diff options
| author |   Mike Rapoport (Microsoft) <rppt@kernel.org> | 2025-06-03 14:14:43 +0300 |
|---|---|---|
| committer |   Peter Zijlstra <peterz@infradead.org> | 2025-06-11 11:20:51 +0200 |
| commit | 0b0cae7119a0ec9449d7261b5e672a5fed765068 (patch) | |
| tree | 9cd07347e85d58f197268109babe803cf7b18964 /arch/x86/include | |
| parent | x86/Kconfig: only enable ROX cache in execmem when STRICT_MODULE_RWX is set (diff) | |
| download | wireguard-linux-0b0cae7119a0ec9449d7261b5e672a5fed765068.tar.xz wireguard-linux-0b0cae7119a0ec9449d7261b5e672a5fed765068.zip | |
x86/its: move its_pages array to struct mod_arch_specific
The of pages with ITS thunks allocated for modules are tracked by an
array in 'struct module'.
Since this is very architecture specific data structure, move it to
'struct mod_arch_specific'.
No functional changes.
Fixes: 872df34d7c51 ("x86/its: Use dynamic thunks for indirect branches")
Suggested-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/20250603111446.2609381-4-rppt@kernel.org
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/module.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/include/asm/module.h b/arch/x86/include/asm/module.h index e988bac0a4a1..3c2de4ce3b10 100644 --- a/arch/x86/include/asm/module.h +++ b/arch/x86/include/asm/module.h @@ -5,12 +5,20 @@ #include <asm-generic/module.h> #include <asm/orc_types.h> +struct its_array { +#ifdef CONFIG_MITIGATION_ITS + void **pages; + int num; +#endif +}; + struct mod_arch_specific { #ifdef CONFIG_UNWINDER_ORC unsigned int num_orcs; int *orc_unwind_ip; struct orc_entry *orc_unwind; #endif + struct its_array its_pages; }; #endif /* _ASM_X86_MODULE_H */ |