Messages in this thread Patch in this message |  | | From | Rosen Penev <> | | Subject | [PATCH] mm: move phys_mem_access_prot_allowed to header | | Date | Mon, 4 May 2026 18:01:12 -0700 |
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phys_mem_access_prot_allowed is only implemented for X86. For others, it returns 1. Move it to header to avoid using __weak.
Fixes compilation with make LLVM=1 ARCH=mips
Signed-off-by: Rosen Penev <rosenp@gmail.com> --- drivers/char/mem.c | 6 ------ include/linux/pgtable.h | 8 ++++++++ 2 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 5fd421e48c04..ae8449674f46 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -239,12 +239,6 @@ static ssize_t write_mem(struct file *file, const char __user *buf, return written; } -int __weak phys_mem_access_prot_allowed(struct file *file, - unsigned long pfn, unsigned long size, pgprot_t *vma_prot) -{ - return 1; -} - #ifndef __HAVE_PHYS_MEM_ACCESS_PROT /* diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index cdd68ed3ae1a..72a7fa388e88 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -2154,8 +2154,16 @@ static inline int pmd_free_pte_page(pmd_t *pmd, unsigned long addr) #endif struct file; +#ifdef CONFIG_X86 int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn, unsigned long size, pgprot_t *vma_prot); +#else +static inline +int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn, + unsigned long size, pgprot_t *vma_prot) { + return 1; +} +#endif #ifndef CONFIG_X86_ESPFIX64 static inline void init_espfix_bsp(void) { } -- 2.54.0
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