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Author SHA1 Message Date
Lorenzo Stoakes 7146de5ff5 tools: testing: fix phys_addr_t size on 64-bit systems 
The phys_addr_t size is predicated on whether CONFIG_PHYS_ADDR_T_64BIT is
set or not.

In the VMA tests, virt_to_phys() from tools/include/linux casts a volatile
void * pointer to phys_addr_t, if CONFIG_PHYS_ADDR_T_64BIT is not set,
this will be 32-bit and trigger a warning.

Obviously this might also lead to truncation, which we would rather avoid.

Fix this by adjusting the generation of generated/bit-length.h to generate
a CONFIG_PHYS_ADDR_T{bits}BIT define.

This does result in the generation of the useless CONFIG_PHYS_ADDR_T_32BIT
define for 32-bit systems, but this should have no effect, and makes
implementation of this easier.

This resolves the issue and the warning.

[[email protected]: VMA tests not properly importing bit-length.h]
  Link: https://lkml.kernel.org/r/[email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Lorenzo Stoakes <[email protected]>
Tested-by: Liam R. Howlett <[email protected]>
Reviewed-by: Liam R. Howlett <[email protected]>
Cc: Jann Horn <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
 2024-11-06 20:11:15 -08:00
Lorenzo Stoakes c234c65340 tools: fix shared radix-tree build 
The shared radix-tree build is not correctly recompiling when
lib/maple_tree.c and lib/test_maple_tree.c are modified - fix this by
adding these core components to the SHARED_DEPS list.

Additionally, add missing header guards to shared header files.

Link: https://lkml.kernel.org/r/[email protected]
Fixes: 74579d8dab ("tools: separate out shared radix-tree components")
Signed-off-by: Lorenzo Stoakes <[email protected]>
Tested-by: Sidhartha Kumar <[email protected]>
Cc: "Liam R. Howlett" <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
 2024-09-26 14:01:43 -07:00
Lorenzo Stoakes 74579d8dab tools: separate out shared radix-tree components 
The core components contained within the radix-tree tests which provide
shims for kernel headers and access to the maple tree are useful for
testing other things, so separate them out and make the radix tree tests
dependent on the shared components.

This lays the groundwork for us to add VMA tests of the newly introduced
vma.c file.

Link: https://lkml.kernel.org/r/1ee720c265808168e0d75608e687607d77c36719.1722251717.git.lorenzo.stoakes@oracle.com
Signed-off-by: Lorenzo Stoakes <[email protected]>
Acked-by: Vlastimil Babka <[email protected]>
Reviewed-by: Liam R. Howlett <[email protected]>
Cc: Alexander Viro <[email protected]>
Cc: Brendan Higgins <[email protected]>
Cc: Christian Brauner <[email protected]>
Cc: David Gow <[email protected]>
Cc: Eric W. Biederman <[email protected]>
Cc: Jan Kara <[email protected]>
Cc: Kees Cook <[email protected]>
Cc: Matthew Wilcox (Oracle) <[email protected]>
Cc: Rae Moar <[email protected]>
Cc: SeongJae Park <[email protected]>
Cc: Shuah Khan <[email protected]>
Cc: Suren Baghdasaryan <[email protected]>
Cc: Pengfei Xu <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
 2024-09-01 20:25:55 -07:00