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4c89792ea0
linux/tools/testing
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David Hildenbrand 4c89792ea0 mm: rename vm_ops->find_special_page() to vm_ops->find_normal_page() 
...  and hide it behind a kconfig option.  There is really no need for any
!xen code to perform this check.

The naming is a bit off: we want to find the "normal" page when a PTE was
marked "special".  So it's really not "finding a special" page.

Improve the documentation, and add a comment in the code where XEN ends up
performing the pte_mkspecial() through a hypercall.  More details can be
found in commit 923b2919e2 ("xen/gntdev: mark userspace PTEs as special
on x86 PV guests").

Link: https://lkml.kernel.org/r/20250811112631.759341-12-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Reviewed-by: Wei Yang <richard.weiyang@gmail.com>
Cc: David Vrabel <david.vrabel@citrix.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Barry Song <baohua@kernel.org>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dev Jain <dev.jain@arm.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Jann Horn <jannh@google.com>
Cc: Juegren Gross <jgross@suse.com>
Cc: Lance Yang <lance.yang@linux.dev>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Mariano Pache <npache@redhat.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-09-13 16:54:53 -07:00
..
crypto/chacha20-s390 crypto: lib/chacha - strongly type the ChaCha state 2025-05-12 13:32:53 +08:00
cxl cxl for v6.17 2025-08-01 15:47:06 -07:00
fault-injection
ktest ktest.pl: Add new PATCHCHECK_SKIP option to skip testing individual commits 2025-07-29 09:30:08 -04:00
kunit Revert "kunit: configs: Enable CONFIG_INIT_STACK_ALL_PATTERN in all_tests" 2025-06-03 11:20:21 +02:00
memblock memblock: add MEMBLOCK_RSRV_KERN flag 2025-05-12 23:50:38 -07:00
nvdimm mm: remove callers of pfn_t functionality 2025-07-09 22:42:19 -07:00
radix-tree tools/testing/radix-tree: test maple tree chaining mas_preallocate() calls 2025-07-09 22:42:12 -07:00
rbtree
scatterlist
selftests selftests/proc: test PROCMAP_QUERY ioctl while vma is concurrently modified 2025-09-13 16:54:48 -07:00
shared tools/testing: add linux/args.h header and fix radix, VMA tests 2025-08-19 16:35:54 -07:00
vma mm: rename vm_ops->find_special_page() to vm_ops->find_normal_page() 2025-09-13 16:54:53 -07:00
vsock vsock/test: fix vsock_ioctl_int() check for unsupported ioctl 2025-07-16 16:14:00 -07:00