Re: [RFC V2 4/6] sh/mm: Stop using [p4d|pud|pmd]_ERROR()
"David Hildenbrand (Arm)" <[email protected]>
| Newsgroups | gmane.linux.ports.ppc.embedded,gmane.linux.kernel.mm,gmane.linux.ports.alpha,gmane.linux.kernel.arc,gmane.linux.ports.arm.kernel,gmane.linux.ports.hexagon,gmane.linux.ports.mips,gmane.linux.ports.parisc,gmane.linux.ports.riscv,gmane.linux.ports.sh.devel,gmane.linux.ports.sparc,gmane.linux.uml.devel,gmane.linux.kernel.cross-arch,gmane.linux.kernel |
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| Message-ID | <[email protected]> |
On 8/11/26 06:21, Anshuman Khandual wrote: > Stop using [p4d|pud|pmd]_ERROR() in __get_pte_phys() as the pgtable entries > are known to be NULL and hence could not really be accessed. > > Cc: Yoshinori Sato <[email protected]> > Cc: Rich Felker <[email protected]> > Cc: John Paul Adrian Glaubitz <[email protected]> > Cc: [email protected] > Cc: [email protected] > Signed-off-by: Anshuman Khandual <[email protected]> > --- > arch/sh/mm/init.c | 12 +++--------- > 1 file changed, 3 insertions(+), 9 deletions(-) > > diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c > index b3c7fd84ceb4..0bb8555568a4 100644 > --- a/arch/sh/mm/init.c > +++ b/arch/sh/mm/init.c > @@ -58,22 +58,16 @@ static pte_t *__get_pte_phys(unsigned long addr) > } > > p4d = p4d_alloc(NULL, pgd, addr); > - if (unlikely(!p4d)) { > - p4d_ERROR(*p4d); > + if (unlikely(!p4d)) > return NULL; > - } > > pud = pud_alloc(NULL, p4d, addr); > - if (unlikely(!pud)) { > - pud_ERROR(*pud); > + if (unlikely(!pud)) > return NULL; > - } > > pmd = pmd_alloc(NULL, pud, addr); > - if (unlikely(!pmd)) { > - pmd_ERROR(*pmd); > + if (unlikely(!pmd)) > return NULL; > - } > > return pte_offset_kernel(pmd, addr); > } Do we want to print an error like "allocating p4d table failed"? Reviewed-by: David Hildenbrand (Arm) <[email protected]> -- Cheers, David