On 8/11/26 06:21, Anshuman Khandual wrote:
> Directly use pr_err() in __set_fixmap() and drop pte_ERROR() which helps in
> eventually dropping pte_ERROR() macro across the tree. In this new printing
> __FILE__ and __LINE__ has been dropped because they are always the same and
> don't really add any value.
>
> Cc: Huacai Chen <[email protected]>
> Cc: WANG Xuerui <[email protected]>
> Cc: [email protected]
> Cc: [email protected]
> Signed-off-by: Anshuman Khandual <[email protected]>
> ---
> arch/loongarch/include/asm/pgtable.h | 2 --
> arch/loongarch/mm/init.c | 2 +-
> 2 files changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/arch/loongarch/include/asm/pgtable.h
> b/arch/loongarch/include/asm/pgtable.h
> index 223528c04d73..a32a8fff70c1 100644
> --- a/arch/loongarch/include/asm/pgtable.h
> +++ b/arch/loongarch/include/asm/pgtable.h
> @@ -128,8 +128,6 @@ struct vm_area_struct;
> #define ptep_get(ptep) READ_ONCE(*(ptep))
> #define pmdp_get(pmdp) READ_ONCE(*(pmdp))
>
> -#define pte_ERROR(e) \
> - pr_err("%s:%d: bad pte %016lx.\n", __FILE__, __LINE__, pte_val(e))
> #ifndef __PAGETABLE_PMD_FOLDED
> #define pmd_ERROR(e) \
> pr_err("%s:%d: bad pmd %016lx.\n", __FILE__, __LINE__, pmd_val(e))
> diff --git a/arch/loongarch/mm/init.c b/arch/loongarch/mm/init.c
> index 3407030f3e7a..be9b127daef2 100644
> --- a/arch/loongarch/mm/init.c
> +++ b/arch/loongarch/mm/init.c
> @@ -203,7 +203,7 @@ void __init __set_fixmap(enum fixed_addresses idx,
>
> ptep = populate_kernel_pte(addr);
> if (!pte_none(ptep_get(ptep))) {
> - pte_ERROR(*ptep);
> + pr_err("bad pte %016lx\n", pte_val(*ptep));
> return;
> }
>
Ah, I missed that we want to print actual values, I somehow thought that we
would be printing pte_none() ...
Maybe we should just be more verbose while at it?
pr_err("unexpected set PTE at %ul in __set_fixmap: %016lx\n",
addr, pte_val(*ptep));
--
Cheers,
David
