diff options
| author | Ingo Molnar <mingo@kernel.org> | 2020-03-21 09:35:44 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-03-21 09:35:44 +0100 |
| commit | df10846ff2ac3b0a7b295be2de2e9215877982f3 (patch) | |
| tree | 9e5ff5583aa1547afd3c577815af81c2f328e288 /arch/powerpc/kernel | |
| parent | Merge branch 'x86/kdump' into locking/kcsan, to resolve conflicts (diff) | |
| parent | Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm6... (diff) | |
| download | linux-df10846ff2ac3b0a7b295be2de2e9215877982f3.tar.gz linux-df10846ff2ac3b0a7b295be2de2e9215877982f3.zip | |
Merge branch 'linus' into locking/kcsan, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/cputable.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/kernel/hw_breakpoint.c | 12 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vmlinux.lds.S | 6 |
3 files changed, 16 insertions, 6 deletions
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index e745abc5457a..245be4fafe13 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -2193,11 +2193,13 @@ static struct cpu_spec * __init setup_cpu_spec(unsigned long offset, * oprofile_cpu_type already has a value, then we are * possibly overriding a real PVR with a logical one, * and, in that case, keep the current value for - * oprofile_cpu_type. + * oprofile_cpu_type. Futhermore, let's ensure that the + * fix for the PMAO bug is enabled on compatibility mode. */ if (old.oprofile_cpu_type != NULL) { t->oprofile_cpu_type = old.oprofile_cpu_type; t->oprofile_type = old.oprofile_type; + t->cpu_features |= old.cpu_features & CPU_FTR_PMAO_BUG; } } diff --git a/arch/powerpc/kernel/hw_breakpoint.c b/arch/powerpc/kernel/hw_breakpoint.c index 2462cd7c565c..d0854320bb50 100644 --- a/arch/powerpc/kernel/hw_breakpoint.c +++ b/arch/powerpc/kernel/hw_breakpoint.c @@ -331,11 +331,13 @@ int hw_breakpoint_handler(struct die_args *args) } info->type &= ~HW_BRK_TYPE_EXTRANEOUS_IRQ; - if (!dar_within_range(regs->dar, info)) - info->type |= HW_BRK_TYPE_EXTRANEOUS_IRQ; - - if (!IS_ENABLED(CONFIG_PPC_8xx) && !stepping_handler(regs, bp, info)) - goto out; + if (IS_ENABLED(CONFIG_PPC_8xx)) { + if (!dar_within_range(regs->dar, info)) + info->type |= HW_BRK_TYPE_EXTRANEOUS_IRQ; + } else { + if (!stepping_handler(regs, bp, info)) + goto out; + } /* * As a policy, the callback is invoked in a 'trigger-after-execute' diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index b4c89a1acebb..a32d478a7f41 100644 --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S @@ -303,6 +303,12 @@ SECTIONS *(.branch_lt) } +#ifdef CONFIG_DEBUG_INFO_BTF + .BTF : AT(ADDR(.BTF) - LOAD_OFFSET) { + *(.BTF) + } +#endif + .opd : AT(ADDR(.opd) - LOAD_OFFSET) { __start_opd = .; KEEP(*(.opd)) |