powerpc: add definition for pt_regs offset within an interrupt frame
authorNicholas Piggin <npiggin@gmail.com>
Sun, 27 Nov 2022 12:49:32 +0000 (22:49 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Fri, 2 Dec 2022 06:54:08 +0000 (17:54 +1100)
commitc03be0a3f3cc656eab5c427b78959b8f1b169a11
treeea5a871e5ab66eb6f0d25a708e9e26206af9a692
parent37195b820d32c23bdefce3f460ed7de48a57e5e4
powerpc: add definition for pt_regs offset within an interrupt frame

This is a common offset that currently uses the overloaded
STACK_FRAME_OVERHEAD constant. It's easier to read and more
flexible to use a specific regs offset for this.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20221127124942.1665522-8-npiggin@gmail.com
18 files changed:
arch/powerpc/include/asm/ptrace.h
arch/powerpc/kernel/asm-offsets.c
arch/powerpc/kernel/entry_32.S
arch/powerpc/kernel/exceptions-64e.S
arch/powerpc/kernel/exceptions-64s.S
arch/powerpc/kernel/head_32.h
arch/powerpc/kernel/head_85xx.S
arch/powerpc/kernel/head_booke.h
arch/powerpc/kernel/interrupt_64.S
arch/powerpc/kernel/kgdb.c
arch/powerpc/kernel/optprobes_head.S
arch/powerpc/kernel/ppc_save_regs.S
arch/powerpc/kernel/process.c
arch/powerpc/kernel/tm.S
arch/powerpc/kernel/trace/ftrace_mprofile.S
arch/powerpc/lib/test_emulate_step_exec_instr.S
arch/powerpc/perf/callchain.c
arch/powerpc/xmon/xmon.c