AuxXxilium/linux_dsm_epyc7002
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cc56939802
linux_dsm_epyc7002/arch/powerpc/sysdev
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Cédric Le Goater cc56939802 powerpc/xive: Clear XIVE internal structures when a CPU is removed 
Commit eac1e731b5 ("powerpc/xive: guest exploitation of the XIVE
interrupt controller") introduced support for the XIVE exploitation
mode of the P9 interrupt controller on the pseries platform.

At that time, support for CPU removal was not complete on PowerVM and
CPU hot unplug remained untested. It appears that some cleanups of the
XIVE internal structures are required before releasing the CPU,
without which the kernel crashes in a RTAS call doing the CPU
isolation.

These changes fix the crash by deconfiguring the IPI interrupt source
and clearing the event queues of the CPU when it is removed.

Fixes: eac1e731b5 ("powerpc/xive: guest exploitation of the XIVE interrupt controller")
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2017-10-04 22:01:57 +11:00
..
ge powerpc: Remove all usages of NO_IRQ 2016-09-20 20:57:12 +10:00
xics powerpc/powernv: Fix oops on P9 DD1 in cause_ipi() 2017-04-26 23:28:12 +10:00
xive powerpc/xive: Clear XIVE internal structures when a CPU is removed 2017-10-04 22:01:57 +11:00
6xx-suspend.S powerpc: Use CURRENT_THREAD_INFO instead of open coded assembly 2012-07-11 14:18:22 +10:00
axonram.c Merge branch 'for-4.14/block' of git://git.kernel.dk/linux-block 2017-09-07 11:59:42 -07:00
cpm1.c powerpc/8xx: Adding support of IRQ in MPC8xx GPIO 2017-05-02 22:35:00 -05:00
cpm2_pic.c powerpc/cpm2: Use irq_set_handler_locked() 2015-09-16 15:43:10 +02:00
cpm2_pic.h powerpc/cpm2: Checkpatch cleanup 2010-03-04 10:43:58 -06:00
cpm2.c soc/fsl/qe: fix Oops on CPM1 (and likely CPM2) 2016-09-25 02:38:52 -05:00
cpm_common.c soc/fsl/qe: fix Oops on CPM1 (and likely CPM2) 2016-09-25 02:38:52 -05:00
dart_iommu.c dma-mapping: use unsigned long for dma_attrs 2016-08-04 08:50:07 -04:00
dart.h
dcr-low.S ppc: move exports to definitions 2016-08-07 23:50:09 -04:00
dcr.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
ehv_pic.c powerpc: Remove all usages of NO_IRQ 2016-09-20 20:57:12 +10:00
fsl_85xx_cache_ctlr.h powerpc/85xx: Fix sram_offset parameter type 2012-07-26 13:24:32 -05:00
fsl_85xx_cache_sram.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
fsl_85xx_l2ctlr.c powerpc/85xx: Don't report SRAM to L2 cache fallback as error 2016-07-08 19:55:34 -05:00
fsl_gtm.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
fsl_lbc.c powerpc/fsl-lbc: use DEFINE_SPINLOCK() 2016-12-09 23:08:40 -06:00
fsl_mpic_err.c powerpc: Remove all usages of NO_IRQ 2016-09-20 20:57:12 +10:00
fsl_mpic_timer_wakeup.c powerpc/fsl: add MPIC timer wakeup support 2013-07-01 18:38:42 -05:00
fsl_msi.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
fsl_msi.h powerpc/85xx: workaround for chips with MSI hardware errata 2015-03-23 19:51:18 -05:00
fsl_pci.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
fsl_pci.h EDAC, mpc85xx: Make mpc85xx-pci-edac a platform device 2015-12-11 16:56:16 +01:00
fsl_pmc.c powerpc/fsl_pmc: use builtin_platform_driver 2016-12-04 19:51:44 -06:00
fsl_rcpm.c powerpc/rcpm: Fix build break when SMP=n 2016-03-16 15:22:32 +11:00
fsl_rio.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
fsl_rio.h rapidio: add global inbound port write interfaces 2016-03-22 15:36:02 -07:00
fsl_rmu.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
fsl_soc.c powerpc/cpm1: link to CONFIG_CPM1 instead of CONFIG_8xx 2017-08-10 23:32:05 +10:00
fsl_soc.h powerpc/cpm1: link to CONFIG_CPM1 instead of CONFIG_8xx 2017-08-10 23:32:05 +10:00
grackle.c powerpc: rename ppc_pci_*_flags to pci_*_flags 2011-07-12 09:28:04 -05:00
i8259.c powerpc: Remove all usages of NO_IRQ 2016-09-20 20:57:12 +10:00
indirect_pci.c powerpc/fsl_pci: Fix pci stack build bug with FRAME_WARN 2015-01-29 19:56:15 -06:00
ipic.c powerpc/ipic: Support edge on IRQ0 2017-07-24 21:20:31 +10:00
ipic.h irq_domain/powerpc: Use common irq_domain structure instead of irq_host 2012-02-14 14:06:50 -07:00
Kconfig powerpc/xive: Native exploitation of the XIVE interrupt controller 2017-04-10 21:41:34 +10:00
Makefile powerpc/8xx: Move mpc8xx_pic.c from sysdev to platform/8xx 2017-08-10 23:32:07 +10:00
micropatch.c powerpc/8xx: Remove empty asm/mpc8xx.h 2014-06-25 18:49:40 -05:00
mmio_nvram.c powerpc/sparse: Make a bunch of things static 2016-09-13 17:35:47 +10:00
mpc5xxx_clocks.c powerpc/mpc5xxx: Use of_get_next_parent to simplify code 2015-10-15 20:32:01 +11:00
mpic_msgr.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
mpic_msi.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
mpic_timer.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
mpic_u3msi.c powerpc: Remove all usages of NO_IRQ 2016-09-20 20:57:12 +10:00
mpic.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
mpic.h powerpc/pasemi: Only the build the pasemi MSI code for PASEMI=y 2015-05-11 19:55:25 +10:00
msi_bitmap.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
mv64x60_dev.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
mv64x60_pci.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
mv64x60_pic.c powerpc: Remove all usages of NO_IRQ 2016-09-20 20:57:12 +10:00
mv64x60_udbg.c dt/bindings: Remove device_type "serial" from marvell,mv64360-mpsc 2014-01-16 16:31:31 +00:00
mv64x60.h
of_rtc.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
pmi.c powerpc: Remove all usages of NO_IRQ 2016-09-20 20:57:12 +10:00
rtc_cmos_setup.c PTR_RET is now PTR_ERR_OR_ZERO(): Replace most. 2013-07-15 11:25:01 +09:30
scom.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
simple_gpio.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
simple_gpio.h powerpc: Implement GPIO driver for simple memory-mapped banks 2008-12-30 11:13:45 -06:00
tsi108_dev.c Disintegrate asm/system.h for PowerPC 2012-03-28 18:30:02 +01:00
tsi108_pci.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
udbg_memcons.c powerpc: Delete non-required instances of include <linux/init.h> 2014-01-15 13:46:44 +11:00
xilinx_intc.c powerpc/virtex: Use generic xilinx irqchip driver 2016-11-29 09:14:50 +00:00
xilinx_pci.c powerpc: make of_device_ids const 2014-09-25 23:14:46 +10:00