From: Chenguang Zhao Date: Fri, 28 Jul 2023 02:30:42 +0000 (+0800) Subject: LoongArch: BPF: Enable bpf_probe_read{, str}() on LoongArch X-Git-Tag: v6.1.52~710 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2b58bd384730ac2cd177fd8e4d0bf0aa4a0bf166;p=platform%2Fkernel%2Flinux-starfive.git LoongArch: BPF: Enable bpf_probe_read{, str}() on LoongArch commit de0e30bee86d0f99c696a1fea34474e556a946ec upstream. Currently nettrace does not work on LoongArch due to missing bpf_probe_read{,str}() support, with the error message: ERROR: failed to load kprobe-based eBPF ERROR: failed to load kprobe-based bpf According to commit 0ebeea8ca8a4d1d ("bpf: Restrict bpf_probe_read{, str}() only to archs where they work"), we only need to select CONFIG_ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE to add said support, because LoongArch does have non-overlapping address ranges for kernel and userspace. Cc: stable@vger.kernel.org # 6.1 Signed-off-by: Chenguang Zhao Signed-off-by: Huacai Chen Signed-off-by: Greg Kroah-Hartman --- diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig index 51d738ac12e5..e737dc8cd660 100644 --- a/arch/loongarch/Kconfig +++ b/arch/loongarch/Kconfig @@ -10,6 +10,7 @@ config LOONGARCH select ARCH_ENABLE_MEMORY_HOTPLUG select ARCH_ENABLE_MEMORY_HOTREMOVE select ARCH_HAS_ACPI_TABLE_UPGRADE if ACPI + select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE select ARCH_HAS_PTE_SPECIAL select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST select ARCH_INLINE_READ_LOCK if !PREEMPTION