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e22a22740c
linux_dsm_epyc7002/arch/powerpc/kernel
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Mahesh Salgaonkar e22a22740c powerpc/book3s: Flush SLB/TLBs if we get SLB/TLB machine check errors on power7. 
If we get a machine check exception due to SLB or TLB errors, then flush
SLBs/TLBs and reload SLBs to recover. We do this in real mode before turning
on MMU. Otherwise we would run into nested machine checks.

If we get a machine check when we are in guest, then just flush the
SLBs and continue. This patch handles errors for power7. The next
patch will handle errors for power8

Signed-off-by: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2013-12-05 16:04:39 +11:00
..
vdso32 powerpc/8xx: mfspr SPRN_TBRx in lieu of mftb/mftbu is not supported 2013-11-22 16:56:48 -06:00
vdso64 powerpc: Wrong DWARF CFI in the kernel vdso for little-endian / ELFv2 2013-11-21 09:19:23 +11:00
.gitignore
align.c powerpc: Enable Little Endian Alignment Handler for Float Pair Instructions 2013-10-30 16:01:23 +11:00
asm-offsets.c powerpc/book3s: handle machine check in Linux host. 2013-12-05 16:02:06 +11:00
audit.c
btext.c powerpc/btext: Fix CONFIG_PPC_EARLY_DEBUG_BOOTX on ppc32 2013-08-27 16:01:23 +10:00
cacheinfo.c powerpc: Make device tree accesses in cache info code endian safe 2013-08-14 15:33:27 +10:00
cacheinfo.h
clock.c powerpc: various straight conversions from module.h --> export.h 2011-10-31 19:30:44 -04:00
compat_audit.c
cpu_setup_6xx.S powerpc: Fix some 6xx/7xxx CPU setup functions 2011-02-07 12:57:11 +11:00
cpu_setup_44x.S powerpc/44x: Add support for the AMCC APM821xx SoC 2010-10-13 08:47:09 -04:00
cpu_setup_a2.S powerpc: Enforce usage of RA 0-R31 where possible 2012-07-10 19:18:35 +10:00
cpu_setup_fsl_booke.S powerpc/85xx: Add machine check handler to fix PCIe erratum on mpc85xx 2013-07-30 15:50:07 -05:00
cpu_setup_pa6t.S
cpu_setup_power.S powerpc/book3s: Add flush_tlb operation in cpu_spec. 2013-12-05 16:04:38 +11:00
cpu_setup_ppc970.S powerpc, KVM: Split HVMODE_206 cpu feature bit into separate HV and architecture bits 2011-07-12 13:16:58 +03:00
cputable.c powerpc/book3s: Flush SLB/TLBs if we get SLB/TLB machine check errors on power7. 2013-12-05 16:04:39 +11:00
crash_dump.c powerpc: Remove savemaxmem parameter setup 2013-07-03 16:08:03 -07:00
crash.c Disintegrate asm/system.h for PowerPC 2012-03-28 18:30:02 +01:00
dbell.c powerpc: Add accounting for Doorbell interrupts 2013-04-18 15:59:55 +10:00
dma-iommu.c powerpc/dma-iommu: Fix IOMMU window check 2012-08-24 20:26:07 +10:00
dma-swiotlb.c powerpc/swiotlb: Enable at early stage and disable if not necessary 2012-09-12 14:57:09 -05:00
dma.c powerpc/kernel: Remove uses of abs_to_virt() and virt_to_abs() 2012-09-05 15:19:30 +10:00
eeh_cache.c powerpc/eeh: Remove reference to PCI device 2013-07-24 14:18:46 +10:00
eeh_dev.c powerpc/eeh: Move common part to kernel directory 2013-06-20 17:05:35 +10:00
eeh_driver.c powerpc/eeh: Fix unbalanced enable for IRQ 2013-07-24 14:18:49 +10:00
eeh_event.c powerpc/eeh: More accurate log 2013-11-21 10:33:36 +11:00
eeh_pe.c powerpc/eeh: Don't use pci_dev during BAR restore 2013-07-24 14:18:49 +10:00
eeh_sysfs.c powerpc/eeh: Introdce flag to protect sysfs 2013-07-24 14:18:49 +10:00
eeh.c powerpc/eeh: Enable PCI_COMMAND_MASTER for PCI bridges 2013-11-21 10:33:35 +11:00
entry_32.S powerpc/32bit:Store temporary result in r0 instead of r8 2013-06-01 08:29:27 +10:00
entry_64.S powerpc: Fix fatal SLB miss when restoring PPR 2013-11-06 14:13:53 +11:00
epapr_hcalls.S powerpc: Add paravirt idle loop for 64-bit Book-E 2013-03-13 14:19:36 -05:00
epapr_paravirt.c powerpc: add explicit OF includes 2013-10-09 20:04:11 -05:00
exceptions-64e.S powerpc/booke64: Use common defines for AltiVec interrupts numbers 2013-10-16 18:46:40 -05:00
exceptions-64s.S powerpc/book3s: Return from interrupt if coming from evil context. 2013-12-05 16:04:36 +11:00
fadump.c mm/ppc: use common help functions to free reserved pages 2013-04-29 15:54:30 -07:00
firmware.c powerpc: fix implicit use of cache.h in kernel/firmware.c 2011-10-31 19:30:41 -04:00
fpu.S powerpc: Don't corrupt user registers on 32-bit 2013-10-23 22:34:19 +11:00
fsl_booke_entry_mapping.S powerpc/fsl-booke: Fix address issue when using relocatable kernels 2010-07-11 11:04:08 -05:00
ftrace.c powerpc: Make ftrace endian-safe. 2013-10-11 16:53:26 +11:00
head_8xx.S powerpc/8xx: Fixing issue with CONFIG_PIN_TLB 2013-10-28 21:11:21 -05:00
head_32.S powerpc: Call do_page_fault() with interrupts off 2012-03-09 10:55:08 +11:00
head_40x.S powerpc: Remove the empty giveup_fpu() function on 32bit kernel 2013-08-14 14:59:50 +10:00
head_44x.S powerpc: Remove the empty giveup_fpu() function on 32bit kernel 2013-08-14 14:59:50 +10:00
head_64.S powerpc: Endian safe trampoline 2013-10-11 16:48:34 +11:00
head_booke.h powerpc: Fix interrupt range check on debug exception 2013-05-02 10:31:01 +10:00
head_fsl_booke.S powerpc/fsl-booke: Use common defines for SPE/FP interrupts numbers 2013-10-16 18:49:44 -05:00
hw_breakpoint.c powerpc/hw_brk: Fix off by one error when validating DAWR region end 2013-07-02 08:20:49 +10:00
ibmebus.c PPC: ibmebus: convert bus code to use bus_groups 2013-09-26 15:49:42 -07:00
idle_6xx.S powerpc: Use CURRENT_THREAD_INFO instead of open coded assembly 2012-07-11 14:18:22 +10:00
idle_book3e.S powerpc: Add paravirt idle loop for 64-bit Book-E 2013-03-13 14:19:36 -05:00
idle_e500.S powerpc: Use CURRENT_THREAD_INFO instead of open coded assembly 2012-07-11 14:18:22 +10:00
idle_power4.S powerpc: Use CURRENT_THREAD_INFO instead of open coded assembly 2012-07-11 14:18:22 +10:00
idle_power7.S powerpc/book3s: Return from interrupt if coming from evil context. 2013-12-05 16:04:36 +11:00
idle.c powerpc/idle: Convert use of typedef ctl_table to struct ctl_table 2013-07-01 11:10:35 +10:00
io-workarounds.c powerpc: Better split CONFIG_PPC_INDIRECT_PIO and CONFIG_PPC_INDIRECT_MMIO 2013-08-14 14:57:50 +10:00
io.c powerpc/powernv: Add PIO accessors for Power8 LPC bus 2013-08-14 14:58:08 +10:00
iomap.c powerpc: switch to GENERIC_PCI_IOMAP 2011-11-28 21:13:18 +02:00
iommu.c powerpc/iommu: Use GFP_KERNEL instead of GFP_ATOMIC in iommu_init_table() 2013-10-03 17:24:44 +10:00
irq.c powerpc: Make irq_stat.timers_irqs counting more specific 2013-12-02 14:14:50 +11:00
isa-bridge.c POWERPC: drivers: remove __dev* attributes. 2013-01-03 15:57:04 -08:00
jump_label.c powerpc: Fix build breakage in jump_label.c 2011-11-16 14:25:19 +11:00
kgdb.c powerpc/kgdb: use DEFINE_PER_CPU to allocate kgdb's thread_info 2013-10-18 18:38:10 -05:00
kprobes.c doc: typo on word accounting in kprobes.c in mutliple architectures 2013-10-14 15:46:39 +02:00
kvm_emul.S KVM: PPC: Not optimizing MSR_CE and MSR_ME with paravirt. 2012-05-30 11:43:11 +02:00
kvm.c mm: enhance free_reserved_area() to support poisoning memory with zero 2013-07-03 16:07:32 -07:00
l2cr_6xx.S Fix common misspellings 2011-03-31 11:26:23 -03:00
legacy_serial.c powerpc/legacy_serial: Fix incorrect placement of __initdata tag 2013-10-11 16:48:59 +11:00
machine_kexec_32.c treewide: convert uses of ATTRIB_NORETURN to __noreturn 2012-01-12 20:13:03 -08:00
machine_kexec_64.c powerpc/kexec: kexec_sequence() is in misc_64.S 2013-10-30 16:02:18 +11:00
machine_kexec.c powerpc/kdump: Adding symbols in vmcoreinfo to facilitate dump filtering 2013-11-25 11:50:12 +11:00
Makefile powerpc/book3s: Flush SLB/TLBs if we get SLB/TLB machine check errors on power7. 2013-12-05 16:04:39 +11:00
mce_power.c powerpc/book3s: Flush SLB/TLBs if we get SLB/TLB machine check errors on power7. 2013-12-05 16:04:39 +11:00
misc_32.S powerpc: purge all the prefetched instructions for the coherent icache flush 2013-12-02 14:13:47 +11:00
misc_64.S powerpc: purge all the prefetched instructions for the coherent icache flush 2013-12-02 14:13:47 +11:00
misc.S powerpc: switch to generic sys_execve()/kernel_execve() 2012-09-30 23:35:51 -04:00
module_32.c powerpc: Move local setup.h declarations to arch includes 2013-10-30 16:00:31 +11:00
module_64.c powerpc: Move local setup.h declarations to arch includes 2013-10-30 16:00:31 +11:00
module.c powerpc: Move local setup.h declarations to arch includes 2013-10-30 16:00:31 +11:00
msi.c
nvram_64.c arch/powerpc/kernel: Use %12.12s instead of %12s to avoid memory overflow 2013-11-25 11:50:57 +11:00
of_platform.c powerpc/eeh: Fix crash when adding a device in a slot with DDW 2013-01-10 17:01:58 +11:00
paca.c powerpc: Fix section mismatch warning in free_lppacas 2013-10-11 16:49:26 +11:00
pci_32.c powerpc/pci: Support per-aperture memory offset 2013-05-06 13:40:40 +10:00
pci_64.c powerpc/pci: Don't use bitfield for force_32bit_msi 2013-08-14 11:50:25 +10:00
pci_dn.c powerpc: Make PCI device node device tree accesses endian safe 2013-08-14 15:33:31 +10:00
pci_of_scan.c powerpc: Fix little endian issue in OF PCI scan 2013-10-30 16:01:04 +11:00
pci-common.c of/irq: simplify args to irq_create_of_mapping 2013-10-24 11:42:57 +01:00
pci-hotplug.c powerpc/pci: Partial tree hotplug support 2013-07-24 14:18:48 +10:00
pmc.c bug.h: add include of it to various implicit C users 2012-02-29 17:15:08 -05:00
ppc32.h powerpc: switch to generic old sigaction() 2013-02-03 18:16:10 -05:00
ppc_ksyms.c Merge branch 'for-kvm' into next 2013-10-11 18:23:53 +11:00
ppc_save_regs.S Fix common misspellings 2011-03-31 11:26:23 -03:00
proc_powerpc.c proc_powerpc: switch to fixed_size_llseek() 2013-06-29 12:57:50 +04:00
process.c Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2013-11-22 08:07:11 -08:00
prom_init_check.sh powerpc/pmac: Early debug output on screen on 64-bit macs 2013-08-14 14:57:40 +10:00
prom_init.c powerpc: prom_init exception when updating core value 2013-10-11 16:53:16 +11:00
prom_parse.c powerpc: of_parse_dma_window should take a __be32 *dma_window 2013-08-14 15:33:26 +10:00
prom.c powerpc: Make cpu_to_chip_id() available when SMP=n 2013-11-21 10:33:44 +11:00
ptrace32.c powerpc: move debug registers in a structure 2013-10-18 18:44:49 -05:00
ptrace.c powerpc: Set the NOTE type for SPE regset 2013-10-28 21:11:16 -05:00
reloc_32.S powerpc: Don't flush/invalidate the d/icache for an unknown relocation type 2013-07-01 11:10:34 +10:00
reloc_64.S
rtas_flash.c powerpc/rtas_flash: Fix validate_flash buffer overflow issue 2013-05-14 14:36:26 +10:00
rtas_pci.c powerpc/kernel: Fix endian issue in rtas_pci 2013-10-11 16:50:22 +11:00
rtas-proc.c powerpc: Move /proc/ppc64 to /proc/powerpc update 2010-01-15 13:26:17 +11:00
rtas-rtc.c powerpc/rtas-rtc: remove sideeffects of printk_ratelimit 2011-06-29 15:30:43 +10:00
rtas.c powerpc: Make RTAS calls endian safe 2013-08-14 15:33:22 +10:00
rtasd.c powerpc/pseries: Add /proc interface to control topology updates 2013-04-26 16:08:26 +10:00
setup_32.c powerpc: Move local setup.h declarations to arch includes 2013-10-30 16:00:31 +11:00
setup_64.c powerpc/book3s: Introduce exclusive emergency stack for machine check exception. 2013-12-05 16:02:05 +11:00
setup-common.c powerpc: Move local setup.h declarations to arch includes 2013-10-30 16:00:31 +11:00
signal_32.c powerpc/signals: Improved mark VSX not saved with small contexts fix 2013-11-25 11:50:51 +11:00
signal_64.c powerpc/signals: Improved mark VSX not saved with small contexts fix 2013-11-25 11:50:51 +11:00
signal.c powerpc/tm: Fix userspace stack corruption on signal delivery for active transactions 2013-06-01 08:29:23 +10:00
signal.h powerpc/tm: Fix userspace stack corruption on signal delivery for active transactions 2013-06-01 08:29:23 +10:00
smp-tbsync.c POWERPC: drivers: remove __dev* attributes. 2013-01-03 15:57:04 -08:00
smp.c powerpc: kernel: remove useless code which related with 'max_cpus' 2013-12-02 14:06:58 +11:00
stacktrace.c powerpc: various straight conversions from module.h --> export.h 2011-10-31 19:30:44 -04:00
suspend.c update email address 2010-07-19 10:56:54 +02:00
swsusp_32.S Fix common misspellings 2011-03-31 11:26:23 -03:00
swsusp_64.c Disintegrate asm/system.h for PowerPC 2012-03-28 18:30:02 +01:00
swsusp_asm64.S powerpc: Only save/restore SDR1 if in hypervisor mode 2013-10-31 12:37:29 +11:00
swsusp_booke.S powerpc/mpc85xx: invalidate TLB after hibernation resume 2013-07-30 15:50:08 -05:00
swsusp.c Disintegrate asm/system.h for PowerPC 2012-03-28 18:30:02 +01:00
sys_ppc32.c unify compat fanotify_mark(2), switch to COMPAT_SYSCALL_DEFINE 2013-05-09 13:46:38 -04:00
syscalls.c powerpc: Fix personality handling in ppc64_personality() 2012-08-24 20:26:07 +10:00
sysfs.c powerpc/kernel/sysfs: Cleanup set up macros for PMC/non-PMC SPRs 2013-12-02 14:16:04 +11:00
systbl_chk.c
systbl_chk.sh
systbl.S
tau_6xx.c
time.c powerpc: Make irq_stat.timers_irqs counting more specific 2013-12-02 14:14:50 +11:00
tm.S powerpc: Use 32 bit loads and stores when operating on condition register values 2013-10-30 16:02:14 +11:00
traps.c powerpc/book3s: Introduce a early machine check hook in cpu_spec. 2013-12-05 16:04:37 +11:00
udbg_16550.c powerpc/wsp: Fix early debug build 2013-08-16 10:59:27 +10:00
udbg.c powerpc: Add a configuration option for early BootX/OpenFirmware debug 2013-06-20 16:55:12 +10:00
uprobes.c uretprobes/powerpc: Hijack return address 2013-04-13 15:31:56 +02:00
vdso.c powerpc: Move local setup.h declarations to arch includes 2013-10-30 16:00:31 +11:00
vecemu.c powerpc: Put FP/VSX and VR state into structures 2013-10-11 17:26:49 +11:00
vector.S powerpc: Don't corrupt user registers on 32-bit 2013-10-23 22:34:19 +11:00
vio.c powerpc/vio: Fix a dma_mask issue of vio 2013-11-21 10:33:43 +11:00
vmlinux.lds.S powerpc/modules: Module CRC relocation fix causes perf issues 2013-07-24 14:18:43 +10:00