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932bb934ed
linux/arch/mips
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Vincenzo Frascino 932bb934ed
mips: compat: vdso: Use legacy syscalls as fallback 
The generic VDSO implementation uses the Y2038 safe clock_gettime64() and
clock_getres_time64() syscalls as fallback for 32bit VDSO. This breaks
seccomp setups because these syscalls might be not (yet) allowed.

Implement the 32bit variants which use the legacy syscalls and select the
variant in the core library.

The 64bit time variants are not removed because they are required for the
time64 based vdso accessors.

Cc: Paul Burton <paul.burton@mips.com>
Fixes: 00b26474c2 ("lib/vdso: Provide generic VDSO implementation")
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: linux-arch@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@vger.kernel.org
Cc: linux-kselftest@vger.kernel.org
Cc: catalin.marinas@arm.com
Cc: will@kernel.org
Cc: tglx@linutronix.de
Cc: salyzyn@android.com
Cc: 0x7f454c46@gmail.com
Cc: luto@kernel.org
2019-09-03 15:35:23 +01:00
..
alchemy treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 182 2019-05-30 11:29:20 -07:00
ar7 The main MIPS changes for a pretty light v5.3 cycle, including: 2019-07-17 09:42:03 -07:00
ath25 PCI: consolidate PCI config entry in drivers/pci 2018-11-23 11:45:34 +09:00
ath79 The main MIPS changes for a pretty light v5.3 cycle, including: 2019-07-17 09:42:03 -07:00
bcm47xx MIPS: BCM47XX: Add support for Netgear R6200 V1 2019-07-25 22:10:05 -07:00
bcm63xx MIPS: fix some more fall through errors in arch/mips 2019-07-16 12:40:16 +01:00
bmips docs: arm: convert docs to ReST and rename to *.rst 2019-07-15 09:20:24 -03:00
boot MIPS: dts: mscc: describe the PTP ready interrupt 2019-08-24 15:17:37 +01:00
cavium-octeon MIPS: Octeon: remove duplicated include from dma-octeon.c 2019-08-27 10:59:56 +01:00
cobalt treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 1 2019-05-21 11:28:39 +02:00
configs MIPS: configs: LB60: update defconfig 2019-07-30 10:41:53 -07:00
crypto MIPS: crypto: Add crc32 and crc32c hw accelerated module 2018-02-19 20:50:36 +00:00
dec treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
emma treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
fw MIPS: fw: Record prom memory 2019-08-23 14:47:10 +01:00
generic treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
include mips: compat: vdso: Use legacy syscalls as fallback 2019-09-03 15:35:23 +01:00
jazz MIPS: use the generic uncached segment support in dma-direct 2019-06-03 16:00:08 +02:00
jz4740 Merge branch 'ingenic-tcu-v5.4' into mips-next 2019-08-08 15:33:16 -07:00
kernel mips/atomic: Fix loongson_llsc_mb() wreckage 2019-08-31 11:05:17 +01:00
kvm KVM: Directly return result from kvm_arch_check_processor_compat() 2019-06-04 19:27:32 +02:00
lantiq MIPS: lantiq: update the clock alias' for the mainline PCIe PHY driver 2019-08-24 15:13:22 +01:00
lasat treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 182 2019-05-30 11:29:20 -07:00
lib treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 504 2019-06-19 17:09:56 +02:00
loongson32 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
loongson64 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
math-emu treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 454 2019-06-19 17:09:09 +02:00
mm MIPS: tlbex: Remove cpu_has_local_ebase 2019-09-03 14:20:54 +01:00
mti-malta MIPS: malta: Drop prom_free_prom_memory 2019-08-23 14:47:13 +01:00
net treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
netlogic MIPS: xlp: Drop boot_mem_map 2019-08-23 14:47:21 +01:00
oprofile Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
paravirt mips: unify prom_putchar() declarations 2018-07-17 09:40:17 -07:00
pci MIPS: PCI: refactor ioc3 special handling 2019-08-31 17:16:00 +01:00
pic32 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 445 2019-06-05 17:37:18 +02:00
pistachio A batch of MIPS fixes: 2019-06-08 13:09:31 -07:00
pmcs-msp71xx MIPS: msp: Record prom memory 2019-08-23 14:47:16 +01:00
pnx833x A batch of MIPS fixes: 2019-06-08 13:09:31 -07:00
power treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 305 2019-06-05 17:37:04 +02:00
ralink MIPS: Remove dev_err() usage after platform_get_irq() 2019-08-26 11:26:04 +01:00
rb532 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 182 2019-05-30 11:29:20 -07:00
sgi-ip22 MIPS: ip22: Drop addr_is_ram 2019-08-23 14:47:18 +01:00
sgi-ip27 Merge branch 'siginfo-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2019-07-08 21:48:15 -07:00
sgi-ip32 Merge branch 'siginfo-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2019-07-08 21:48:15 -07:00
sibyte treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
sni treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 210 2019-05-30 11:29:53 -07:00
tools treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
txx9 A batch of MIPS fixes: 2019-06-08 13:09:31 -07:00
vdso mips: compat: vdso: Use legacy syscalls as fallback 2019-09-03 15:35:23 +01:00
vr41xx treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
Kbuild treewide: Add SPDX license identifier - Kbuild 2019-05-30 11:32:33 -07:00
Kbuild.platforms treewide: Add SPDX license identifier - Kbuild 2019-05-30 11:32:33 -07:00
Kconfig MIPS: Select R3k-style TLB in Kconfig 2019-09-03 14:20:43 +01:00
Kconfig.debug Kconfig: consolidate the "Kernel hacking" menu 2018-08-02 08:06:48 +09:00
Makefile MIPS: Remove unused R8000 CPU support 2019-07-23 14:33:51 -07:00
Makefile.postlink License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00