Re: [PATCH v13 19/19] x86/efi: EFI stub DRTM launch support for Secure Launch

2025-03-29 Thread H. Peter Anvin
On March 28, 2025 4:08:14 PM PDT, Ross Philipson wrote: >This support allows the DRTM launch to be initiated after an EFI stub >launch of the Linux kernel is done. This is accomplished by providing >a handler to jump to when a Secure Launch is in progress. This has to be >called after the EFI stu

Re: [PATCH v13 00/19] x86: Trenchboot secure dynamic launch Linux kernel support

2025-03-29 Thread Jarkko Sakkinen
On Fri, Mar 28, 2025 at 04:07:55PM -0700, Ross Philipson wrote: > The larger focus of the TrenchBoot project (https://github.com/TrenchBoot) is > to > enhance the boot security and integrity in a unified manner. The first area of > focus has been on the Trusted Computing Group's Dynamic Launch for

Re: [PATCH v5 00/16] kexec: introduce Kexec HandOver (KHO)

2025-03-29 Thread Mike Rapoport
On March 25, 2025 10:19:53 AM EDT, Pasha Tatashin wrote: >> To use the code, please boot the kernel with the "kho=on" command line >> parameter. >> KHO will automatically create scratch regions. If you want to set the >> scratch size explicitly you can use "kho_scratch=" command line parameter

Re: [REGRESSION] Kernel booted via kexec fails to resume from hibernation

2025-03-29 Thread Roberto Ricci
On 2025-03-29 09:44 +0800, Baoquan He wrote: > On 03/29/25 at 01:14am, Roberto Ricci wrote: > [snip] > > Anyway, I performed yet another bisection, this time with just plain > > defconfig plus CONFIG_KEXEC_FILE=y, and I got different results. > > > > Updated steps to reproduce: > > 1. Boot kernel

Re: [REGRESSION] Kernel booted via kexec fails to resume from hibernation

2025-03-29 Thread Roberto Ricci
Try gzip decompression. Try LZMA decompression. kernel: 0x7f5df32b5010 kernel_size: 0x8a9540 MEMORY RANGES 0400-0009fbff (0) 0009fc00-0009 (1) 000f-000f (1) 0010-bffd (0) bffe-bfff (1) 00

Re: [PATCH v13 00/19] x86: Trenchboot secure dynamic launch Linux kernel support

2025-03-29 Thread ross . philipson
On 3/29/25 4:32 AM, Jarkko Sakkinen wrote: On Fri, Mar 28, 2025 at 04:07:55PM -0700, Ross Philipson wrote: The larger focus of the TrenchBoot project (https://urldefense.com/v3/__https://github.com/TrenchBoot__;!!ACWV5N9M2RV99hQ!O3YD_Gg-b5rJB_LxeqAKq7YGMDlmbkk1dUS2khRWPxGpRgR36kf2jpRZPcmqJD83GO