On Mon, Jan 28, 2019 at 06:51:32PM +0100, Borislav Petkov wrote: >On Wed, Jan 23, 2019 at 07:08:43PM +0800, Chao Fan wrote: >> PATCH 1/7 Copy kstrtoull() to boot/string.c to instead of using >> old simple_strtoull() >> PATCH 2/7 Introduce get_acpi_rsdp() to parse RSDP in cmdline from KEXEC >> PATCH 3/6 Introduce efi_get_rsdp_addr() to find RSDP from EFI table when >> booting from EFI. >> PATCH 4/7 Introduce bios_get_rsdp_addr() to search RSDP in memory when >> booting from BIOS >> PATCH 5/7 Parse RSDP and fill in boot_params->acpi_rsdp_addr before >> KASLR. >> PATCH 6/7 Compute SRAT from RSDP and walk SRAT to store the immovable >> memory regions and store the immovable memory regions. >> PATCH 7/7 Calculate the intersection between memory regions from e820/efi >> memory table and immovable memory regions. Limit KASLR to >> choosing these regions for randomization.
Hi Boris, Sorry for delay. > >Ok, I've massaged the whole pile and fixed a couple of things that >sprang at me, see each commit message for details. Thanks for your fix, your change looks good. > >Please run it and check whether I haven't broken anything: > >https://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git/log/?h=tip-x86-boot I clone your branch and test some cases. Except the build issue of cmdline_find_option(), PATCHSET works well. Build in x86_64 and i386. Tested EFI/BIOS environment in x86_64 and BIOS environment in i386. Tested the 'acpi_rsdp=' and 'boot_params->acpi_rsdp_addr' issue, all work well. Thanks, Chao Fan > >Thx. > >-- >Regards/Gruss, > Boris. > >Good mailing practices for 400: avoid top-posting and trim the reply. > >