Messages in this thread Patch in this message | | | From | Vincenzo Frascino <> | Subject | [PATCH v16 6/9] arm64: mte: Conditionally compile mte_enable_kernel_*() | Date | Mon, 15 Mar 2021 13:20:16 +0000 |
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mte_enable_kernel_*() are not needed if KASAN_HW is disabled.
Add ash defines around the functions to conditionally compile the functions.
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com> --- arch/arm64/kernel/mte.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/arch/arm64/kernel/mte.c b/arch/arm64/kernel/mte.c index 9362928ba0d5..50f0724c8d8f 100644 --- a/arch/arm64/kernel/mte.c +++ b/arch/arm64/kernel/mte.c @@ -26,9 +26,11 @@ u64 gcr_kernel_excl __ro_after_init; static bool report_fault_once = true; +#ifdef CONFIG_KASAN_HW_TAGS /* Whether the MTE asynchronous mode is enabled. */ DEFINE_STATIC_KEY_FALSE(mte_async_mode); EXPORT_SYMBOL_GPL(mte_async_mode); +#endif static void mte_sync_page_tags(struct page *page, pte_t *ptep, bool check_swap) { @@ -120,6 +122,7 @@ static inline void __mte_enable_kernel(const char *mode, unsigned long tcf) pr_info_once("MTE: enabled in %s mode at EL1\n", mode); } +#ifdef CONFIG_KASAN_HW_TAGS void mte_enable_kernel_sync(void) { /* @@ -147,6 +150,7 @@ void mte_enable_kernel_async(void) if (!system_uses_mte_async_mode()) static_branch_enable(&mte_async_mode); } +#endif void mte_set_report_once(bool state) { -- 2.30.2
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