Re: [RFC] efi/tpm: add efi.tpm_log as a reserved region in 820_table_firmware

2024-09-13 Thread James Bottomley
On Fri, 2024-09-13 at 04:57 -0700, Breno Leitao wrote: > Hello James, > > On Thu, Sep 12, 2024 at 12:22:01PM -0400, James Bottomley wrote: > > On Thu, 2024-09-12 at 06:03 -0700, Breno Leitao wrote: > > > Hello Ard, > > > > > > On Thu, Sep 12, 2024

Re: [RFC] efi/tpm: add efi.tpm_log as a reserved region in 820_table_firmware

2024-09-12 Thread James Bottomley
On Thu, 2024-09-12 at 06:03 -0700, Breno Leitao wrote: > Hello Ard, > > On Thu, Sep 12, 2024 at 12:51:57PM +0200, Ard Biesheuvel wrote: > > I don't see how this could be an EFI bug, given that it does not > > deal with E820 tables at all. > > I want to back up a little bit and make sure I am foll

Re: [PATCH v7 06/13] x86: Add early SHA support for Secure Launch early measurements

2023-11-11 Thread James Bottomley
On Sat, 2023-11-11 at 18:19 +, Andrew Cooper wrote: > On 11/11/2023 5:44 pm, Eric Biggers wrote: > > On Fri, Nov 10, 2023 at 05:27:44PM -0500, Ross Philipson wrote: > > >  arch/x86/boot/compressed/early_sha1.c   | 12 > > >  lib/crypto/sha1.c   | 81 > > > +++

Re: [RFC] IMA Log Snapshotting Design Proposal

2023-08-10 Thread James Bottomley
On Wed, 2023-08-09 at 21:43 -0700, Tushar Sugandhi wrote: > On 8/8/23 14:41, James Bottomley wrote: > > On Tue, 2023-08-08 at 16:09 -0400, Stefan Berger wrote: [...] > > >   at this point doesn't seem necessary since one presumably can > > > verify the log an

Re: [RFC] IMA Log Snapshotting Design Proposal

2023-08-08 Thread James Bottomley
On Tue, 2023-08-08 at 16:09 -0400, Stefan Berger wrote: > > > On 8/8/23 14:26, James Bottomley wrote: > > On Tue, 2023-08-08 at 09:31 -0400, Stefan Berger wrote: > > > > > > > > > On 8/8/23 08:35, James Bottomley wrote: > > > >

Re: [RFC] IMA Log Snapshotting Design Proposal

2023-08-08 Thread James Bottomley
On Tue, 2023-08-08 at 09:31 -0400, Stefan Berger wrote: > > > On 8/8/23 08:35, James Bottomley wrote: > > On Mon, 2023-08-07 at 18:49 -0400, Stefan Berger wrote: > > > > > > > > > On 8/1/23 17:21, James Bottomley wrote: > > > > On Tue

Re: [RFC] IMA Log Snapshotting Design Proposal

2023-08-08 Thread James Bottomley
On Mon, 2023-08-07 at 18:49 -0400, Stefan Berger wrote: > > > On 8/1/23 17:21, James Bottomley wrote: > > On Tue, 2023-08-01 at 12:12 -0700, Sush Shringarputale wrote: > > [...] > > > Truncating IMA log to reclaim memory is not feasible, since it > > > ma

Re: [RFC] IMA Log Snapshotting Design Proposal

2023-08-01 Thread James Bottomley
On Tue, 2023-08-01 at 12:12 -0700, Sush Shringarputale wrote: [...] > Truncating IMA log to reclaim memory is not feasible, since it makes > the log go out of sync with the TPM PCR quote making remote > attestation fail. This assumption isn't entirely true. It's perfectly possible to shard an IMA

Re: [PATCH RFC PKS/PMEM 22/58] fs/f2fs: Utilize new kmap_thread()

2020-10-09 Thread James Bottomley
On Fri, 2020-10-09 at 14:34 -0700, Eric Biggers wrote: > On Fri, Oct 09, 2020 at 12:49:57PM -0700, ira.we...@intel.com wrote: > > From: Ira Weiny > > > > The kmap() calls in this FS are localized to a single thread. To > > avoid the over head of global PKRS updates use the new > > kmap_thread()

Re: [PATCH] kdump: Fix crash_kexec - smp_send_stop race in panic

2011-11-13 Thread James Bottomley
On Fri, 2011-11-11 at 13:28 +0100, Michael Holzheu wrote: > Hello Chris, > > On Thu, 2011-11-10 at 10:11 -0500, Chris Metcalf wrote: > > On 11/10/2011 9:22 AM, Michael Holzheu wrote: > > [snip] > > > If a cleaner API seems useful (either for power reasons or restartability > > or whatever), I s

Re: [PATCH] kdump: Fix crash_kexec - smp_send_stop race in panic

2011-11-10 Thread James Bottomley
On Wed, 2011-11-09 at 16:04 -0800, Andrew Morton wrote: > On Thu, 03 Nov 2011 11:07:24 +0100 > Michael Holzheu wrote: > > > Hello Andrew, > > > > On Mon, 2011-10-31 at 03:39 -0700, Andrew Morton wrote: > > > On Mon, 31 Oct 2011 10:57:16 +0100 Michael Holzheu > > > wrote: > > > > > > > > Shoul