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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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b045c21586
To determine whether the mba_MBps option to resctrl should be supported, resctrl tests the boot CPUs' x86_vendor. This isn't portable, and needs abstracting behind a helper so this check can be part of the filesystem code that moves to /fs/. Re-use the tests set_mba_sc() does to determine if the mba_sc is supported on this system. An 'alloc_capable' test is added so that support for the controls isn't implied by the 'delay_linear' property, which is always true for MPAM. Because mbm_update() only update mba_sc if the mbm_local counters are enabled, supports_mba_mbps() checks is_mbm_local_enabled(). (instead of using is_mbm_enabled(), which checks both). Signed-off-by: James Morse <james.morse@arm.com> Signed-off-by: Borislav Petkov <bp@suse.de> Reviewed-by: Jamie Iles <quic_jiles@quicinc.com> Reviewed-by: Shaopeng Tan <tan.shaopeng@fujitsu.com> Reviewed-by: Reinette Chatre <reinette.chatre@intel.com> Tested-by: Xin Hao <xhao@linux.alibaba.com> Tested-by: Shaopeng Tan <tan.shaopeng@fujitsu.com> Tested-by: Cristian Marussi <cristian.marussi@arm.com> Link: https://lore.kernel.org/r/20220902154829.30399-8-james.morse@arm.com |
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| acpi | ||
| apic | ||
| cpu | ||
| fpu | ||
| kprobes | ||
| .gitignore | ||
| alternative.c | ||
| amd_gart_64.c | ||
| amd_nb.c | ||
| aperture_64.c | ||
| apm_32.c | ||
| asm-offsets.c | ||
| asm-offsets_32.c | ||
| asm-offsets_64.c | ||
| audit_64.c | ||
| bootflag.c | ||
| check.c | ||
| cpuid.c | ||
| crash.c | ||
| crash_core_32.c | ||
| crash_core_64.c | ||
| crash_dump_32.c | ||
| crash_dump_64.c | ||
| devicetree.c | ||
| doublefault_32.c | ||
| dumpstack.c | ||
| dumpstack_32.c | ||
| dumpstack_64.c | ||
| e820.c | ||
| early-quirks.c | ||
| early_printk.c | ||
| ebda.c | ||
| eisa.c | ||
| espfix_64.c | ||
| ftrace.c | ||
| ftrace_32.S | ||
| ftrace_64.S | ||
| head32.c | ||
| head64.c | ||
| head_32.S | ||
| head_64.S | ||
| hpet.c | ||
| hw_breakpoint.c | ||
| i8237.c | ||
| i8253.c | ||
| i8259.c | ||
| idt.c | ||
| io_delay.c | ||
| ioport.c | ||
| irq.c | ||
| irq_32.c | ||
| irq_64.c | ||
| irq_work.c | ||
| irqflags.S | ||
| irqinit.c | ||
| itmt.c | ||
| jailhouse.c | ||
| jump_label.c | ||
| kdebugfs.c | ||
| kexec-bzimage64.c | ||
| kgdb.c | ||
| ksysfs.c | ||
| kvm.c | ||
| kvmclock.c | ||
| ldt.c | ||
| machine_kexec_32.c | ||
| machine_kexec_64.c | ||
| Makefile | ||
| mmconf-fam10h_64.c | ||
| module.c | ||
| mpparse.c | ||
| msr.c | ||
| nmi.c | ||
| nmi_selftest.c | ||
| paravirt-spinlocks.c | ||
| paravirt.c | ||
| pci-dma.c | ||
| pcspeaker.c | ||
| perf_regs.c | ||
| platform-quirks.c | ||
| pmem.c | ||
| probe_roms.c | ||
| process.c | ||
| process.h | ||
| process_32.c | ||
| process_64.c | ||
| ptrace.c | ||
| pvclock.c | ||
| quirks.c | ||
| reboot.c | ||
| reboot_fixups_32.c | ||
| relocate_kernel_32.S | ||
| relocate_kernel_64.S | ||
| resource.c | ||
| rethook.c | ||
| rtc.c | ||
| setup.c | ||
| setup_percpu.c | ||
| sev-shared.c | ||
| sev.c | ||
| sev_verify_cbit.S | ||
| signal.c | ||
| signal_compat.c | ||
| smp.c | ||
| smpboot.c | ||
| stacktrace.c | ||
| static_call.c | ||
| step.c | ||
| sys_ia32.c | ||
| sys_x86_64.c | ||
| tboot.c | ||
| time.c | ||
| tls.c | ||
| tls.h | ||
| topology.c | ||
| trace.c | ||
| trace_clock.c | ||
| tracepoint.c | ||
| traps.c | ||
| tsc.c | ||
| tsc_msr.c | ||
| tsc_sync.c | ||
| umip.c | ||
| unwind_frame.c | ||
| unwind_guess.c | ||
| unwind_orc.c | ||
| uprobes.c | ||
| verify_cpu.S | ||
| vm86_32.c | ||
| vmlinux.lds.S | ||
| vsmp_64.c | ||
| x86_init.c | ||