...lock of memory the kernel allocator can provide. The limit is currently 128 kB for 32-bit architectures and 256 kB for 64-bit architectures. In newer kernels the driver allocate…...ad it explicitly before use: $ modprobe msr SEE ALSO Intel Corporation Intel 64 and IA-32 Architectures Software Developer's Manual Volume 3B Appendix B, for an overview of the …...s when read-only or write-only bits are present. Since Linux 2.6.26, and depending on the architecture, the CONFIG_STRICT_DEVMEM kernel configuration option limits the areas whi…...s when read-only or write-only bits are present. Since Linux 2.6.26, and depending on the architecture, the CONFIG_STRICT_DEVMEM kernel configuration option limits the areas whi…...s when read-only or write-only bits are present. Since Linux 2.6.26, and depending on the architecture, the CONFIG_STRICT_DEVMEM kernel configuration option limits the areas whi…...e for those CPUs fails with EIO. SEE ALSO cpuid (1) Intel Corporation, Intel 64 and IA-32 Architectures Software Developer's Manual Volume 2A: Instruction Set Reference, A-M, 3-…