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linux-stable/arch/powerpc
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Benjamin Herrenschmidt 8f5ca0b319 powerpc/mm: Cleanup check for stack expansion 
When hitting below a VM_GROWSDOWN vma (typically growing the stack),
we check whether it's a valid stack-growing instruction and we
check the distance to GPR1. This is largely open coded with lots
of comments, so move it out to a helper.

While at it, make store_update_sp a boolean.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2017-08-03 16:06:51 +10:00
..
boot powerpc updates for 4.13 2017-07-07 13:55:45 -07:00
configs powerpc/configs: Add a powernv_be_defconfig 2017-07-31 16:56:37 +10:00
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2017-05-02 15:53:46 -07:00
include powerpc/mm: Update definitions of DSISR bits 2017-08-03 16:06:43 +10:00
kernel powerpc/mm: Use symbolic constants for filtering SRR1 bits on ISIs 2017-08-03 16:06:44 +10:00
kvm powerpc/mm: Update definitions of DSISR bits 2017-08-03 16:06:43 +10:00
lib powerpc fixes for 4.13 #2 2017-07-14 15:33:15 -07:00
math-emu
mm powerpc/mm: Cleanup check for stack expansion 2017-08-03 16:06:51 +10:00
net bpf: Add jited_len to struct bpf_prog 2017-06-06 15:41:24 -04:00
oprofile
perf powerpc/perf: Add thread IMC PMU support 2017-07-25 22:55:46 +10:00
platforms powerpc/powernv: Clear PECE1 in LPCR via stop-api only on Hotplug 2017-08-01 21:01:28 +10:00
purgatory kexec, x86/purgatory: Unbreak it and clean it up 2017-03-10 20:55:09 +01:00
sysdev powerpc/ipic: Support edge on IRQ0 2017-07-24 21:20:31 +10:00
tools powerpc/64: Tool to check head sections location sanity 2017-05-30 14:59:51 +10:00
xmon powerpc/xmon: Add patch_instruction() support for xmon 2017-07-03 23:12:19 +10:00
Kconfig include/linux/string.h: add the option of fortified string.h functions 2017-07-12 16:26:03 -07:00
Kconfig.debug
Makefile powerpc/configs: Add a powernv_be_defconfig 2017-07-31 16:56:37 +10:00
Makefile.postlink powerpc/64: Tool to check head sections location sanity 2017-05-30 14:59:51 +10:00