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2022-04-05module: Move procfs support into a separate fileAaron Tomlin
No functional change. This patch migrates code that allows one to generate a list of loaded/or linked modules via /proc when procfs support is enabled into kernel/module/procfs.c. Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Aaron Tomlin <atomlin@redhat.com> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
2022-04-05module: kallsyms: Fix suspicious rcu usageAaron Tomlin
No functional change. The purpose of this patch is to address the various Sparse warnings due to the incorrect dereference/or access of an __rcu pointer. Signed-off-by: Aaron Tomlin <atomlin@redhat.com> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
2022-04-05module: Move kallsyms support into a separate fileAaron Tomlin
No functional change. This patch migrates kallsyms code out of core module code kernel/module/kallsyms.c Signed-off-by: Aaron Tomlin <atomlin@redhat.com> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
2022-04-05module: Move kmemleak support to a separate fileAaron Tomlin
No functional change. This patch migrates kmemleak code out of core module code into kernel/module/debug_kmemleak.c Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Aaron Tomlin <atomlin@redhat.com> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
2022-04-05module: Move extra signature support out of core codeAaron Tomlin
No functional change. This patch migrates additional module signature check code from core module code into kernel/module/signing.c. Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Aaron Tomlin <atomlin@redhat.com> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
2022-04-05module: Move strict rwx support to a separate fileAaron Tomlin
No functional change. This patch migrates code that makes module text and rodata memory read-only and non-text memory non-executable from core module code into kernel/module/strict_rwx.c. Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Aaron Tomlin <atomlin@redhat.com> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
2022-04-05module: Move latched RB-tree support to a separate fileAaron Tomlin
No functional change. This patch migrates module latched RB-tree support (e.g. see __module_address()) from core module code into kernel/module/tree_lookup.c. Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Aaron Tomlin <atomlin@redhat.com> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
2022-04-05module: Move livepatch support to a separate fileAaron Tomlin
No functional change. This patch migrates livepatch support (i.e. used during module add/or load and remove/or deletion) from core module code into kernel/module/livepatch.c. At the moment it contains code to persist Elf information about a given livepatch module, only. The new file was added to MAINTAINERS. Reviewed-by: Petr Mladek <pmladek@suse.com> Tested-by: Petr Mladek <pmladek@suse.com> Signed-off-by: Aaron Tomlin <atomlin@redhat.com> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
2022-04-05module: Make internal.h and decompress.c more compliantAaron Tomlin
This patch will address the following warning and style violations generated by ./scripts/checkpatch.pl in strict mode: WARNING: Use #include <linux/module.h> instead of <asm/module.h> #10: FILE: kernel/module/internal.h:10: +#include <asm/module.h> CHECK: spaces preferred around that '-' (ctx:VxV) #18: FILE: kernel/module/internal.h:18: +#define INIT_OFFSET_MASK (1UL << (BITS_PER_LONG-1)) CHECK: Please use a blank line after function/struct/union/enum declarations #69: FILE: kernel/module/internal.h:69: +} +static inline void module_decompress_cleanup(struct load_info *info) ^ CHECK: extern prototypes should be avoided in .h files #84: FILE: kernel/module/internal.h:84: +extern int mod_verify_sig(const void *mod, struct load_info *info); WARNING: Missing a blank line after declarations #116: FILE: kernel/module/decompress.c:116: + struct page *page = module_get_next_page(info); + if (!page) { WARNING: Missing a blank line after declarations #174: FILE: kernel/module/decompress.c:174: + struct page *page = module_get_next_page(info); + if (!page) { CHECK: Please use a blank line after function/struct/union/enum declarations #258: FILE: kernel/module/decompress.c:258: +} +static struct kobj_attribute module_compression_attr = __ATTR_RO(compression); Note: Fortunately, the multiple-include optimisation found in include/linux/module.h will prevent duplication/or inclusion more than once. Fixes: f314dfea16a0 ("modsign: log module name in the event of an error") Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Aaron Tomlin <atomlin@redhat.com> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
2022-04-05module: Simple refactor in preparation for splitAaron Tomlin
No functional change. This patch makes it possible to move non-essential code out of core module code. Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Aaron Tomlin <atomlin@redhat.com> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
2022-04-04module: Move all into module/Aaron Tomlin
No functional changes. This patch moves all module related code into a separate directory, modifies each file name and creates a new Makefile. Note: this effort is in preparation to refactor core module code. Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Aaron Tomlin <atomlin@redhat.com> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>