On 09/02/21 17:46, Supriya Mane wrote:
Setting 'CONFIG_DEVMEM=y' provides access to /dev/mem. Fixes "cannot access '/dev/mem' : No such file or directory" Signed-off-by: Supriya Mane <sm.supr...@globaledgesoft.com> --- target/linux/x86/64/config-5.4 | 1 + 1 file changed, 1 insertion(+) diff --git a/target/linux/x86/64/config-5.4 b/target/linux/x86/64/config-5.4 index f09deca5b0..a483d6ea2a 100644 --- a/target/linux/x86/64/config-5.4 +++ b/target/linux/x86/64/config-5.4 @@ -115,6 +115,7 @@ CONFIG_CRYPTO_SIMD=y # CONFIG_CRYPTO_TWOFISH_X86_64_3WAY is not set CONFIG_CRYPTO_XTS=y # CONFIG_DEBUG_HOTPLUG_CPU0 is not set +CONFIG_DEVMEM=y CONFIG_DMA_ACPI=y CONFIG_DMA_SHARED_BUFFER=y # CONFIG_DPTF_POWER is not set
It's disabled by default because it is a debugging feature that is not terribly secure (lets anyone see the RAM contents, to an extent).
I'm not sure this should be enabled for all x86_64 target like that. -Alberto _______________________________________________ openwrt-devel mailing list openwrt-devel@lists.openwrt.org https://lists.openwrt.org/mailman/listinfo/openwrt-devel