Re: [RFC PATCH 0/3] um: clean up mm creation - another attempt

2024-01-17 Thread Benjamin Berg
Hi, On Wed, 2023-09-27 at 11:52 +0200, Benjamin Berg wrote: > [SNIP] > Once we are there, we can look for optimizations. The fundamental > problem is that page faults (even minor ones) are extremely expensive > for us. > > Just throwing out ideas on what we could do: >    1. SECCOMP as that reduc

Re: [PATCH 4/6] of: Create of_root if no dtb provided by firmware

2024-01-17 Thread Rob Herring
On Tue, Jan 16, 2024 at 05:18:15PM -0800, Stephen Boyd wrote: > Quoting Rob Herring (2024-01-15 12:32:30) > > On Fri, Jan 12, 2024 at 12:07:47PM -0800, Stephen Boyd wrote: > > > diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig > > > index da9826accb1b..9628e48baa15 100644 > > > --- a/drivers/of

Re: [PATCH 1/6] arm64: Unconditionally call unflatten_device_tree()

2024-01-17 Thread Rob Herring
On Tue, Jan 16, 2024 at 05:27:18PM -0800, Stephen Boyd wrote: > Quoting Mark Rutland (2024-01-16 03:51:14) > > Hi Stephen, > > > > On Fri, Jan 12, 2024 at 12:07:44PM -0800, Stephen Boyd wrote: > > > Call this function unconditionally so that we can populate an empty DTB > > > on platforms that don

Re: [RFC PATCH 0/3] um: clean up mm creation - another attempt

2024-01-17 Thread Benjamin Berg
On Wed, 2024-01-17 at 19:45 +, Anton Ivanov wrote: > On 17/01/2024 17:17, Benjamin Berg wrote: > > Hi, > > > > On Wed, 2023-09-27 at 11:52 +0200, Benjamin Berg wrote: > > > [SNIP] > > > Once we are there, we can look for optimizations. The fundamental > > > problem is that page faults (even mi

Re: [GIT PULL] UML updates for v6.8-rc1

2024-01-17 Thread pr-tracker-bot
The pull request you sent on Sat, 13 Jan 2024 21:38:24 +0100 (CET): > git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux.git > tags/uml-for-linus-6.8-rc1 has been merged into torvalds/linux.git: https://git.kernel.org/torvalds/c/6cff79f4b90a42d73f039564f09fa5d59ec3d8ab Thank you! -- Deet

Re: [RFC PATCH 0/3] um: clean up mm creation - another attempt

2024-01-17 Thread Anton Ivanov
On 17/01/2024 17:17, Benjamin Berg wrote: Hi, On Wed, 2023-09-27 at 11:52 +0200, Benjamin Berg wrote: [SNIP] Once we are there, we can look for optimizations. The fundamental problem is that page faults (even minor ones) are extremely expensive for us. Just throwing out ideas on what we could

Re: [PATCH 1/6] arm64: Unconditionally call unflatten_device_tree()

2024-01-17 Thread Stephen Boyd
Quoting Rob Herring (2024-01-17 09:54:48) > On Tue, Jan 16, 2024 at 05:27:18PM -0800, Stephen Boyd wrote: > > Quoting Mark Rutland (2024-01-16 03:51:14) > > > Hi Stephen, > > > > > > On Fri, Jan 12, 2024 at 12:07:44PM -0800, Stephen Boyd wrote: > > > > Call this function unconditionally so that we