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Paul Burton 9b8a065de9 MIPS: Avoid VDSO ABI breakage due to global register variable 
commit bbcc5672b0 upstream.

Declaring __current_thread_info as a global register variable has the
effect of preventing GCC from saving & restoring its value in cases
where the ABI would typically do so.

To quote GCC documentation:

> If the register is a call-saved register, call ABI is affected: the
> register will not be restored in function epilogue sequences after the
> variable has been assigned. Therefore, functions cannot safely return
> to callers that assume standard ABI.

When our position independent VDSO is built for the n32 or n64 ABIs all
functions it exposes should be preserving the value of $gp/$28 for their
caller, but in the presence of the __current_thread_info global register
variable GCC stops doing so & simply clobbers $gp/$28 when calculating
the address of the GOT.

In cases where the VDSO returns success this problem will typically be
masked by the caller in libc returning & restoring $gp/$28 itself, but
that is by no means guaranteed. In cases where the VDSO returns an error
libc will typically contain a fallback path which will now fail
(typically with a bad memory access) if it attempts anything which
relies upon the value of $gp/$28 - eg. accessing anything via the GOT.

One fix for this would be to move the declaration of
__current_thread_info inside the current_thread_info() function,
demoting it from global register variable to local register variable &
avoiding inadvertently creating a non-standard calling ABI for the VDSO.
Unfortunately this causes issues for clang, which doesn't support local
register variables as pointed out by commit fe92da0f35 ("MIPS: Changed
current_thread_info() to an equivalent supported by both clang and GCC")
which introduced the global register variable before we had a VDSO to
worry about.

Instead, fix this by continuing to use the global register variable for
the kernel proper but declare __current_thread_info as a simple extern
variable when building the VDSO. It should never be referenced, and will
cause a link error if it is. This resolves the calling convention issue
for the VDSO without having any impact upon the build of the kernel
itself for either clang or gcc.

Signed-off-by: Paul Burton <paulburton@kernel.org>
Fixes: ebb5e78cc6 ("MIPS: Initial implementation of a VDSO")
Reported-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Jason A. Donenfeld <Jason@zx2c4.com>
Tested-by: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Christian Brauner <christian.brauner@canonical.com>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: <stable@vger.kernel.org> # v4.4+
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-01-09 10:18:59 +01:00
..
dec
emma
fw License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ip32
lasat License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-ar7 MIPS: Make (UN)CAC_ADDR() PHYS_OFFSET-agnostic 2018-07-30 10:27:20 -07:00
mach-ath25 MIPS: ath25: use generic dma noncoherent ops 2018-06-24 09:27:27 -07:00
mach-ath79 MIPS: ath79: fix ar933x uart parity mode 2019-07-26 09:13:55 +02:00
mach-au1x00 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-bcm47xx MIPS: BCM47XX: Add support for Netgear WNR1000 V3 2018-04-23 16:39:34 +01:00
mach-bcm63xx bcm63xx_enet: use platform data for dma channel numbers 2017-12-19 11:07:16 -05:00
mach-bmips MIPS: bmips: use generic dma noncoherent ops 2018-06-24 09:27:27 -07:00
mach-cavium-octeon MIPS: Octeon: move swiotlb declarations out of dma-coherence.h 2018-06-24 09:26:03 -07:00
mach-cobalt MIPS16e2: Provide feature overrides for non-MIPS16 systems 2017-07-11 14:13:06 +02:00
mach-db1x00 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-dec MIPS16e2: Provide feature overrides for non-MIPS16 systems 2017-07-11 14:13:06 +02:00
mach-emma2rh MIPS: Create a common <asm/mach-generic/war.h> 2015-03-31 11:59:40 +02:00
mach-generic MIPS: Only include mmzone.h when CONFIG_NEED_MULTIPLE_NODES=y 2019-01-09 17:38:49 +01:00
mach-ip22 MIPS16e2: Provide feature overrides for non-MIPS16 systems 2017-07-11 14:13:06 +02:00
mach-ip27 MIPS: IP27: use dma_direct_ops 2018-06-24 09:26:04 -07:00
mach-ip28 MIPS16e2: Provide feature overrides for non-MIPS16 systems 2017-07-11 14:13:06 +02:00
mach-ip32 MIPS: IP32: use generic dma noncoherent ops 2018-06-24 09:27:27 -07:00
mach-jazz MIPS: jazz: split dma mapping operations from dma-default 2018-06-24 09:27:27 -07:00
mach-jz4740 mmc: jz4740: Get CD/WP GPIOs from descriptors 2019-02-12 19:47:10 +01:00
mach-lantiq MIPS: lantiq: dma: add dev pointer 2018-09-11 23:33:19 -07:00
mach-lasat License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-loongson32 MIPS: Loongson1: Add watchdog support for Loongson1 board 2017-01-03 16:34:42 +01:00
mach-loongson64 MIPS: c-r4k: Add r4k_blast_scache_node for Loongson-3 2019-01-09 17:38:47 +01:00
mach-malta Update MIPS email addresses 2017-11-03 09:02:30 -07:00
mach-netlogic MIPS16e2: Provide feature overrides for non-MIPS16 systems 2017-07-11 14:13:06 +02:00
mach-paravirt MIPS: paravirt: Fix undefined reference to smp_bootstrap 2016-09-13 16:45:15 +02:00
mach-pic32 MIPS: Make (UN)CAC_ADDR() PHYS_OFFSET-agnostic 2018-07-30 10:27:20 -07:00
mach-pistachio MIPS: Remove all the uses of custom gpio.h 2015-09-03 12:08:02 +02:00
mach-pmcs-msp71xx MIPS: asm: Rename GCC_OFF12_ASM to GCC_OFF_SMALL_ASM 2015-02-17 15:37:21 +00:00
mach-pnx833x MIPS: Create a common <asm/mach-generic/war.h> 2015-03-31 11:59:40 +02:00
mach-ralink License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-rc32434 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-rm MIPS16e2: Provide feature overrides for non-MIPS16 systems 2017-07-11 14:13:06 +02:00
mach-sibyte MIPS16e2: Provide feature overrides for non-MIPS16 systems 2017-07-11 14:13:06 +02:00
mach-tx39xx License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-tx49xx License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-vr41xx License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-xilfpga MIPS: xilfpga: Add mipsfpga platform code 2015-11-11 08:38:44 +01:00
mips-boards License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
netlogic MIPS: netlogic: xlr: Remove erroneous check in nlm_fmn_send() 2018-08-08 09:48:32 -07:00
octeon MIPS: OCTEON: cvmx_pko_mem_debug8: use oldest forward compatible definition 2019-12-13 08:52:26 +01:00
pci MIPS: Fix misspellings in comments. 2016-04-03 12:32:09 +02:00
sgi License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sibyte MIPS: BCM1480: bcm1480_regs.h: strip redundant comments 2016-05-13 14:02:13 +02:00
sn License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
txx9 JFFS2 changes: 2018-08-14 10:57:44 -07:00
vr41xx
xtalk MIPS: Xtalk: Update xwidget.h with known Xtalk device numbers 2015-06-21 21:54:21 +02:00
abi.h signals: Prepare to split out <linux/signal_types.h> from <linux/signal.h> 2017-03-02 08:42:37 +01:00
addrspace.h MIPS: Adjust MIPS64 CAC_BASE to reflect Config.K0 2016-10-06 18:02:35 +02:00
amon.h
arch_hweight.h
asm-eva.h MIPS: asm: asm-eva: Introduce kernel load/store variants 2015-04-10 15:41:43 +02:00
asm-offsets.h
asm-prototypes.h MIPS: Export tlbmiss_handler_setup_pgd near its definition 2018-08-10 17:27:51 -07:00
asm.h MIPS: Add DWARF unwinding to assembly 2017-09-06 11:01:52 +02:00
asmmacro-32.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
asmmacro-64.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
asmmacro.h MIPS: Fix odd fp register warnings with MIPS64r2 2017-11-10 20:58:56 +00:00
atomic.h MIPS: Fix a R10000_LLSC_WAR logic in atomic.h 2019-01-09 17:38:48 +01:00
barrier.h MIPS: Barrier: Add definitions of SYNC stype values 2016-10-04 16:13:57 +02:00
bcache.h MIPS: Introduce API for enabling & disabling L2 prefetch 2015-10-26 09:49:41 +01:00
bitops.h MIPS: Add nudges to writes for bit unlocks. 2017-10-09 14:53:56 +02:00
bitrev.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
bmips-spaces.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
bmips.h MIPS: bmips: mark exception vectors as char arrays 2019-11-10 11:27:31 +01:00
bootinfo.h MIPS: platform: add machtype IDs for more Ingenic SoCs 2018-01-18 22:07:16 +00:00
branch.h MIPS: Fix unaligned PC interpretation in `compute_return_epc' 2017-06-29 02:42:26 +02:00
break.h
bug.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
bugs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cache.h Revert "MIPS: Don't unnecessarily include kmalloc.h into <asm/cache.h>." 2017-08-07 12:01:17 +02:00
cacheflush.h MIPS: c-r4k: Split user/kernel flush_icache_range() 2016-10-04 16:13:57 +02:00
cacheops.h MIPS: Loongson: Add Loongson-3A R2 basic support 2016-05-13 14:02:14 +02:00
cdmm.h MIPS: CDMM: Add builtin_mips_cdmm_driver() macro 2015-11-05 11:15:41 +01:00
cevt-r4k.h MIPS: cevt-r4k: Migrate to new 'set-state' interface 2015-09-03 12:07:52 +02:00
checksum.h MIPS: Fix trailing semicolon 2018-01-24 11:17:20 +00:00
clock.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
clocksource.h MIPS: VDSO: Add implementations of gettimeofday() and clock_gettime() 2015-11-11 08:36:41 +01:00
cmp.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cmpxchg.h MIPS: include: Mark __xchg as __always_inline 2019-11-06 13:06:03 +01:00
compat-signal.h Merge branch 'misc.compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2017-11-17 11:54:55 -08:00
compat.h y2038: mips: Extend sysvipc data structures 2018-04-20 16:20:04 +02:00
compiler.h MIPS: Workaround GCC __builtin_unreachable reordering bug 2018-08-21 10:08:16 -07:00
cop2.h
cpu-features.h MIPS: Treat Loongson Extensions as ASEs 2019-10-11 18:20:55 +02:00
cpu-info.h MIPS: Expand MIPS32 ASIDs to 64 bits 2019-01-09 17:38:48 +01:00
cpu-type.h MIPS: Remove unused R6000 support 2017-08-29 15:21:51 +02:00
cpu.h MIPS: Treat Loongson Extensions as ASEs 2019-10-11 18:20:55 +02:00
cpufeature.h MIPS: Enable GENERIC_CPU_AUTOPROBE 2017-04-10 11:56:04 +02:00
debug.h MIPS: Declare mips_debugfs_dir in a header 2015-10-26 09:49:42 +01:00
delay.h
device.h treewide: Move dma_ops from struct dev_archdata into struct device 2017-01-24 12:23:35 -05:00
div64.h
dma-coherence.h MIPS: remove CONFIG_DMA_COHERENT 2018-06-24 09:26:02 -07:00
dma-direct.h MIPS: consolidate the swiotlb implementations 2018-06-24 09:26:03 -07:00
dma-mapping.h MIPS: remove mips_swiotlb_ops 2018-07-27 15:19:59 -07:00
dma.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ds1287.h
dsemul.h Update MIPS email addresses 2017-11-03 09:02:30 -07:00
dsp.h
edac.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
elf.h sched/headers: Prepare to remove the <linux/mm_types.h> dependency from <linux/sched.h> 2017-03-02 08:42:37 +01:00
errno.h
eva.h
exec.h
extable.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fb.h
fixmap.h
floppy.h MIPS: Don't use dma_cache_sync to implement fd_cacheflush 2017-08-30 00:57:29 +02:00
fpregdef.h
fpu.h Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2017-04-06 13:16:34 -07:00
fpu_emulator.h MIPS: math-emu: Add FP emu debugfs stats for individual instructions 2017-08-29 15:21:57 +02:00
ftrace.h
futex.h futex: Remove duplicated code and fix undefined behaviour 2017-08-25 22:49:59 +02:00
gio_device.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
gt64120.h
hardirq.h
hazards.h MIPS: hazards.h: Fix typo 2016-05-28 12:35:06 +02:00
highmem.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hpet.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hugetlb.h mm/hugetlb: remove arch_prepare/release_hugepage from arch headers 2015-06-25 17:00:35 -07:00
hw_irq.h
i8259.h MIPS: IRQ: Remove useless i8259_of_init() prototype. 2017-01-03 16:34:48 +01:00
ide.h
idle.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
inst.h
io.h MIPS: Fix ISA virt/bus conversion for non-zero PHYS_OFFSET 2018-07-30 10:27:28 -07:00
irq.h MIPS: Fix minimum alignment requirement of IRQ stack 2017-07-11 14:13:06 +02:00
irq_cpu.h
irq_gt641xx.h
irq_regs.h MIPS: Select CONFIG_HANDLE_DOMAIN_IRQ and make it work. 2016-05-13 14:01:40 +02:00
irqflags.h MIPS: Loongson-3: Introduce CONFIG_LOONGSON3_ENHANCEMENT 2016-05-13 14:02:15 +02:00
isa-rev.h MIPS: Introduce isa-rev.h to define MIPS_ISA_REV 2018-03-09 11:22:45 +00:00
isadep.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
jazz.h
jazzdma.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
jump_label.h MIPS: Fix kernel crash for R6 in jump label branch function 2019-03-27 14:14:39 +09:00
Kbuild mips: use asm-generic version of msi.h 2018-07-24 10:02:24 -07:00
kdebug.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
kexec.h MIPS: kexec: Relax memory restriction 2019-11-20 18:47:15 +01:00
kgdb.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
kmap_types.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
kprobes.h MIPS/kprobes: Remove jprobe implementation 2018-06-21 12:33:09 +02:00
kvm_host.h KVM: Call kvm_arch_memslots_updated() before updating memslots 2019-03-23 20:10:13 +01:00
kvm_para.h KVM: Introduce paravirtualization hints and KVM_HINTS_DEDICATED 2018-03-06 18:40:44 +01:00
linkage.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
llsc.h MIPS: Move definitions for 32/64-bit agonstic inline assembler to new file. 2016-05-09 12:00:05 +02:00
local.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
m48t37.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
maar.h Update MIPS email addresses 2017-11-03 09:02:30 -07:00
machine.h MIPS: generic: Fix machine compatible matching 2018-02-05 10:37:48 +00:00
mc146818-time.h MIPS: Convert read_persistent_clock() to read_persistent_clock64() 2018-05-14 23:58:23 +01:00
mc146818rtc.h
mips-cm.h Update MIPS email addresses 2017-11-03 09:02:30 -07:00
mips-cpc.h Update MIPS email addresses 2017-11-03 09:02:30 -07:00
mips-cps.h Update MIPS email addresses 2017-11-03 09:02:30 -07:00
mips-gic.h irqchip/mips-gic: Use the correct local interrupt map registers 2019-07-03 13:14:46 +02:00
mips-r2-to-r6-emul.h MIPS: traps: Correct the SIGTRAP debug ABI in do_watch' and do_trap_or_bp' 2016-04-03 12:32:09 +02:00
mips_machine.h
mips_mt.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mipsmtregs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mipsprom.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mipsregs.h MIPS: Ingenic: Disable broken BTB lookup optimization. 2019-10-07 18:57:06 +02:00
mmu.h MIPS: Expand MIPS32 ASIDs to 64 bits 2019-01-09 17:38:48 +01:00
mmu_context.h MIPS: Expand MIPS32 ASIDs to 64 bits 2019-01-09 17:38:48 +01:00
mmzone.h MIPS: Only include mmzone.h when CONFIG_NEED_MULTIPLE_NODES=y 2019-01-09 17:38:49 +01:00
module.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
msa.h MIPS: MSA: Update helpers to use new asm macros 2018-01-22 20:52:27 +00:00
msc01_ic.h
nile4.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
paccess.h MIPS: Apply `.insn' to fixup labels throughout 2014-11-24 07:45:36 +01:00
page.h MIPS: Allow auto-dection of ARCH_PFN_OFFSET & PHYS_OFFSET 2018-07-30 10:27:32 -07:00
pci.h PCI: remove PCI_DMA_BUS_IS_PHYS 2018-05-07 07:15:41 +02:00
perf_event.h
pgalloc.h MIPS: do not use __GFP_REPEAT for order-0 request 2017-07-12 16:26:03 -07:00
pgtable-32.h MIPS: mm: adjust PKMAP location 2017-06-08 14:51:58 +02:00
pgtable-64.h mips: fix build when "48 bits virtual memory" is enabled 2019-12-31 16:36:14 +01:00
pgtable-bits.h MIPS: Allow RIXI to be used on non-R2 or R6 cores 2016-05-13 15:30:25 +02:00
pgtable.h mips: use generic_pmdp_establish as pmdp_establish 2018-01-31 17:18:37 -08:00
pm-cps.h Update MIPS email addresses 2017-11-03 09:02:30 -07:00
pm.h
pmon.h
prefetch.h
processor.h MIPS: VDSO: Reduce VDSO_RANDOMIZE_SIZE to 64MB for 64bit 2018-11-13 11:08:14 -08:00
prom.h MIPS: prepare for user enabling of CONFIG_OF 2015-06-21 21:54:14 +02:00
ptrace.h MIPS: ptrace: Fix regs_return_value for kernel context 2016-10-12 14:34:45 +02:00
r4k-timer.h
r4kcache.h MIPS: c-r4k: Add r4k_blast_scache_node for Loongson-3 2019-01-09 17:38:47 +01:00
reboot.h
reg.h
regdef.h
rtlx.h
seccomp.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
serial.h MIPS: Add custom serial.h with BASE_BAUD override for generic kernel 2017-11-28 16:53:24 +01:00
setup.h mips: unify prom_putchar() declarations 2018-07-17 09:40:17 -07:00
sgialib.h mips: unify prom_putchar() declarations 2018-07-17 09:40:17 -07:00
sgiarcs.h MIPS: Fix misspellings in comments. 2016-04-03 12:32:09 +02:00
shmparam.h
sigcontext.h
signal.h Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-08-06 09:13:11 -04:00
sim.h MIPS: Remove nabi_no_regargs 2018-08-01 13:20:15 -07:00
smp-cps.h Update MIPS email addresses 2017-11-03 09:02:30 -07:00
smp-ops.h MIPS: CPS: Have asm/mips-cps.h include CM & CPC headers 2017-08-30 00:57:27 +02:00
smp.h MIPS: VDSO: Prevent use of smp_processor_id() 2018-07-27 19:36:16 -07:00
sni.h
socket.h
sparsemem.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
spinlock.h locking/arch: Remove dummy arch_{read,spin,write}_lock_flags() implementations 2017-10-10 11:50:19 +02:00
spinlock_types.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
spram.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
stackframe.h MIPS: Fix exception entry when CONFIG_EVA enabled 2017-10-31 23:49:33 +00:00
stackprotector.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
stacktrace.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
string.h
switch_to.h MIPS: Cleanup LLBit handling in switch_to 2017-01-03 16:34:42 +01:00
syscall.h mips: fix mips_get_syscall_arg o32 check 2018-12-08 12:59:07 +01:00
termios.h Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
thread_info.h MIPS: Avoid VDSO ABI breakage due to global register variable 2020-01-09 10:18:59 +01:00
time.h MIPS: Convert update_persistent_clock() to update_persistent_clock64() 2018-05-14 23:58:23 +01:00
timex.h
tlb.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tlbdebug.h MIPS: Refactor dumping of TLB registers for r3k/r4k 2015-09-03 12:07:45 +02:00
tlbex.h MIPS: Consistently declare TLB functions 2018-08-10 17:27:53 -07:00
tlbflush.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tlbmisc.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
topology.h MIPS: Abstract CPU core & VP(E) ID access through accessor functions 2017-08-30 00:57:26 +02:00
traps.h
txx9irq.h MIPS/IRQCHIP: Move irq_chip from arch/mips to drivers/irqchip. 2015-06-21 21:52:50 +02:00
txx9pio.h
txx9tmr.h
types.h MIPS: Remove now unused definition of phys_t. 2014-11-24 22:47:31 +01:00
uaccess.h MIPS: uaccess: Add micromips clobbers to bzero invocation 2018-04-18 22:02:29 +01:00
uasm.h MIPS: Add some instructions to uasm. 2017-06-28 12:22:39 +02:00
unistd.h trim __ARCH_WANT_SYS_OLD_GETRLIMIT 2017-05-27 15:38:02 -04:00
uprobes.h uprobes: remove function declarations from arch/{mips,s390} 2016-10-07 18:46:30 -07:00
vdso.h locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns to READ_ONCE()/WRITE_ONCE() 2017-10-25 11:01:08 +02:00
vga.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
vpe.h MIPS: MT: Remove "weak" from vpe_run() declaration 2015-08-26 15:23:40 +02:00
war.h
watch.h MIPS: Fix watchpoint restoration 2016-05-09 12:00:02 +02:00
wbflush.h
yamon-dt.h Update MIPS email addresses 2017-11-03 09:02:30 -07:00