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mm: stop using pxd_ERROR()

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pxd_ERROR() has been used in generic mm just to print the page table entry
in pxd_clear_bad() before clearing those out with pxd_clear() later. 
These pxd_ERROR() macros have been provided by all platforms which
basically did the same thing.

Make pxd_clear_bad() use recently added ptval_to_str() instead for
printing page table entries thus completely dropping dependency on
platform provided pxd_ERROR() macros which can then be dropped off later
on.

Link: https://lore.kernel.org/20260831054331.625505-3-anshuman.khandual@arm.com
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: David Hildenbrand (Arm) <david@kernel.org>
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Helge Deller <deller@gmx.de>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: James Bottomley <james.bottomley@HansenPartnership.com>
Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Cc: Rich Felker <dalias@libc.org>
Cc: Samuel Holland <samuel.holland@sifive.com>
Cc: WANG Xuerui <kernel@xen0n.name>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
This commit is contained in:
Anshuman Khandual 2026-08-31 11:13:24 +05:30 committed by Andrew Morton
parent fbcdf5b52f
commit 0666fc9d44
1 changed files with 16 additions and 4 deletions
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20
mm/pgtable-generic.c
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@ -26,14 +26,20 @@
void pgd_clear_bad(pgd_t *pgd)
{
pgd_ERROR(*pgd);
char str[PTVAL_STR_MAX];
ptval_to_str(str, pgd_val(*pgd));
pr_err("bad pgd %s.\n", str);
pgd_clear(pgd);
}
#ifndef __PAGETABLE_P4D_FOLDED
void p4d_clear_bad(p4d_t *p4d)
{
p4d_ERROR(*p4d);
char str[PTVAL_STR_MAX];
ptval_to_str(str, p4d_val(*p4d));
pr_err("bad p4d %s.\n", str);
p4d_clear(p4d);
}
#endif
@ -41,7 +47,10 @@ void p4d_clear_bad(p4d_t *p4d)
#ifndef __PAGETABLE_PUD_FOLDED
void pud_clear_bad(pud_t *pud)
{
pud_ERROR(*pud);
char str[PTVAL_STR_MAX];
ptval_to_str(str, pud_val(*pud));
pr_err("bad pud %s.\n", str);
pud_clear(pud);
}
#endif
@ -53,7 +62,10 @@ void pud_clear_bad(pud_t *pud)
*/
void pmd_clear_bad(pmd_t *pmd)
{
pmd_ERROR(*pmd);
char str[PTVAL_STR_MAX];
ptval_to_str(str, pmd_val(*pmd));
pr_err("bad pmd %s.\n", str);
pmd_clear(pmd);
}