Re: [PATCH v5 7/8] execmem: add support for cache of large ROX pages

On Sun, Oct 13, 2024 at 08:26:26PM -0700, Andrew Morton wrote: > On Sun, 13 Oct 2024 11:43:41 +0300 Mike Rapoport wrote: > > > > > The idea is to keep everything together and have execmem_info describe > > > > all > > > > that architecture needs. > > > > > > But why? That's pretty different f

Re: [PATCH v5 7/8] execmem: add support for cache of large ROX pages

Mike, please run this with kmemleak enabled and running, and also try to get tools/testing/selftests/kmod/kmod.sh to pass. I run into silly boot issues with just a guest. Luis ___ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://l

Re: [PATCH v6 5/8] arch: introduce set_direct_map_valid_noflush()

> Signed-off-by: Mike Rapoport (Microsoft) > Reviewed-by: Christoph Hellwig Reviewed-by: Luis Chamberlain Luis ___ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc

Re: [PATCH v6 2/8] mm: vmalloc: don't account for number of nodes for HUGE_VMAP allocations

for number of nodes for VM_ALLOW_HUGE_VMAP with > NUMA_NO_NODE and use huge pages whenever the requested allocation size > is larger than a huge page. > > Signed-off-by: Mike Rapoport (Microsoft) > Reviewed-by: Christoph Hellwig Reviewed-by: Luis Chamberlain Luis __

Re: [PATCH v6 3/8] asm-generic: introduce text-patching.h

amed text-patching.h and add an empty > header in asm-generic for architectures that do not support text patching. > > Signed-off-by: Mike Rapoport (Microsoft) > Reviewed-by: Christoph Hellwig > Acked-by: Geert Uytterhoeven # m68k > Acked-by: Arnd Ber

Re: [PATCH v6 4/8] module: prepare to handle ROX allocations for text

in one go and the writable copy will be freed. > > Add support for that to module initialization code and provide necessary > interfaces in execmem. > > Signed-off-by: Mike Rapoport (Microsoft) Reviewd-by: Luis Chamberlain Luis _

Re: [PATCH v6 7/8] execmem: add support for cache of large ROX pages

hitecture has to implement execmem_fill_trapping_insns() callback > and select ARCH_HAS_EXECMEM_ROX configuration option to be able to use > the ROX cache. > > The cache is enabled on per-range basis when an architecture sets > EXECMEM_ROX_CACHE flag in definition of an execmem_

Re: [PATCH v6 8/8] x86/module: enable ROX caches for module text on 64 bit

On Wed, Oct 16, 2024 at 03:24:24PM +0300, Mike Rapoport wrote: > From: "Mike Rapoport (Microsoft)" > > Enable execmem's cache of PMD_SIZE'ed pages mapped as ROX for module > text allocations on 64 bit. > > Signed-off-by: Mike Rapoport (Microsoft)

Re: [PATCH v6 0/8] x86/module: use large ROX pages for text allocations

On Wed, Oct 16, 2024 at 03:24:16PM +0300, Mike Rapoport wrote: > From: "Mike Rapoport (Microsoft)" > > Hi, > > This is an updated version of execmem ROX caches. > > Andrew, Luis, there is a conflict with Suren's "page allocation tag > compression" patches: > > https://lore.kernel.org/all/20241

Re: [PATCH v6 1/8] mm: vmalloc: group declarations depending on CONFIG_MMU together

dability. > > No functional changes. > > Signed-off-by: Mike Rapoport (Microsoft) > Reviewed-by: Christoph Hellwig Reviewed-by: Luis Chamberlain Luis ___ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc

Re: [PATCH v5 7/8] execmem: add support for cache of large ROX pages

On Wed, Oct 16, 2024 at 01:40:55PM +0300, Mike Rapoport wrote: > On Tue, Oct 15, 2024 at 01:11:54PM -0700, Luis Chamberlain wrote: > > On Tue, Oct 15, 2024 at 08:54:29AM +0300, Mike Rapoport wrote: > > > On Mon, Oct 14, 2024 at 09:09:49PM -0700, Luis Chamberlain wrote: > &

Re: [PATCH v5 7/8] execmem: add support for cache of large ROX pages

On Tue, Oct 15, 2024 at 08:54:29AM +0300, Mike Rapoport wrote: > On Mon, Oct 14, 2024 at 09:09:49PM -0700, Luis Chamberlain wrote: > > Mike, please run this with kmemleak enabled and running, and also try to get > > tools/testing/selftests/kmod/kmod.sh to pass. > > Th