Re: [PATCH RFC v3 1/2] mm: Add personality flag to limit address to 47 bits

2024-09-13 Thread Charlie Jenkins
On Fri, Sep 13, 2024 at 08:41:34AM +0100, Lorenzo Stoakes wrote: > On Wed, Sep 11, 2024 at 11:18:12PM GMT, Charlie Jenkins wrote: > > On Wed, Sep 11, 2024 at 07:21:27PM +0100, Catalin Marinas wrote: > > > On Tue, Sep 10, 2024 at 05:45:07PM -0700, Charlie Jenkins wrote: > > > > On Tue, Sep 10, 2024

Re: [PATCH RFC v3 1/2] mm: Add personality flag to limit address to 47 bits

2024-09-13 Thread Charlie Jenkins
On Fri, Sep 13, 2024 at 11:08:23AM +0100, Catalin Marinas wrote: > On Thu, Sep 12, 2024 at 02:15:59PM -0700, Charlie Jenkins wrote: > > On Thu, Sep 12, 2024 at 11:53:49AM +0100, Catalin Marinas wrote: > > > On Wed, Sep 11, 2024 at 11:18:12PM -0700, Charlie Jenkins wrote: > > > > Opting-in to the hi

Re: [PATCH v3 7/8] execmem: add support for cache of large ROX pages

2024-09-13 Thread Ard Biesheuvel
Hi Mike, On Mon, 9 Sept 2024 at 08:51, Mike Rapoport wrote: > > From: "Mike Rapoport (Microsoft)" > > Using large pages to map text areas reduces iTLB pressure and improves > performance. > > Extend execmem_alloc() with an ability to use huge pages with ROX > permissions as a cache for smaller a

Re: [PATCH RFC v3 1/2] mm: Add personality flag to limit address to 47 bits

2024-09-13 Thread Catalin Marinas
On Fri, Sep 13, 2024 at 11:08:23AM +0100, Catalin Marinas wrote: > On Thu, Sep 12, 2024 at 02:15:59PM -0700, Charlie Jenkins wrote: > > On Thu, Sep 12, 2024 at 11:53:49AM +0100, Catalin Marinas wrote: > > > On Wed, Sep 11, 2024 at 11:18:12PM -0700, Charlie Jenkins wrote: > > > > Opting-in to the hi

Re: [PATCH RFC v3 1/2] mm: Add personality flag to limit address to 47 bits

2024-09-13 Thread Catalin Marinas
On Thu, Sep 12, 2024 at 02:15:59PM -0700, Charlie Jenkins wrote: > On Thu, Sep 12, 2024 at 11:53:49AM +0100, Catalin Marinas wrote: > > On Wed, Sep 11, 2024 at 11:18:12PM -0700, Charlie Jenkins wrote: > > > Opting-in to the higher address space is reasonable. However, it is not > > > my preference,

Re: [PATCH RFC v3 1/2] mm: Add personality flag to limit address to 47 bits

2024-09-13 Thread Lorenzo Stoakes
On Wed, Sep 11, 2024 at 11:18:12PM GMT, Charlie Jenkins wrote: > On Wed, Sep 11, 2024 at 07:21:27PM +0100, Catalin Marinas wrote: > > On Tue, Sep 10, 2024 at 05:45:07PM -0700, Charlie Jenkins wrote: > > > On Tue, Sep 10, 2024 at 03:08:14PM -0400, Liam R. Howlett wrote: > > > > * Catalin Marinas [2