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| author | Eric Biggers <ebiggers@google.com> | 2025-05-12 19:58:39 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2025-05-13 14:36:08 -0700 |
| commit | 9f35e33144ae5377d6a8de86dd3bd4d995c6ac65 (patch) | |
| tree | 07129e4ff4c9fd43b1b675ec512a203d0948488b /arch/x86 | |
| parent | 405e6c37c89ef0df2bfc7a988820a3df22dacb1b (diff) | |
| download | linux-stable-master.tar.gz linux-stable-master.tar.bz2 linux-stable-master.zip | |
Fix several build errors when CONFIG_MODULES=n, including the following:
../arch/x86/kernel/alternative.c:195:25: error: incomplete definition of type 'struct module'
195 | for (int i = 0; i < mod->its_num_pages; i++) {
Fixes: 872df34d7c51 ("x86/its: Use dynamic thunks for indirect branches")
Cc: stable@vger.kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>
Acked-by: Dave Hansen <dave.hansen@intel.com>
Tested-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kernel/alternative.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c index 48fd04e90114..45bcff181cba 100644 --- a/arch/x86/kernel/alternative.c +++ b/arch/x86/kernel/alternative.c @@ -133,7 +133,9 @@ static bool cfi_paranoid __ro_after_init; #ifdef CONFIG_MITIGATION_ITS +#ifdef CONFIG_MODULES static struct module *its_mod; +#endif static void *its_page; static unsigned int its_offset; @@ -171,6 +173,7 @@ static void *its_init_thunk(void *thunk, int reg) return thunk + offset; } +#ifdef CONFIG_MODULES void its_init_mod(struct module *mod) { if (!cpu_feature_enabled(X86_FEATURE_INDIRECT_THUNK_ITS)) @@ -209,6 +212,7 @@ void its_free_mod(struct module *mod) } kfree(mod->its_page_array); } +#endif /* CONFIG_MODULES */ static void *its_alloc(void) { @@ -217,6 +221,7 @@ static void *its_alloc(void) if (!page) return NULL; +#ifdef CONFIG_MODULES if (its_mod) { void *tmp = krealloc(its_mod->its_page_array, (its_mod->its_num_pages+1) * sizeof(void *), @@ -229,6 +234,7 @@ static void *its_alloc(void) execmem_make_temp_rw(page, PAGE_SIZE); } +#endif /* CONFIG_MODULES */ return no_free_ptr(page); } |