Eric Lee / smarc-fsl-linux-kernel

01 Aug, 2011

1 commit

  • 49d859d78   x86, random: Verify RDRAND functionality and allow it to be disabled ... Browse Code ยป

    If the CPU declares that RDRAND is available, go through a guranteed
    reseed sequence, and make sure that it is actually working (producing
    data.) If it does not, disable the CPU feature flag.

    Allow RDRAND to be disabled on the command line (as opposed to at
    compile time) for a user who has special requirements with regards to
    random numbers.

    Signed-off-by: H. Peter Anvin
    Cc: Matt Mackall
    Cc: Herbert Xu
    Cc: "Theodore Ts'o"

    H. Peter Anvin