14 14:26:58 -07:00
fsl_booke_entry_mapping.S
powerpc/fsl: Force coherent memory on e500mc derivatives
2015-08-07 23:00:01 -05:00
head_8xx.S
powerpc/8xx: Reduce DTLB miss handler by one insn
2017-08-15 22:55:55 +10:00
head_32.S
powerpc/mm: Use symbolic constants for filtering SRR1 bits on ISIs
2017-08-03 16:06:44 +10:00
head_40x.S
ppc: move exports to definitions
2016-08-07 23:50:09 -04:00
head_44x.S
ppc: move exports to definitions
2016-08-07 23:50:09 -04:00
head_64.S
powerpc/powernv: Avoid waiting for secondary hold spinloop with OPAL
2017-11-10 22:00:54 +11:00
head_booke.h
…
head_fsl_booke.S
ppc: move exports to definitions
2016-08-07 23:50:09 -04:00
hw_breakpoint.c
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/scottwood/linux into next
2017-02-18 21:37:14 +11:00
idle_6xx.S
…
idle_book3e.S
…
idle_book3s.S
powerpc/64s/idle: avoid POWER9 DD1 and DD2.0 PMU workaround on DD2.1
2017-11-06 22:46:16 +11:00
idle_e500.S
powerpc/e500mc: Remove dead L2 flushing code in idle_e500.S
2015-06-02 21:37:19 -05:00
idle_power4.S
…
idle.c
…
ima_kexec.c
powerpc: ima: send the kexec buffer to the next kernel
2016-12-20 09:48:44 -08:00
io-workarounds.c
powerpc: Convert to using %pOF instead of full_name
2017-08-23 22:27:04 +10:00
io.c
…
iomap.c
powerpc: Move isa bridge definitions to separate include
2017-01-31 13:54:17 +11:00
iommu.c
powerpc/iommu: Use permission-specific DEVICE_ATTR variants
2017-09-01 16:42:54 +10:00
irq.c
powerpc/64: Fix latency tracing for lazy irq replay
2017-11-06 16:48:07 +11:00
isa-bridge.c
powerpc: Convert to using %pOF instead of full_name
2017-08-23 22:27:04 +10:00
jump_label.c
jump_label: Rename JUMP_LABEL_{EN,DIS}ABLE to JUMP_LABEL_{JMP,NOP}
2015-08-03 11:34:12 +02:00
kexec_elf_64.c
powerpc: ima: send the kexec buffer to the next kernel
2016-12-20 09:48:44 -08:00
kgdb.c
powerpc/8xx: Getting rid of remaining use of CONFIG_8xx
2017-08-10 23:32:12 +10:00
kprobes-ftrace.c
powerpc/jprobes: Disable preemption when triggered through ftrace
2017-10-05 16:11:29 +11:00
kprobes.c
Merge branch 'fixes' into next
2017-11-10 20:55:03 +11:00
kvm_emul.S
…
kvm.c
powerpc/64: Fix watchdog configuration regressions
2017-08-31 14:26:00 +10:00
l2cr_6xx.S
powerpc/l2cr_6xx: Fix invalid use of register expressions
2017-08-15 21:04:32 +10:00
legacy_serial.c
powerpc: Convert to using %pOF instead of full_name
2017-08-23 22:27:04 +10:00
machine_kexec_32.c
…
machine_kexec_64.c
powerpc/64s: Replace CONFIG_PPC_STD_MMU_64 with CONFIG_PPC_BOOK3S_64
2017-11-06 16:48:14 +11:00
machine_kexec_file_64.c
powerpc: ima: send the kexec buffer to the next kernel
2016-12-20 09:48:44 -08:00
machine_kexec.c
powerpc: Update of_remove_property() call sites to remove null checking
2016-05-11 21:54:04 +10:00
Makefile
powerpc/8xx: Getting rid of remaining use of CONFIG_8xx
2017-08-10 23:32:12 +10:00
mce_power.c
Merge branch 'fixes' into next
2017-11-10 20:55:03 +11:00
mce.c
powerpc/mce: hookup memory_failure for UE errors
2017-10-16 23:12:02 +11:00
misc_32.S
powerpc/40x: Clear MSR_DR in one insn instead of two
2017-06-02 19:20:43 +10:00
misc_64.S
powerpc/kexec: Fix radix to hash kexec due to IAMR/AMOR
2017-07-10 21:07:38 +10:00
misc.S
ppc: move exports to definitions
2016-08-07 23:50:09 -04:00
module_32.c
powerpc/module: Only try to generate the ftrace_caller() stub once
2016-03-07 14:53:53 +11:00
module_64.c
powerpc/modules: Use WARN_ON() in stub_for_addr()
2017-10-13 19:41:57 +11:00
module.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
msi.c
powerpc: Remove MSI-related PCI controller ops from ppc_md
2015-06-02 11:47:45 +10:00
nvram_64.c
powerpc/nvram: use memdup_user
2017-06-27 17:02:50 -07:00
of_platform.c
powerpc: Convert to using %pOF instead of full_name
2017-08-23 22:27:04 +10:00
optprobes_head.S
powerpc/kprobes: Don't save/restore DAR/DSISR to/from pt_regs for optprobes
2017-08-24 16:19:01 +10:00
optprobes.c
powerpc/kprobes: Update optprobes to use emulate_update_regs()
2017-09-20 20:21:24 +10:00
paca.c
powerpc/64s: Replace CONFIG_PPC_STD_MMU_64 with CONFIG_PPC_BOOK3S_64
2017-11-06 16:48:14 +11:00
pci_32.c
powerpc: Convert to using %pOF instead of full_name
2017-08-23 22:27:04 +10:00
pci_64.c
powerpc/64s: Replace CONFIG_PPC_STD_MMU_64 with CONFIG_PPC_BOOK3S_64
2017-11-06 16:48:14 +11:00
pci_dn.c
powerpc/pci: Remove OF node back pointer from pci_dn
2017-08-31 14:26:12 +10:00
pci_of_scan.c
powerpc: Convert to using %pOF instead of full_name
2017-08-23 22:27:04 +10:00
pci-common.c
powerpc: Convert to using %pOF instead of full_name
2017-08-23 22:27:04 +10:00
pci-hotplug.c
powerpc/pci: Don't scan empty slot
2016-05-11 21:54:26 +10:00
pmc.c
…
ppc32.h
…
ppc_save_regs.S
…
proc_powerpc.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
process.c
powerpc: Define set_thread_uses_vas()
2017-11-12 09:03:09 +11:00
prom_init_check.sh
powerpc: Simplify symbol check in prom_init_check.sh
2014-09-25 23:14:46 +10:00
prom_init.c
powerpc/xive: add XIVE Exploitation Mode to CAS
2017-09-02 21:02:38 +10:00
prom_parse.c
…
prom.c
powerpc/64s: Replace CONFIG_PPC_STD_MMU_64 with CONFIG_PPC_BOOK3S_64
2017-11-06 16:48:14 +11:00
ptrace32.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
ptrace.c
powerpc/tm: Flush TM only if CPU has TM feature
2017-09-20 13:30:09 +10:00
reloc_32.S
…
reloc_64.S
powerpc/asm: Convert .llong directives to .8byte
2017-08-31 14:26:47 +10:00
rtas_flash.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
rtas_pci.c
powerpc/kernel: Change retrieval of pci_dn
2017-08-31 14:26:40 +10:00
rtas-proc.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
rtas-rtc.c
…
rtas.c
mm: treewide: remove GFP_TEMPORARY allocation flag
2017-09-13 18:53:16 -07:00
rtasd.c
powerpc: Only obtain cpu_hotplug_lock if called by rtasd
2017-06-23 09:32:11 +02:00
setup_32.c
powerpc/32: remove a NOP from memset()
2017-09-01 16:42:46 +10:00
setup_64.c
powerpc/64: Set DSCR default initially from SPR
2017-11-10 22:11:35 +11:00
setup-common.c
Merge branch 'fixes' into next
2017-11-10 20:55:03 +11:00
setup.h
powerpc/64: Set DSCR default initially from SPR
2017-11-10 22:11:35 +11:00
signal_32.c
powerpc: Always save/restore checkpointed regs during treclaim/trecheckpoint
2017-11-06 20:39:33 +11:00
signal_64.c
powerpc: Always save/restore checkpointed regs during treclaim/trecheckpoint
2017-11-06 20:39:33 +11:00
signal.c
livepatch/powerpc: add TIF_PATCH_PENDING thread flag
2017-03-08 09:20:19 +01:00
signal.h
powerpc: tm: Rename transct_(*) to ck(\1)_state
2016-10-04 20:33:16 +11:00
smp-tbsync.c
…
smp.c
powerpc/smp: Add Power9 scheduler topology
2017-08-31 18:16:08 +10:00
stacktrace.c
powerpc: Make /proc/self/stack always print the current stack
2017-03-28 14:43:59 +11:00
suspend.c
nosave: consolidate __nosave_{begin,end} in <asm/sections.h>
2014-10-09 22:26:04 -04:00
swsusp_32.S
…
swsusp_64.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/nmi.h>
2017-03-02 08:42:30 +01:00
swsusp_asm64.S
powerpc: Fix invalid use of register expressions
2017-08-10 22:29:41 +10:00
swsusp_booke.S
…
swsusp.c
powerpc/swsusp: Include suspend.h to silence sparse warnings
2017-03-20 19:02:49 +11:00
sys_ppc32.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
syscalls.c
powerpc/tracing: Allow tracing of mmap syscalls
2017-04-12 22:32:43 +10:00
sysfs.c
powerpc/64: Set DSCR default initially from SPR
2017-11-10 22:11:35 +11:00
systbl_chk.c
powerpc: Standardise on NR_syscalls rather than __NR_syscalls.
2015-11-26 22:11:17 +11:00
systbl_chk.sh
powerpc: Standardise on NR_syscalls rather than __NR_syscalls.
2015-11-26 22:11:17 +11:00
systbl.S
powerpc/asm: Convert .llong directives to .8byte
2017-08-31 14:26:47 +10:00
tau_6xx.c
powerpc/6xx: Use setup_timer() helper
2017-10-04 11:28:02 +11:00
time.c
powerpc: use spin loop primitives in some functions
2017-07-02 20:40:24 +10:00
tm.S
powerpc: Always save/restore checkpointed regs during treclaim/trecheckpoint
2017-11-06 20:39:33 +11:00
traps.c
powerpc: Remove facility loadups on transactional {fp, vec, vsx} unavailable
2017-11-06 20:39:34 +11:00
udbg_16550.c
powerpc: Fix bad NULL pointer check in udbg_uart_getc_poll()
2014-11-12 13:47:20 +11:00
udbg.c
powerpc: Remove the celleb support
2015-04-07 17:15:13 +10:00
uprobes.c
powerpc/uprobes: Implement arch_uretprobe_is_alive()
2017-08-24 16:19:21 +10:00
vdso.c
powerpc/64: Clean up ppc64_caches using a struct per cache
2017-02-06 19:46:04 +11:00
vecemu.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
vector.S
Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
2016-10-14 14:26:58 -07:00
vmlinux.lds.S
powerpc/mm: Implement STRICT_KERNEL_RWX on PPC32
2017-08-15 22:55:57 +10:00
watchdog.c
powerpc/watchdog: Do not trigger SMP crash from touch_nmi_watchdog
2017-10-04 11:26:02 +11:00