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linux/arch/mips/include/asm
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Matt Redfearn 0054c0bca3 MIPS: Fix minimum alignment requirement of IRQ stack 
commit 5fdc66e046206306bf61ff2d626bfa52ca087f7b upstream.

Commit db8466c581cc ("MIPS: IRQ Stack: Unwind IRQ stack onto task
stack") erroneously set the initial stack pointer of the IRQ stack to a
value with a 4 byte alignment. The MIPS32 ABI requires that the minimum
stack alignment is 8 byte, and the MIPS64 ABIs(n32/n64) require 16 byte
minimum alignment. Fix IRQ_STACK_START such that it leaves space for the
dummy stack frame (containing interrupted task kernel stack pointer)
while also meeting minimum alignment requirements.

Fixes: db8466c581cc ("MIPS: IRQ Stack: Unwind IRQ stack onto task stack")
Reported-by: Darius Ivanauskas <dasilt@yahoo.com>
Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com>
Cc: Chris Metcalf <cmetcalf@mellanox.com>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Aaron Tomlin <atomlin@redhat.com>
Cc: Jason A. Donenfeld <jason@zx2c4.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/16760/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-10-21 17:21:33 +02:00
..
dec
DEC: Document the R4k MB ASIC mini interrupt controller
2014-06-04 22:50:41 +02:00
emma
…
fw
MIPS: Malta: Remove fw_memblock_t abstraction
2015-11-11 08:35:45 +01:00
ip32
…
lasat
…
mach-ar7
MIPS: Remove all the uses of custom gpio.h
2015-09-03 12:08:02 +02:00
mach-ath25
MIPS: Remove all the uses of custom gpio.h
2015-09-03 12:08:02 +02:00
mach-ath79
irqchip/ath79-cpu: Move the CPU IRQ driver from arch/mips/ath79/
2016-02-17 13:47:19 +00:00
mach-au1x00
MIPS: Spelling fix lets -> let's
2016-05-28 12:35:09 +02:00
mach-bcm47xx
MIPS: BCM47xx: Fetch board info directly in callback function
2015-11-11 08:36:57 +01:00
mach-bcm63xx
MIPS: BCM63xx: Fix typo
2016-05-28 12:35:06 +02:00
mach-bmips
MIPS: BMIPS: Add BCM6358 support
2016-05-13 14:02:09 +02:00
mach-cavium-octeon
MIPS: Octeon: mangle-port: fix build failure with VDSO code
2016-09-19 17:21:37 +02:00
mach-cobalt
MIPS: Correct `nofpu' non-functionality
2015-04-08 01:09:49 +02:00
mach-db1x00
MIPS: Alchemy: fold mach-db1xxx/db1x00 headers into board code
2014-03-26 23:09:21 +01:00
mach-dec
MIPS: DEC: Update CPU overrides
2015-06-21 21:52:44 +02:00
mach-emma2rh
MIPS: Create a common <asm/mach-generic/war.h>
2015-03-31 11:59:40 +02:00
mach-generic
MIPS: Adjust MIPS64 CAC_BASE to reflect Config.K0
2016-10-06 18:02:35 +02:00
mach-ip22
MIPS: Correct `nofpu' non-functionality
2015-04-08 01:09:49 +02:00
mach-ip27
MIPS: VDSO: avoid duplicate CAC_BASE definition
2017-03-18 19:14:27 +08:00
mach-ip28
MIPS: IP28: Fix/clean spaces.h
2014-08-26 02:18:58 +02:00
mach-ip32
MIPS: IP32: Fix typo
2016-05-28 12:35:07 +02:00
mach-jazz
MIPS: DMA: Implement platform hook to perform post-DMA cache flushes.
2015-04-01 17:22:01 +02:00
mach-jz4740
Merge tag 'for-linus-20160523' of git://git.infradead.org/linux-mtd
2016-05-24 11:00:20 -07:00
mach-lantiq
MIPS: Spelling fix lets -> let's
2016-05-28 12:35:09 +02:00
mach-lasat
MIPS: Create a common <asm/mach-generic/war.h>
2015-03-31 11:59:40 +02:00
mach-loongson32
MIPS: Add RTC support for Loongson1C board
2016-10-04 16:13:57 +02:00
mach-loongson64
treewide: remove redundant #include <linux/kconfig.h>
2016-10-11 15:06:33 -07:00
mach-malta
MIPS: Add definitions of SegCtl registers and use them
2016-05-28 12:35:04 +02:00
mach-netlogic
MIPS: Netlogic: Move cores per node out of multi-node.h
2015-04-01 17:21:50 +02:00
mach-paravirt
MIPS: paravirt: Fix undefined reference to smp_bootstrap
2016-09-13 16:45:15 +02:00
mach-pic32
MIPS: Add support for PIC32MZDA platform
2016-01-24 02:53:28 +01:00
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
mips: mt7620: fallback to SDRAM when syscfg0 does not have a valid value for the memory type
2016-05-13 15:39:43 +02:00
mach-rc32434
MIPS: Remove all the uses of custom gpio.h
2015-09-03 12:08:02 +02:00
mach-rm
MIPS: Correct `nofpu' non-functionality
2015-04-08 01:09:49 +02:00
mach-sibyte
MIPS: SB1: Remove support for Pass 1 parts.
2015-07-14 21:47:34 +02:00
mach-tx39xx
MIPS: Create a common <asm/mach-generic/war.h>
2015-03-31 11:59:40 +02:00
mach-tx49xx
MIPS: Replace use of phys_t with phys_addr_t.
2014-11-24 22:47:31 +01:00
mach-vr41xx
MIPS: Create a common <asm/mach-generic/war.h>
2015-03-31 11:59:40 +02:00
mach-xilfpga
MIPS: xilfpga: Add mipsfpga platform code
2015-11-11 08:38:44 +01:00
mips-boards
MIPS: SEAD3: Probe EHCI controller using DT
2016-10-05 01:31:20 +02:00
netlogic
genirq: Remove irq argument from irq flow handlers
2015-09-16 15:47:51 +02:00
octeon
MIPS: Octeon: Delete unused cvmx-mdio.h
2016-10-04 16:13:57 +02:00
pci
MIPS: Fix misspellings in comments.
2016-04-03 12:32:09 +02:00
sgi
MIPS: IP22/IP28: Fix typo
2016-05-28 12:35:08 +02:00
sibyte
MIPS: BCM1480: bcm1480_regs.h: strip redundant comments
2016-05-13 14:02:13 +02:00
sn
MIPS: Fix misspellings in comments.
2016-04-03 12:32:09 +02:00
txx9
…
vr41xx
…
xtalk
MIPS: Xtalk: Update xwidget.h with known Xtalk device numbers
2015-06-21 21:54:21 +02:00
abi.h
MIPS: Initial implementation of a VDSO
2015-11-11 08:36:36 +01:00
addrspace.h
MIPS: Adjust MIPS64 CAC_BASE to reflect Config.K0
2016-10-06 18:02:35 +02:00
amon.h
MIPS: APRP: Code formatting clean-ups.
2014-01-22 20:19:02 +01:00
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.h
MIPS: Fix gigaton of warning building with microMIPS.
2014-03-31 18:17:12 +02:00
asmmacro-32.h
Merge branch '4.1-fp' into mips-for-linux-next
2015-04-13 16:01:37 +02:00
asmmacro-64.h
…
asmmacro.h
MIPS: Add a missing ".set pop" in an early commit
2016-09-13 17:25:11 +02:00
atomic.h
locking/atomic, arch/mips: Convert to _relaxed atomics
2016-06-16 10:48:34 +02:00
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: Move definitions for 32/64-bit agonstic inline assembler to new file.
2016-05-09 12:00:05 +02:00
bitrev.h
MIPS: Implement __arch_bitrev* using bitswap for MIPSr6
2016-05-13 14:02:17 +02:00
bmips-spaces.h
MIPS: BMIPS: Define BMIPS_FIXADDR_TOP in asm/bmips-spaces.h
2015-06-21 21:53:30 +02:00
bmips.h
MIPS: BMIPS: Add early CPU initialization code
2016-05-13 14:01:55 +02:00
bootinfo.h
MIPS: store the appended dtb address in a variable
2016-08-02 14:00:16 +02:00
branch.h
MIPS: Fix unaligned PC interpretation in `compute_return_epc'
2017-07-27 15:08:04 -07:00
break.h
…
bug.h
…
bugs.h
…
cache.h
…
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 special case in 64 bit IP checksumming.
2017-03-12 06:41:39 +01:00
clock.h
MIPS: Remove declaration of obsolete arch_init_clk_ops()
2014-11-24 07:45:37 +01:00
clocksource.h
MIPS: VDSO: Add implementations of gettimeofday() and clock_gettime()
2015-11-11 08:36:41 +01:00
cmp.h
MIPS: SMP: Remove plat_smp_ops cpus_done method.
2014-05-27 11:06:42 +02:00
cmpxchg.h
arch: Remove __ARCH_HAVE_CMPXCHG
2015-05-13 10:55:42 +02:00
compat-signal.h
…
compat.h
MIPS: Clean up compat_siginfo_t
2015-11-12 11:35:47 +01:00
compiler.h
MIPS: Use the new "ZC" constraint for MIPS R6
2015-02-17 15:37:21 +00:00
cop2.h
MIPS: Prevent compiler warning from cop2_{save,restore}
2014-10-23 19:58:13 +02:00
cpu-features.h
lib/GCD.c: use binary GCD algorithm instead of Euclidean
2016-05-20 17:58:30 -07:00
cpu-info.h
MIPS: Add probing & defs for VZ & guest features
2016-05-13 15:30:25 +02:00
cpu-type.h
MIPS: Add CPU support for Loongson1C
2016-10-04 16:13:57 +02:00
cpu.h
MIPS: Add CPU support for Loongson1C
2016-10-04 16:13:57 +02:00
debug.h
MIPS: Declare mips_debugfs_dir in a header
2015-10-26 09:49:42 +01:00
delay.h
…
device.h
MIPS: Support per-device DMA coherence
2016-10-06 18:02:01 +02:00
div64.h
…
dma-coherence.h
MIPS: Support per-device DMA coherence
2016-10-06 18:02:01 +02:00
dma-mapping.h
MIPS: Support per-device DMA coherence
2016-10-06 18:02:01 +02:00
dma.h
…
ds1287.h
…
dsemul.h
MIPS: Use per-mm page to execute branch delay slot instructions
2016-08-02 09:28:53 +02:00
dsp.h
…
edac.h
EDAC: Cleanup atomic_scrub mess
2015-05-28 15:31:53 +02:00
elf.h
MIPS: non-exec stack & heap when non-exec PT_GNU_STACK is present
2016-08-02 09:29:27 +02:00
errno.h
…
eva.h
MIPS: EVA: Add new EVA header
2014-08-26 02:18:56 +02:00
exec.h
…
extable.h
mips: separate extable.h, switch module.h to it
2016-10-05 18:36:18 -04:00
fb.h
…
fixmap.h
MIPS: MT: Remove SMTC support
2014-05-24 00:07:01 +02:00
floppy.h
…
fpregdef.h
MIPS: Fix build with binutils 2.24.51+
2014-11-07 15:07:36 +01:00
fpu_emulator.h
MIPS: Fix FCSR Cause bit handling for correct SIGFPE issue
2016-11-04 01:28:41 +01:00
fpu.h
MIPS: Fix FPU disable with preemption
2016-02-01 23:36:38 +01:00
ftrace.h
MIPS: ftrace: Fix a microMIPS build problem
2014-10-24 02:38:33 +02:00
futex.h
MIPS: asm: futex: Set the appropriate ISA level for MIPS R6
2015-02-17 15:37:23 +00:00
gio_device.h
MIPS: ip22-gio: Remove legacy suspend/resume support
2015-02-20 13:30:55 +01:00
gt64120.h
…
hardirq.h
…
hazards.h
MIPS: hazards.h: Fix typo
2016-05-28 12:35:06 +02:00
highmem.h
MIPS: highmem: Turn flush_cache_kmaps into a no-op.
2016-05-13 14:01:38 +02:00
hpet.h
MIPS: Loongson-3: Add RS780/SBX00 HPET support
2014-11-24 07:45:02 +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
irqchip: i8259: Remove unused i8259A_irq_pending
2016-10-06 17:31:00 +02:00
ide.h
…
idle.h
cpuidle: Invert CPUIDLE_FLAG_TIME_VALID logic
2014-11-12 21:17:27 +01:00
inst.h
…
io.h
MIPS: Loongson-3: Introduce CONFIG_LOONGSON3_ENHANCEMENT
2016-05-13 14:02:15 +02:00
irq_cpu.h
MIPS: Rename mips_cpu_intc_init() -> mips_cpu_irq_of_init()
2014-11-24 07:44:52 +01:00
irq_gt641xx.h
…
irq_regs.h
MIPS: Select CONFIG_HANDLE_DOMAIN_IRQ and make it work.
2016-05-13 14:01:40 +02:00
irq.h
MIPS: Fix minimum alignment requirement of IRQ stack
2017-10-21 17:21:33 +02:00
irqflags.h
MIPS: Loongson-3: Introduce CONFIG_LOONGSON3_ENHANCEMENT
2016-05-13 14:02:15 +02:00
isadep.h
…
jazz.h
…
jazzdma.h
…
jump_label.h
locking/static_keys: Add a new static_key interface
2015-08-03 11:34:15 +02:00
Kbuild
MIPS: Use generic clkdev.h header
2016-05-13 14:01:58 +02:00
kdebug.h
MIPS: Add uprobes support.
2015-09-03 12:08:05 +02:00
kexec.h
mips/panic: replace smp_send_stop() with kdump friendly version in panic path
2016-10-11 15:06:32 -07:00
kgdb.h
MIPS: Get rid of 'kgdb_early_setup' cruft.
2015-06-21 21:54:10 +02:00
kmap_types.h
…
kprobes.h
…
kvm_host.h
KVM: MIPS: Precalculate MMIO load resume PC
2016-10-26 13:43:55 +02:00
kvm_para.h
MIPS: Add functions for hypervisor call
2014-05-30 21:01:11 +02:00
linkage.h
MIPS: Remove "__weak" definition from arch-specific linkage.h
2015-09-03 12:07:39 +02:00
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
MIPS: asm: local: Set the appropriate ISA level for MIPS R6
2015-02-17 15:37:24 +00:00
m48t37.h
…
maar.h
MIPS: Initialise MAARs on secondary CPUs
2015-09-27 14:15:26 +02:00
machine.h
MIPS: generic: Introduce generic DT-based board support
2016-10-06 18:04:04 +02:00
mc146818-time.h
…
mc146818rtc.h
…
mips_machine.h
…
mips_mt.h
MIPS: MT: Fix typo
2016-05-28 12:35:07 +02:00
mips-cm.h
MIPS: pm-cps: Support CM3 changes to Coherence Enable Register
2016-10-04 16:13:57 +02:00
mips-cpc.h
MIPS: CPC: Add start, stop and running CM3 CPC registers
2016-05-13 14:01:48 +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
mipsmtregs.h
MIPS: MT: define write_c0_tchalt macro
2014-05-28 16:20:22 +01:00
mipsprom.h
…
mipsregs.h
MIPS: Mask out limit field when calculating wired entry count
2016-11-24 16:44:16 +01:00
mmu_context.h
MIPS: Use per-mm page to execute branch delay slot instructions
2016-08-02 09:28:53 +02:00
mmu.h
MIPS: Use per-mm page to execute branch delay slot instructions
2016-08-02 09:28:53 +02:00
mmzone.h
…
module.h
mips: separate extable.h, switch module.h to it
2016-10-05 18:36:18 -04:00
msa.h
MIPS: Fix MSA asm warnings in control reg accessors
2016-07-24 12:45:00 +02:00
msc01_ic.h
…
nile4.h
mips: Update the email address of Geert Uytterhoeven
2014-06-02 16:34:41 +02:00
paccess.h
MIPS: Apply `.insn' to fixup labels throughout
2014-11-24 07:45:36 +01:00
page.h
treewide: replace config_enabled() with IS_ENABLED() (2nd round)
2016-08-26 17:39:35 -07:00
pci.h
MIPS: PCI: Introduce CONFIG_PCI_DRIVERS_LEGACY
2016-10-06 18:00:05 +02:00
perf_event.h
…
pgalloc.h
MIPS: Squash lines for simple wrapper functions
2016-10-04 16:13:57 +02:00
pgtable-32.h
MIPS: mm: Fix MIPS32 36b physical addressing (alchemy, netlogic)
2016-05-13 15:30:25 +02:00
pgtable-64.h
MIPS64: Support of at least 48 bits of SEGBITS
2016-05-13 14:02:16 +02:00
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
mm: move phys_mem_access_prot_allowed() declaration to pgtable.h
2016-10-07 18:46:29 -07:00
pm-cps.h
MIPS: pm-cps: Add MIPSr6 CPU support
2016-10-04 16:13:57 +02:00
pm.h
Merge branch 'wip-mips-pm' of https://github.com/paulburton/linux into mips-for-linux-next
2014-05-29 15:08:23 +02:00
pmon.h
…
prefetch.h
…
processor.h
MIPS: Use per-mm page to execute branch delay slot instructions
2016-08-02 09:28:53 +02:00
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: Fix protected_writeback_scache_line for EVA
2016-07-29 10:19:29 +02:00
reboot.h
…
reg.h
MIPS: asm/reg.h: Move to uapi
2014-08-02 00:06:38 +02:00
regdef.h
…
rtlx.h
MIPS: APRP: Code formatting clean-ups.
2014-01-22 20:19:02 +01:00
seccomp.h
tree-wide: replace config_enabled() with IS_ENABLED()
2016-08-04 08:50:07 -04:00
setup.h
MIPS: KVM: Don't hardcode restored HWREna
2016-06-15 23:58:31 +02:00
sgialib.h
MIPS: ARC: Add declarations for a few missing ARC firmware functions.
2015-01-13 16:04:28 +01:00
sgiarcs.h
MIPS: Fix misspellings in comments.
2016-04-03 12:32:09 +02:00
shmparam.h
…
sigcontext.h
Revert "MIPS: Save/restore MSA context around signals"
2014-06-26 10:48:18 +01:00
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
…
smp-cps.h
MIPS: smp-cps: Pull boot config retrieval out of mips_cps_boot_vpes
2016-05-13 14:01:50 +02:00
smp-ops.h
MIPS: Make smp CMP, CPS and MT use the new generic IPI functions
2016-02-25 10:56:58 +01:00
smp.h
MIPS: smp.c: Introduce mechanism for freeing and allocating IPIs
2016-10-05 01:31:20 +02:00
sni.h
…
socket.h
…
sparsemem.h
MIPS: Add NUMA support for Loongson-3
2014-07-30 21:46:19 +02:00
spinlock_types.h
…
spinlock.h
MIPS: End spinlocks with .insn
2017-04-12 12:41:14 +02:00
spram.h
MIPS: asm: spram: Add new symbol for MIPS scratch pad storage
2015-02-17 15:37:20 +00:00
stackframe.h
MIPS: Only change $28 to thread_info if coming from user mode
2017-04-18 07:11:48 +02:00
stackprotector.h
…
stacktrace.h
…
string.h
…
switch_to.h
MIPS: Fix FCSR Cause bit handling for correct SIGFPE issue
2016-11-04 01:28:41 +01:00
syscall.h
tree-wide: replace config_enabled() with IS_ENABLED()
2016-08-04 08:50:07 -04:00
termios.h
…
thread_info.h
MIPS: Add uprobes support.
2015-09-03 12:08:05 +02:00
time.h
MIPS: Remove "weak" from get_c0_compare_int() declaration
2015-09-03 12:07:38 +02:00
timex.h
MIPS: Implement random_get_entropy with CP0 Random
2014-05-30 18:21:30 +02:00
tlb.h
MIPS: Mask out limit field when calculating wired entry count
2016-11-24 16:44:16 +01:00
tlbdebug.h
MIPS: Refactor dumping of TLB registers for r3k/r4k
2015-09-03 12:07:45 +02:00
tlbflush.h
…
tlbmisc.h
…
topology.h
sched/topology: Rename topology_thread_cpumask() to topology_sibling_cpumask()
2015-05-27 15:22:15 +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
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
2016-10-15 09:26:12 -07:00
uasm.h
MIPS: uasm: Add MTHI/MTLO instructions
2016-07-05 16:08:35 +02:00
unaligned.h
…
unistd.h
sys_sgetmask/sys_ssetmask: add CONFIG_SGETMASK_SYSCALL
2014-06-04 16:54:14 -07:00
uprobes.h
uprobes: remove function declarations from arch/{mips,s390}
2016-10-07 18:46:30 -07:00
vdso.h
MIPS: VDSO: Add implementations of gettimeofday() and clock_gettime()
2015-11-11 08:36:41 +01:00
vga.h
…
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
…