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charset=UTF-8 Content-Transfer-Encoding: 7bit X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 9/7/26 05:50, Anshuman Khandual wrote: > Route all cmpxchg() operations performed on various page table entries to a > new ptval_cmpxchg_relaxed() helper. Similarly route all xchg() operations > performed on page table entries to a new ptval_xchg_relaxed() helper. > > Currently these helpers just forward to the same APIs that were previously > called direct, but in future we will change the routing for D128 which is > too long to use the standard APIs. > > Cc: Catalin Marinas > Cc: Will Deacon > Cc: Ryan Roberts > Cc: Mark Rutland > Cc: linux-arm-kernel@lists.infradead.org > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Anshuman Khandual > --- [...] > case PAGE_SIZE: > @@ -1400,7 +1411,7 @@ static inline void ___ptep_set_wrprotect(struct mm_struct *mm, > do { > old_pte = pte; > pte = pte_wrprotect(pte); > - pte_val(pte) = cmpxchg_relaxed(&pte_val(*ptep), > + pte_val(pte) = ptval_cmpxchg_relaxed(&pte_val(*ptep), > pte_val(old_pte), pte_val(pte)); Indentation goes out of sync here. > } while (pte_val(pte) != pte_val(old_pte)); > } > @@ -1438,7 +1449,7 @@ static inline void __clear_young_dirty_pte(struct vm_area_struct *vma, > if (flags & CYDP_CLEAR_DIRTY) > pte = pte_mkclean(pte); > > - pte_val(pte) = cmpxchg_relaxed(&pte_val(*ptep), > + pte_val(pte) = ptval_cmpxchg_relaxed(&pte_val(*ptep), > pte_val(old_pte), pte_val(pte)); Same here Reviewed-by: David Hildenbrand (Arm) -- Cheers, David