Messages in this thread Patch in this message | | | From | Ard Biesheuvel <> | Subject | [RFC PATCH 4/4] arm64: advertise CPU features using module aliases | Date | Thu, 7 Nov 2013 18:17:37 +0100 |
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This enables the generic implementation in drivers/base/cpu.c that allows modules to be loaded automatically based on the optional features supported (and advertised) by the CPU.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> --- arch/arm64/Kconfig | 3 +++ arch/arm64/kernel/setup.c | 2 ++ 2 files changed, 5 insertions(+)
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index c044548..50cd97f 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -202,6 +202,9 @@ config ARCH_WANT_HUGE_PMD_SHARE config HAVE_ARCH_TRANSPARENT_HUGEPAGE def_bool y +config ARCH_HAS_CPU_AUTOPROBE + def_bool y + source "mm/Kconfig" config XEN_DOM0 diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index 780a7aa..90d5277 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -403,3 +403,5 @@ const struct seq_operations cpuinfo_op = { .stop = c_stop, .show = c_show }; + +extern u32 cpu_features __attribute__((alias("elf_hwcap"))); -- 1.8.3.2
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