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Alexey Kardashevskiy 1838bdf6ca powerpc/xive: Ignore kmemleak false positives 
[ Upstream commit f0993c839e95dd6c7f054a1015e693c87e33e4fb ]

xive_native_provision_pages() allocates memory and passes the pointer to
OPAL so kmemleak cannot find the pointer usage in the kernel memory and
produces a false positive report (below) (even if the kernel did scan
OPAL memory, it is unable to deal with __pa() addresses anyway).

This silences the warning.

unreferenced object 0xc000200350c40000 (size 65536):
  comm "qemu-system-ppc", pid 2725, jiffies 4294946414 (age 70776.530s)
  hex dump (first 32 bytes):
    02 00 00 00 50 00 00 00 00 00 00 00 00 00 00 00  ....P...........
    01 00 08 07 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000081ff046c>] xive_native_alloc_vp_block+0x120/0x250
    [<00000000d555d524>] kvmppc_xive_compute_vp_id+0x248/0x350 [kvm]
    [<00000000d69b9c9f>] kvmppc_xive_connect_vcpu+0xc0/0x520 [kvm]
    [<000000006acbc81c>] kvm_arch_vcpu_ioctl+0x308/0x580 [kvm]
    [<0000000089c69580>] kvm_vcpu_ioctl+0x19c/0xae0 [kvm]
    [<00000000902ae91e>] ksys_ioctl+0x184/0x1b0
    [<00000000f3e68bd7>] sys_ioctl+0x48/0xb0
    [<0000000001b2c127>] system_call_exception+0x124/0x1f0
    [<00000000d2b2ee40>] system_call_common+0xe8/0x214

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200612043303.84894-1-aik@ozlabs.ru
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-09-03 11:24:18 +02:00
..
boot powerpc/boot: Fix CONFIG_PPC_MPC52XX references 2020-08-19 08:15:00 +02:00
configs scsi: sr: remove references to BLK_DEV_SR_VENDOR, leave it enabled 2020-07-22 09:32:04 +02:00
crypto powerpc updates for 4.19 2018-08-17 11:32:50 -07:00
include KVM: Pass MMU notifier range flags to kvm_unmap_hva_range() 2020-08-26 10:31:07 +02:00
kernel powerpc/64s: Don't init FSCR_DSCR in __init_FSCR() 2020-09-03 11:24:16 +02:00
kvm KVM: Pass MMU notifier range flags to kvm_unmap_hva_range() 2020-08-26 10:31:07 +02:00
lib powerpc/64: Fix memcmp reading past the end of src/dest 2019-04-03 06:26:29 +02:00
math-emu
mm powerpc: Allow 4224 bytes of stack expansion for the signal frame 2020-08-21 11:05:31 +02:00
net powerpc/bpf: Fix tail call implementation 2019-12-05 09:19:39 +01:00
oprofile treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
perf powerpc/perf/hv-24x7: Fix inconsistent output values incase multiple hv-24x7 events run 2020-06-25 15:32:50 +02:00
platforms powerpc/pseries: Do not initiate shutdown when system is running on UPS 2020-08-26 10:31:06 +02:00
purgatory powerpc updates for 4.19 2018-08-17 11:32:50 -07:00
sysdev powerpc/xive: Ignore kmemleak false positives 2020-09-03 11:24:18 +02:00
tools powerpc/tools: Don't quote $objdump in scripts 2020-01-04 19:12:42 +01:00
xmon powerpc: Make setjmp/longjmp signature standard 2020-04-17 10:48:54 +02:00
Kconfig powerpc/64s: Disable STRICT_KERNEL_RWX 2020-05-27 17:37:38 +02:00
Kconfig.debug Kconfig: consolidate the "Kernel hacking" menu 2018-08-02 08:06:48 +09:00
Makefile powerpc: vdso: Make vdso32 installation conditional in vdso_install 2020-01-27 14:50:40 +01:00
Makefile.postlink