AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-26 12:35:17 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity
860b7d2286
linux_dsm_epyc7002/arch/powerpc/platforms/powernv
History
Anju T Sudhakar 860b7d2286 powerpc/perf: Fix loop exit condition in nest_imc_event_init 
The data structure (i.e struct imc_mem_info) to hold the memory address
information for nest imc units is allocated based on the number of nodes
in the system.

nest_imc_event_init() traverse this struct array to calculate the memory
base address for the event-cpu. If we fail to find a match for the event
cpu's chip-id in imc_mem_info struct array, then the do-while loop will
iterate until we crash.

Fix this by changing the loop exit condition based on the number of
non zero vbase elements in the array, since the allocation is done for
nr_chips + 1.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 885dcd709b ("powerpc/perf: Add nest IMC PMU support")
Signed-off-by: Anju T Sudhakar <anju@linux.vnet.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2019-05-03 02:54:59 +10:00
..
copy-paste.h powerpc/powernv: copy/paste - Mask SO bit in CR 2018-06-04 22:58:41 +10:00
eeh-powernv.c powerpc/powernv/eeh/npu: Fix uninitialized variables in opal_pci_eeh_freeze_status 2018-12-20 22:59:03 +11:00
idle.c powerpc/powernv/idle: Restore AMR/UAMOR/AMOR/IAMR after idle 2019-04-30 22:38:56 +10:00
Kconfig PCI: consolidate PCI config entry in drivers/pci 2018-11-23 11:45:34 +09:00
Makefile powerpc/powernv: move OPAL call wrapper tracing and interrupt handling to C 2019-02-26 23:55:09 +11:00
memtrace.c mm: replace all open encodings for NUMA_NO_NODE 2019-03-05 21:07:14 -08:00
npu-dma.c powerpc/powernv/npu: Remove redundant change_pte() hook 2019-02-22 00:10:14 +11:00
ocxl.c ocxl: Rename pnv_ocxl_spa_remove_pe to clarify it's action 2018-06-03 20:40:32 +10:00
opal-async.c powerpc/opal: Add opal_async_wait_response_interruptible() to opal-async 2017-11-06 20:39:28 +11:00
opal-call.c powerpc/hmi: Fix kernel hang when TB is in error state. 2019-05-03 02:54:57 +10:00
opal-dump.c powerpc/powernv/opal-dump : Use IRQ_HANDLED instead of numbers in interrupt handler 2018-07-24 22:03:24 +10:00
opal-elog.c powerpc: Use octal numbers for file permissions 2018-01-22 05:48:33 +11:00
opal-flash.c powerpc/powernv: Always stop secondaries before reboot/shutdown 2018-04-03 22:59:57 +10:00
opal-hmi.c powerpc-opal: fix spelling mistake "Uniterrupted" -> "Uninterrupted" 2018-06-05 11:33:47 +10:00
opal-imc.c powerpc/perf: Fix loop exit condition in nest_imc_event_init 2019-05-03 02:54:59 +10:00
opal-irqchip.c powerpc/powernv/opal: Use standard interrupts property when available 2018-08-08 00:32:38 +10:00
opal-kmsg.c powerpc/powernv: Implement and use opal_flush_console 2018-07-24 22:09:56 +10:00
opal-lpc.c Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
opal-memory-errors.c powerpc: Use sizeof(*foo) rather than sizeof(struct foo) 2018-03-20 16:47:53 +11:00
opal-msglog.c powerpc/powernv: Make opal log only readable by root 2019-02-27 22:11:31 +11:00
opal-nvram.c powerpc/powernv: Fix NVRAM sleep in invalid context when crashing 2018-05-18 00:23:07 +10:00
opal-power.c powerpc/powernv: Move opal_power_control_init() call in opal_init(). 2018-12-21 11:32:49 +11:00
opal-powercap.c powerpc: Convert to using %pOFn instead of device_node.name 2018-10-03 15:40:01 +10:00
opal-prd.c vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
opal-psr.c powerpc: Use sizeof(*foo) rather than sizeof(struct foo) 2018-03-20 16:47:53 +11:00
opal-rtc.c powerpc: use time64_t in read_persistent_clock 2018-06-03 20:43:33 +10:00
opal-sensor-groups.c powerpc: Convert to using %pOFn instead of device_node.name 2018-10-03 15:40:01 +10:00
opal-sensor.c powernv: opal-sensor: Add support to read 64bit sensor values 2018-05-21 14:48:02 +10:00
opal-sysparam.c powerpc: Convert to using %pOFn instead of device_node.name 2018-10-03 15:40:01 +10:00
opal-tracepoints.c jump_label: move 'asm goto' support test to Kconfig 2019-01-06 09:46:51 +09:00
opal-wrappers.S powerpc/powernv: move OPAL call wrapper tracing and interrupt handling to C 2019-02-26 23:55:09 +11:00
opal-xscom.c powerpc: Use sizeof(*foo) rather than sizeof(struct foo) 2018-03-20 16:47:53 +11:00
opal.c powerpc/hmi: Fix kernel hang when TB is in error state. 2019-05-03 02:54:57 +10:00
pci-cxl.c Revert "powerpc/powernv: Add support for the cxl kernel api on the real phb" 2018-07-02 23:54:32 +10:00
pci-ioda-tce.c powerpc/powernv/ioda: Fix locked_vm counting for memory used by IOMMU tables 2019-02-28 11:50:02 +11:00
pci-ioda.c powerpc/powernv/ioda2: Add __printf format/argument verification 2019-05-03 02:54:58 +10:00
pci.c powerpc/powernv/sriov: Register IOMMU groups for VFs 2019-02-19 11:51:18 +11:00
pci.h powerpc/powernv/ioda2: Add __printf format/argument verification 2019-05-03 02:54:58 +10:00
powernv.h powerpc/powernv: process all OPAL event interrupts with kopald 2018-06-03 20:40:30 +10:00
rng.c powerpc: Convert to using %pOF instead of full_name 2017-08-23 22:27:04 +10:00
setup.c powerpc/hmi: Fix kernel hang when TB is in error state. 2019-05-03 02:54:57 +10:00
smp.c powerpc/powernv: Don't reprogram SLW image on every KVM guest entry/exit 2019-02-22 00:10:15 +11:00
subcore-asm.S powerpc/powernv: Add support for POWER8 split core on powernv 2014-05-28 13:35:37 +10:00
subcore.c powerpc/64s: Reimplement book3s idle code in C 2019-04-30 22:37:48 +10:00
subcore.h powernv/powerpc: Add winkle support for offline cpus 2014-12-15 10:46:41 +11:00
vas-debug.c powerpc/powernv/vas: Use DEFINE_SHOW_ATTRIBUTE macro 2018-11-25 17:11:22 +11:00
vas-trace.h powerpc/vas: Add a couple of trace points 2018-03-14 20:13:58 +11:00
vas-window.c ppc: Convert vas ID allocation to new IDA API 2018-08-21 23:54:19 -04:00
vas.c powerpc/vas: Fix cleanup when VAS is not configured 2018-03-14 20:11:37 +11:00
vas.h powerpc: clean the inclusion of stringify.h 2018-07-30 22:48:17 +10:00