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powerpc/bpf ppc32: Do not emit zero extend instruction for 64-bit BPF_END
2021-10-07 Naveen N. Raopowerpc/bpf ppc32: Do not emit zero extend instruction...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...b19a1bda84971816e4.1633464148.git.naveen.n.rao@linux.vnet.ibm.com
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2021-10-07 Naveen N. Raopowerpc/bpf ppc32: Fix JMP32_JSET_K
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...4dd04a3527236be7e8.1633464148.git.naveen.n.rao@linux.vnet.ibm.com
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2021-10-07 Naveen N. Raopowerpc/bpf ppc32: Fix ALU32 BPF_ARSH operation
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...af2ea1e8bcd4dac87b.1633464148.git.naveen.n.rao@linux.vnet.ibm.com
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2021-10-07 Naveen N. Raopowerpc/bpf: Emit stf barrier instruction sequences...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...ed48ee757a86dac62a.1633464148.git.naveen.n.rao@linux.vnet.ibm.com
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2021-10-07 Naveen N. Raopowerpc/security: Add a helper to query stf_barrier...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...e3137dc2b220bae285.1633464148.git.naveen.n.rao@linux.vnet.ibm.com
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2021-10-07 Naveen N. Raopowerpc/bpf: Fix BPF_SUB when imm == 0x80000000
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...14c8dd089da2815251.1633464148.git.naveen.n.rao@linux.vnet.ibm.com
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2021-10-07 Naveen N. Raopowerpc/bpf: Fix BPF_MOD when imm == 1
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...bb326213731c675d06.1633464148.git.naveen.n.rao@linux.vnet.ibm.com
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2021-10-07 Naveen N. Raopowerpc/bpf: Validate branch ranges
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...4dd8bdd4ff5e929142.1633464148.git.naveen.n.rao@linux.vnet.ibm.com
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2021-10-07 Naveen N. Raopowerpc/lib: Add helper to check if offset is within...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...9a855f3f6cfdbbbd41.1633464148.git.naveen.n.rao@linux.vnet.ibm.com
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2021-07-05 Naveen N. Raopowerpc/bpf: Reject atomic ops in ppc32 JIT
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...74bd31c01eda976ba5.1625145429.git.naveen.n.rao@linux.vnet.ibm.com
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2021-07-05 Naveen N. Raopowerpc/bpf: Fix detecting BPF atomic instructions
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...96f87fd7539e4f17fd.1625145429.git.naveen.n.rao@linux.vnet.ibm.com
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2021-06-25 Naveen N. Raopowerpc/bpf: Use bctrl for making function calls
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...20210609090024.1446800-1-naveen.n.rao@linux.vnet.ibm.com
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2021-06-25 Naveen N. Raopowerpc/xmon: Add support for running a command on...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...20210601074801.617363-1-naveen.n.rao@linux.vnet.ibm.com
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2021-06-25 Naveen N. Raopowerpc/configs: Enable STACK_TRACER and FTRACE_SYSCALLS...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...20210524120227.3333208-1-naveen.n.rao@linux.vnet.ibm.com
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2021-06-25 Naveen N. Raopowerpc/kprobes: Warn if instruction patching failed
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...8100932b551bdd3a52.1621416666.git.naveen.n.rao@linux.vnet.ibm.com
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2021-06-25 Naveen N. Raopowerpc/kprobes: Roll IS_RFI() macro into IS_RFID()
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...b4c0a123ad4b0aabf8.1621416666.git.naveen.n.rao@linux.vnet.ibm.com
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2021-06-25 Naveen N. Raopowerpc/kprobes: Fix Oops by passing ppc_inst as a...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2021-06-03 Naveen N. Raokprobes: Do not increment probe miss count in the fault...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...20210601120150.672652-1-naveen.n.rao@linux.vnet.ibm.com
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2021-05-28 Naveen N. Raopowerpc/kprobes: Fix validation of prefixed instructions...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...d1b769af2ff0eafbd6.1621416666.git.naveen.n.rao@linux.vnet.ibm.com
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2021-03-09 Naveen N. Raopowerpc/64s: Fix instruction encoding for lis in ppc_functio...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...r/20210304020411.16796-1-naveen.n.rao@linux.vnet.ibm.com
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2020-12-01 Naveen N. Raoftrace: Fix DYNAMIC_FTRACE_WITH_DIRECT_CALLS dependency
 ...389a9ed989496ca63a.1606412433.git.naveen.n.rao@linux.vnet.ibm.com
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2020-12-01 Naveen N. Raoftrace: Fix updating FTRACE_FL_TRAMP
 ...6d9684c7882bf09af5.1606412433.git.naveen.n.rao@linux.vnet.ibm.com
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2020-09-03 Naveen N. Raolibbpf: Remove arch-specific include path in Makefile
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...20200902084246.1513055-1-naveen.n.rao@linux.vnet.ibm.com
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2020-07-23 Naveen N. Raodocs: Move kprobes.rst from staging/ to trace/
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...4f0c89740618f1bae4.1595331824.git.naveen.n.rao@linux.vnet.ibm.com
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2020-07-23 Naveen N. Raodocs: staging/kprobes.rst: Move references to a separate...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...4343b7f95afa1178cd.1595331824.git.naveen.n.rao@linux.vnet.ibm.com
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2020-07-23 Naveen N. Raodocs: staging/kprobes.rst: Update some of the references
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...d8f9dff6678de12fa1.1595331824.git.naveen.n.rao@linux.vnet.ibm.com
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2020-06-02 Naveen N. Raopowerpc/module_64: Use special stub for _mcount() with...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...4fab8185700a6222b1.1587488954.git.naveen.n.rao@linux.vnet.ibm.com
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2020-06-02 Naveen N. Raopowerpc/module_64: Simplify check for -mprofile-kernel...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...bb4691e7e4059ff2d5.1587488954.git.naveen.n.rao@linux.vnet.ibm.com
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2020-06-02 Naveen N. Raopowerpc/module_64: Consolidate ftrace code
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...e130dc34c5d4ee8ad9.1587488954.git.naveen.n.rao@linux.vnet.ibm.com
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2020-04-30 Naveen N. Raopowerpc/64: Have MPROFILE_KERNEL depend on FUNCTION_TRACER
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...20200422092612.514301-1-naveen.n.rao@linux.vnet.ibm.com
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2020-04-01 Naveen N. Raopowerpc: Suppress .eh_frame generation
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...c60e70eed8bb8b40c3.1583415544.git.naveen.n.rao@linux.vnet.ibm.com
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2020-04-01 Naveen N. Raopowerpc: Drop -fno-dwarf2-cfi-asm
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...7eb3a38559df7005d3.1583415544.git.naveen.n.rao@linux.vnet.ibm.com
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2020-02-24 Naveen N. Raopowerpc: Include .BTF section
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...20200220113132.857132-1-naveen.n.rao@linux.vnet.ibm.com
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2019-09-18 Naveen N. Raopowerpc: Use ftrace_graph_ret_addr() when unwinding
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...9482c3dabdece2a323.1567707399.git.naveen.n.rao@linux.vnet.ibm.com
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2019-09-18 Naveen N. Raopowerpc/ftrace: Enable HAVE_FUNCTION_GRAPH_RET_ADDR_PTR
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...f678cfc2cd1e114cfe.1567707399.git.naveen.n.rao@linux.vnet.ibm.com
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2019-09-18 Naveen N. Raoftrace: Look up the address of return_to_handler()...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...ce14036bbe67224c7d.1567707399.git.naveen.n.rao@linux.vnet.ibm.com
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2019-08-30 Naveen N. Raoftrace: Check for successful allocation of hash
 ...cf5f7a819de1832cbe.1562249521.git.naveen.n.rao@linux.vnet.ibm.com
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2019-08-30 Naveen N. Raoftrace: Fix NULL pointer dereference in t_probe_next()
 ...d41380323dbe4e3b43.1562249521.git.naveen.n.rao@linux.vnet.ibm.com
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2019-08-28 Naveen N. Raoperf arch powerpc: Sync powerpc syscall.tbl
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...r/20190827071458.19897-1-naveen.n.rao@linux.vnet.ibm.com
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2019-08-26 Naveen N. Raobpf: handle 32-bit zext during constant blinding
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2019-07-04 Naveen N. Raopowerpc/pseries: Add documentation for vcpudispatch_stats
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2019-07-04 Naveen N. Raopowerpc/pseries: Protect against hogging the cpu while...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2019-07-04 Naveen N. Raopowerpc/pseries: Provide vcpu dispatch statistics
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2019-07-04 Naveen N. Raopowerpc/pseries: Move mm/book3s64/vphn.c under platforms...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2019-07-04 Naveen N. Raopowerpc/pseries: Generalize hcall_vphn()
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2019-07-04 Naveen N. Raopowerpc/pseries: Introduce rwlock to gatekeep DTLB...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2019-07-04 Naveen N. Raopowerpc/pseries: Factor out DTL buffer allocation and...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2019-07-04 Naveen N. Raopowerpc/pseries: Do not save the previous DTL mask...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2019-07-04 Naveen N. Raopowerpc/pseries: Use macros for referring to the DTL...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2019-07-01 Naveen N. Raopowerpc/xmon: Fix disabling tracing while in xmon
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2019-07-01 Naveen N. Raorecordmcount: Fix spurious mcount entries on powerpc
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2019-06-13 Naveen N. Raopowerpc/bpf: use unsigned division instruction for...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2019-06-13 Naveen N. Raobpf: fix div64 overflow tests to properly detect errors
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2019-03-16 Naveen N. Raopowerpc: bpf: Fix generation of load/store DW instructions
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2018-10-31 Naveen N. Raoselftests/powerpc: Fix compilation issue due to asm...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2018-10-30 Naveen N. Raoselftests/powerpc: Relax L1d miss targets for rfi_flush...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2018-10-20 Naveen N. Raopowerpc/ftrace: Handle large kernel configs
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2018-10-20 Naveen N. Raoselftests/powerpc: Add test to verify rfi flush across...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2018-10-20 Naveen N. Raoselftests/powerpc: Move UCONTEXT_NIA() into utils.h
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2018-10-20 Naveen N. Raopowerpc64/module elfv1: Set opd addresses after module...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2018-10-20 Naveen N. Raopowerpc: Add support for function error injection
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2018-10-03 Naveen N. Raopowerpc/pseries: Fix how we iterate over the DTL entries
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2018-10-03 Naveen N. Raopowerpc/pseries: Fix DTL buffer registration
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2018-06-07 Naveen N. Raoselftests/ftrace: Add ppc support for kprobe args tests
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2018-05-07 Naveen N. Raopowerpc/trace/syscalls: Update syscall name matching...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2018-05-07 Naveen N. Raopowerpc/trace/syscalls: Update syscall name matching...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2018-05-03 Naveen N. Raopowerpc64/ftrace: Implement support for ftrace_regs_caller()
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2018-05-03 Naveen N. Raopowerpc64/ftrace: Use the generic version of ftrace_replace_...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2018-05-03 Naveen N. Raopowerpc64/module: Tighten detection of mcount call...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2018-05-03 Naveen N. Raopowerpc64/kexec: Hard disable ftrace before switching...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2018-05-03 Naveen N. Raopowerpc64/ftrace: Disable ftrace during kvm entry/exit
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2018-05-03 Naveen N. Raopowerpc64/ftrace: Disable ftrace during hotplug
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2018-05-03 Naveen N. Raopowerpc64/ftrace: Delay enabling ftrace on secondary...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2018-05-03 Naveen N. Raopowerpc64/ftrace: Add helpers to hard disable ftrace
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2018-05-03 Naveen N. Raopowerpc64/ftrace: Rearrange #ifdef sections in ftrace.h
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2018-05-03 Naveen N. Raopowerpc64/ftrace: Add a field in paca to disable ftrace...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2018-04-04 Naveen N. Raopowerpc/hw_breakpoint: Only disable hw breakpoint if...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2018-03-30 Naveen N. Raopowerpc/kprobes: Fix call trace due to incorrect preempt...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2017-11-12 Naveen N. Raopowerpc/signal: Properly handle return value from uprobe_den...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2017-11-12 Naveen N. Raopowerpc/kprobes: refactor kprobe_lookup_name for safer...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2017-11-12 Naveen N. Raopowerpc/kprobes: Blacklist emulate_update_regs() from...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2017-11-12 Naveen N. Raopowerpc/kprobes: Do not disable interrupts for optprobes...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2017-11-12 Naveen N. Raopowerpc/kprobes: Disable preemption before invoking...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2017-11-01 Naveen N. Raopowerpc/kprobes: Dereference function pointers only...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2017-11-01 Naveen N. RaoRevert "powerpc64/elfv1: Only dereference function...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2017-10-18 Naveen N. RaoRevert "kprobes: Warn if optprobe handler tries to...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
...r/20171017081834.3629-1-naveen.n.rao@linux.vnet.ibm.com
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2017-10-05 Naveen N. Raopowerpc/jprobes: Validate break handler invocation...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2017-10-05 Naveen N. Raopowerpc/jprobes: Disable preemption when triggered...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2017-10-04 Naveen N. Raopowerpc/kprobes: Fix warnings from __this_cpu_read...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2017-10-04 Naveen N. Raopowerpc/kprobes: Clean up jprobe detection in livepatch...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2017-10-04 Naveen N. Raopowerpc/kprobes: Do not suppress instruction emulation...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2017-10-04 Naveen N. Raopowerpc/kprobes: Some cosmetic updates to try_to_emulate()
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2017-09-20 Naveen N. Raopowerpc/kprobes: Update optprobes to use emulate_update_regs()
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2017-08-24 Naveen N. Raopowerpc/uprobes: Implement arch_uretprobe_is_alive()
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2017-08-24 Naveen N. Raopowerpc/kprobes: Don't save/restore DAR/DSISR to/from...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2017-08-17 Naveen N. Raopowerpc/bpf: Use memset32() to pre-fill traps in BPF...
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2017-08-17 Naveen N. Raopowerpc/string: Implement optimized memset variants
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2017-08-15 Naveen N. Raopowerpc/xmon: Exclude all of xmon from ftrace
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2017-08-11 Naveen N. Raoperf scripting python: Add ppc64le to audit uname list
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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2017-07-09 Naveen N. Raoselftests/ftrace: Add a test to probe module functions
 ...7b4bb0c3c86eaa38af.1499453040.git.naveen.n.rao@linux.vnet.ibm.com
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
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