Re: [PATCH 0/2] ESRT fixes for relocatable kexec'd kernel

2018-03-06 Thread AKASHI Takahiro
Tyler, Jeffrey, On Fri, Mar 02, 2018 at 08:27:11AM -0500, Tyler Baicar wrote: > On 3/2/2018 12:53 AM, AKASHI Takahiro wrote: > >Tyler, Jeffrey, > > > >[Note: This issue takes place in kexec, not kdump. So to be precise, > >it is not the same phenomenon as what I addressed in [1],[2]: > > [1] >

Re: [PATCH v3 4/5] efi: call get_event_log before ExitBootServices

2018-03-06 Thread Thiebaud Weksteen
On Mon, Mar 5, 2018 at 4:40 PM Marc-André Lureau wrote: > Hi Thiebaud > On Wed, Sep 20, 2017 at 10:13 AM, Thiebaud Weksteen wrote: > > With TPM 2.0 specification, the event logs may only be accessible by > > calling an EFI Boot Service. Modify the EFI stub to copy the log area to > > a new Linu

Re: [PATCH V2 2/3] efi: Introduce efi_rts_workqueue and some infrastructure to invoke all efi_runtime_services()

2018-03-06 Thread Mark Rutland
On Mon, Mar 05, 2018 at 03:23:09PM -0800, Sai Praneeth Prakhya wrote: > @@ -329,6 +331,19 @@ static int __init efisubsys_init(void) > return 0; > > /* > + * Since we process only one efi_runtime_service() at a time, an > + * ordered workqueue (which creates only one

Re: [PATCH V2 3/3] efi: Use efi_rts_workqueue to invoke EFI Runtime Services

2018-03-06 Thread Mark Rutland
On Mon, Mar 05, 2018 at 03:23:10PM -0800, Sai Praneeth Prakhya wrote: > From: Sai Praneeth > > Presently, efi_runtime_services() are executed by firmware in process > context. To execute efi_runtime_service(), kernel switches the page > directory from swapper_pgd to efi_pgd. However, efi_pgd does

Re: [PATCH 0/9] KEYS: Blacklisting & UEFI database load

2018-03-06 Thread Jiri Slaby
On 11/16/2016, 07:10 PM, David Howells wrote: > Here are two sets of patches. Firstly, the first three patches provide a > blacklist, making the following changes: ... > Secondly, the remaining patches allow the UEFI database to be used to load > the system keyrings: ... > Dave Howells (2): >

Regression from efi: call get_event_log before ExitBootServices

2018-03-06 Thread Jeremy Cline
Hi folks, Commit 33b6d03469b2 ("efi: call get_event_log before ExitBootServices") causes my GP-electronic T701 tablet to hang when booting. Reverting the patch series or hiding the TPM in the BIOS fixes the problem. I've never fiddled with TPMs before so I'm not sure what what debugging informati