Re: [PATCH] fs/proc: fix softlockup in __read_vmcore

2024-05-09 Thread Baoquan He
On 05/09/24 at 09:41am, Rik van Riel wrote: > On Thu, 2024-05-09 at 11:52 +0800, Baoquan He wrote: > > Hi, > > > > On 05/07/24 at 09:18am, Rik van Riel wrote: > > > While taking a kernel core dump with makedumpfile on a larger > > > system, > > > softlockup messages often appear. > > > > > >

Re: [PATCH] fs/proc: fix softlockup in __read_vmcore

2024-05-09 Thread Rik van Riel
On Thu, 2024-05-09 at 11:52 +0800, Baoquan He wrote: > Hi, > > On 05/07/24 at 09:18am, Rik van Riel wrote: > > While taking a kernel core dump with makedumpfile on a larger > > system, > > softlockup messages often appear. > > > > While softlockup warnings can be harmless, they can also

Re: [PATCH v6 1/3] efi/x86: Fix EFI memory map corruption with kexec

2024-05-09 Thread Dave Young
On Thu, 9 May 2024 at 17:56, Ruirui Yang wrote: > > On Fri, Apr 26, 2024 at 04:33:48PM +, Ashish Kalra wrote: > > From: Ashish Kalra > > > > With SNP guest kexec observe the following efi memmap corruption : > > > > [0.00] efi: EFI v2.7 by EDK II > > [0.00] efi:

Re: [PATCH v6 1/3] efi/x86: Fix EFI memory map corruption with kexec

2024-05-09 Thread Ruirui Yang
On Fri, Apr 26, 2024 at 04:33:48PM +, Ashish Kalra wrote: > From: Ashish Kalra > > With SNP guest kexec observe the following efi memmap corruption : > > [0.00] efi: EFI v2.7 by EDK II > [0.00] efi: SMBIOS=0x7e33f000 SMBIOS 3.0=0x7e33d000 ACPI=0x7e57e000 > ACPI

Re: [PATCH v4 0/4] x86/snp: Add kexec support

2024-05-09 Thread Vitaly Kuznetsov
Alexander Graf writes: > Correct. With IMA, you even do exactly that: Enforce a signature check > of the next binary with kexec. > > The problem is that you typically want to update the system because > something is broken; most likely your original environment had a > security issue

Re: [PATCH v5 5/8] ima: kexec: move IMA log copy from kexec load to execute

2024-05-09 Thread Petr Tesařík
On Wed, 14 Feb 2024 07:38:24 -0800 Tushar Sugandhi wrote: > ima_dump_measurement_list() is called during kexec 'load', which may > result in loss of IMA measurements during kexec soft reboot. It needs > to be called during kexec 'execute'. > > This patch includes the following changes: > -