Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
riscv: mm: use xchg() on non-atomic_long_t variables, not atomic_long_xchg()
Let's not call atomic_long_xchg() on something that's not an
atomic_long_t, and just use xchg() instead. Continues the cleanup
from commit 546e42c8c6d94 ("riscv: Use an atomic xchg in
pudp_huge_get_and_clear()"),
Cc: Alexandre Ghiti <alex@ghiti.fr>
Signed-off-by: Paul Walmsley <pjw@kernel.org>
+2
-2
+2
-2
arch/riscv/include/asm/pgtable.h
+2
-2
arch/riscv/include/asm/pgtable.h
···
661
661
unsigned long address, pte_t *ptep)
662
662
{
663
663
#ifdef CONFIG_SMP
664
-
pte_t pte = __pte(atomic_long_xchg((atomic_long_t *)ptep, 0));
664
+
pte_t pte = __pte(xchg(&ptep->pte, 0));
665
665
#else
666
666
pte_t pte = *ptep;
667
667
···
1004
1004
unsigned long address, pmd_t *pmdp)
1005
1005
{
1006
1006
#ifdef CONFIG_SMP
1007
-
pmd_t pmd = __pmd(atomic_long_xchg((atomic_long_t *)pmdp, 0));
1007
+
pmd_t pmd = __pmd(xchg(&pmdp->pmd, 0));
1008
1008
#else
1009
1009
pmd_t pmd = *pmdp;
1010
1010