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9ea141ad54
linux/arch/mips
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Paul Burton 9ea141ad54
MIPS: Add support for restartable sequences 
Implement support for restartable sequences on MIPS, which requires 3
simple things:

  - Call rseq_handle_notify_resume() on return to userspace if
    TIF_NOTIFY_RESUME is set.

  - Call rseq_signal_deliver() to fixup the pre-signal stack frame when
    a signal is delivered whilst executing a restartable sequence
    critical section.

  - Select CONFIG_HAVE_RSEQ.

Signed-off-by: Paul Burton <paul.burton@mips.com>
Reviewed-by: James Hogan <jhogan@kernel.org>
Patchwork: https://patchwork.linux-mips.org/patch/19523/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
2018-06-19 21:13:17 -07:00
..
alchemy Merge branch 'i2c/for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2018-06-14 16:21:46 +09:00
ar7 MIPS: AR7: Constify gpio_led 2018-02-19 10:55:36 +00:00
ath25 MIPS: ath25: Check for kzalloc allocation failure 2018-02-23 09:35:54 +00:00
ath79 MIPS: pb44: Fix i2c-gpio GPIO descriptor table 2018-06-18 22:19:50 +01:00
bcm47xx MIPS: BCM47XX: Enable 74K Core ExternalSync for PCIe erratum 2018-06-18 22:19:50 +01:00
bcm63xx MIPS: BCM63XX: kconfig: Remove blank help text 2018-02-02 23:53:10 +09:00
bmips treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
boot MIPS changes for 4.18 2018-06-12 12:56:02 -07:00
cavium-octeon swiotlb: move the SWIOTLB config symbol to lib/Kconfig 2018-05-09 06:58:01 +02:00
cobalt
configs MIPS changes for 4.18 2018-06-12 12:56:02 -07:00
crypto MIPS: crypto: Add crc32 and crc32c hw accelerated module 2018-02-19 20:50:36 +00:00
dec MIPS: Convert update_persistent_clock() to update_persistent_clock64() 2018-05-14 23:58:23 +01:00
emma
fw License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
generic MIPS: xilfpga: Actually include FDT in fitImage 2018-05-14 23:54:25 +01:00
include MIPS: io: Add barrier after register read in inX() 2018-06-19 19:39:19 -07:00
jazz MIPS: Set I/O port resource types correctly 2017-12-18 23:07:45 -06:00
jz4740 MIPS: JZ4740: Drop old platform reset code 2018-05-14 23:58:23 +01:00
kernel MIPS: Add support for restartable sequences 2018-06-19 21:13:17 -07:00
kvm Small update for KVM. 2018-06-12 11:34:04 -07:00
lantiq MIPS: lantiq: ase: Enable MFD_SYSCON 2018-03-21 21:57:35 +00:00
lasat MIPS: Convert update_persistent_clock() to update_persistent_clock64() 2018-05-14 23:58:23 +01:00
lib MIPS: memset.S: Reinstate delay slot indentation 2018-05-21 16:01:15 +01:00
loongson32 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
loongson64 MIPS changes for 4.18 2018-06-12 12:56:02 -07:00
math-emu MIPS: math-emu: Mark fall throughs in switch statements with a comment 2017-12-12 17:20:20 +01:00
mm MIPS changes for 4.18 2018-06-12 12:56:02 -07:00
mti-malta MIPS: Convert read_persistent_clock() to read_persistent_clock64() 2018-05-14 23:58:23 +01:00
net bpf, mips: remove unused function 2018-05-14 19:11:45 -07:00
netlogic scatterlist: move the NEED_SG_DMA_LENGTH config symbol to lib/Kconfig 2018-05-09 06:55:59 +02:00
oprofile MIPS: perf: More robustly probe for the presence of per-tc counters 2018-05-15 15:16:16 +01:00
paravirt License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pci pci-v4.18-changes 2018-06-07 12:45:58 -07:00
pic32 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pistachio License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pmcs-msp71xx License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pnx833x mtd: nand: Rename nand.h into rawnand.h 2017-08-13 10:11:49 +02:00
power License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ralink MIPS: ralink: Fix booting on MT7621 2018-03-22 00:06:30 +00:00
rb532 MIPS: RB532: Avoid undefined mac_pton without GENERIC_NET_UTILS 2018-01-10 16:39:03 +01:00
sgi-ip22 Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-11-13 17:56:58 -08:00
sgi-ip27 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sgi-ip32 mips: ip22/32: Convert timers to use timer_setup() 2017-11-02 15:50:36 -07:00
sibyte MIPS changes for 4.18 2018-06-12 12:56:02 -07:00
sni MIPS: sni: Remove the read_persistent_clock() 2018-05-14 23:58:25 +01:00
tools Update MIPS email addresses 2017-11-03 09:02:30 -07:00
txx9 treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
vdso MIPS: VDSO: Replace __mips_isa_rev with MIPS_ISA_REV 2018-03-09 11:22:48 +00:00
vr41xx License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kbuild
Kbuild.platforms MIPS: Xilfpga: Switch to using generic defconfigs 2017-11-08 22:54:14 +00:00
Kconfig MIPS: Add support for restartable sequences 2018-06-19 21:13:17 -07:00
Kconfig.debug MIPS: Fix CPS SMP NS16550 UART defaults 2018-01-10 16:44:49 +01:00
Makefile kbuild: add machine size to CHECKFLAGS 2018-06-01 11:36:58 +09:00
Makefile.postlink License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00