linux_dsm_epyc7002/arch/arm64
Julien Thierry 1f9b8936f3 arm64: Decode information from ESR upon mem faults
When receiving unhandled faults from the CPU, description is very sparse.
Adding information about faults decoded from ESR.

Added defines to esr.h corresponding ESR fields. Values are based on ARM
Archtecture Reference Manual (DDI 0487B.a), section D7.2.28 ESR_ELx, Exception
Syndrome Register (ELx) (pages D7-2275 to D7-2280).

New output is of the form:
[   77.818059] Mem abort info:
[   77.820826]   Exception class = DABT (current EL), IL = 32 bits
[   77.826706]   SET = 0, FnV = 0
[   77.829742]   EA = 0, S1PTW = 0
[   77.832849] Data abort info:
[   77.835713]   ISV = 0, ISS = 0x00000070
[   77.839522]   CM = 0, WnR = 1

Signed-off-by: Julien Thierry <julien.thierry@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
[catalin.marinas@arm.com: fix "%lu" in a pr_alert() call]
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2017-08-07 09:58:33 +01:00
..
boot Allwinner fixes for 4.13 2017-08-04 13:04:42 +02:00
configs arm64: defconfig: enable missing HWSPINLOCK 2017-07-27 23:09:54 -05:00
crypto crypto: arm64/sha - avoid non-standard inline asm tricks 2017-05-18 13:19:52 +08:00
include arm64: Decode information from ESR upon mem faults 2017-08-07 09:58:33 +01:00
kernel arm64: Abstract syscallno manipulation 2017-08-07 09:58:33 +01:00
kvm KVM: arm/arm64: PMU: Fix overflow interrupt injection 2017-07-25 14:18:01 +01:00
lib arm64/lib: copy_page: use consistent prefetch stride 2017-07-25 10:04:42 +01:00
mm arm64: Decode information from ESR upon mem faults 2017-08-07 09:58:33 +01:00
net arm64 updates for 4.13: 2017-07-05 17:09:27 -07:00
xen xen/privcmd: Add IOCTL_PRIVCMD_DM_OP 2017-02-14 15:13:43 -05:00
Kconfig include/linux/string.h: add the option of fortified string.h functions 2017-07-12 16:26:03 -07:00
Kconfig.debug arm64: relocation testing module 2017-04-04 17:03:32 +01:00
Kconfig.platforms ARM: SoC 64-bit changes 2017-07-04 14:53:26 -07:00
Makefile arm64: pass endianness info to sparse 2017-06-26 10:15:06 +01:00