From nobody Sun Feb 8 11:44:38 2026 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 844EC50275 for ; Thu, 29 Feb 2024 08:43:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709196212; cv=none; b=Wv+mzj6/kIuovm3yApG1wqZV/iIovmrR14TuDSptClZOg8eLMOyFxmaYrwqsKQs9Qt7RACccIlbqQK33bUZRmPvjF4fVEQT1YsxGrtwEU8qP1BgFQxDRQ2fwKoqPm1qTRNKLsgpww5Gyg3nppJEW8dHPYJEGcSDGbhFx9f8K3Jc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709196212; c=relaxed/simple; bh=D3gosUAbJ411jF5gJMOHU52/qPrsWux46CaF4VHvHXo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=t3yENasO0UUPfpdANUmPNvrDMKTt/2M7fkbheeJ7NtLEeI8LZxSCdCGQRrrPbykrk+b1gIctGe56NE+IOwMaKCemUaWZv5sgi7G3I5XgBJIeSqAzn7KrV/8yjg9SLvEOOpa0ap8ydruC4dR2OkN2JGrkQ5M0CUqV/9cKwLUC6YE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=FMF3HkMv; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="FMF3HkMv" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1709196209; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=zEIsgpr2yLoy4elJT8aXcINQKUFxaL7Rf0iNOo8Hn4s=; b=FMF3HkMv4tmab7s0fPbIp+yoZkg45MOf1NVZjK4nFBn4WqsEPAzObIHcIGaUWgDzKgl0/E QOpOLQXdWAv/cTvMk8xvYVDghQS6SoXA7v4m4B7a0U08rYfxdx4JUTCE2p6aKDvx3/gzSR l+WKGY3DHNVgLAaY0C3IZfbocvYFkc8= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-528-ZGrhDu18OWup79m2yW0rKA-1; Thu, 29 Feb 2024 03:43:22 -0500 X-MC-Unique: ZGrhDu18OWup79m2yW0rKA-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 0DEB184AC60; Thu, 29 Feb 2024 08:43:22 +0000 (UTC) Received: from x1n.redhat.com (unknown [10.72.116.12]) by smtp.corp.redhat.com (Postfix) with ESMTP id 436911807; Thu, 29 Feb 2024 08:43:14 +0000 (UTC) From: peterx@redhat.com To: linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org, Yang Shi , "Kirill A . Shutemov" , Jason Gunthorpe , peterx@redhat.com, Muchun Song , Andrew Morton , x86@kernel.org, Michael Ellerman , Nicholas Piggin , "Aneesh Kumar K.V" , "Naveen N. Rao" , Christophe Leroy Subject: [PATCH v2 2/7] mm/ppc: Replace pXd_is_leaf() with pXd_leaf() Date: Thu, 29 Feb 2024 16:42:53 +0800 Message-ID: <20240229084258.599774-3-peterx@redhat.com> In-Reply-To: <20240229084258.599774-1-peterx@redhat.com> References: <20240229084258.599774-1-peterx@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.1 Content-Type: text/plain; charset="utf-8" From: Peter Xu They're the same macros underneath. Drop pXd_is_leaf(), instead always use pXd_leaf(). At the meantime, instead of renames, drop the pXd_is_leaf() fallback definitions directly in arch/powerpc/include/asm/pgtable.h. because similar fallback macros for pXd_leaf() are already defined in include/linux/pgtable.h. Cc: Michael Ellerman Cc: Nicholas Piggin Cc: "Aneesh Kumar K.V" Cc: "Naveen N. Rao" Cc: linuxppc-dev@lists.ozlabs.org Suggested-by: Christophe Leroy Signed-off-by: Peter Xu Reviewed-by: Jason Gunthorpe --- arch/powerpc/include/asm/book3s/64/pgtable.h | 10 ++++---- arch/powerpc/include/asm/pgtable.h | 24 -------------------- arch/powerpc/kvm/book3s_64_mmu_radix.c | 12 +++++----- arch/powerpc/mm/book3s64/radix_pgtable.c | 14 ++++++------ arch/powerpc/mm/pgtable.c | 6 ++--- arch/powerpc/mm/pgtable_64.c | 6 ++--- arch/powerpc/xmon/xmon.c | 6 ++--- 7 files changed, 26 insertions(+), 52 deletions(-) diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/in= clude/asm/book3s/64/pgtable.h index d1318e8582ac..3e99e409774a 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable.h @@ -1439,18 +1439,16 @@ static inline bool is_pte_rw_upgrade(unsigned long = old_val, unsigned long new_va /* * Like pmd_huge() and pmd_large(), but works regardless of config options */ -#define pmd_is_leaf pmd_is_leaf -#define pmd_leaf pmd_is_leaf +#define pmd_leaf pmd_leaf #define pmd_large pmd_leaf -static inline bool pmd_is_leaf(pmd_t pmd) +static inline bool pmd_leaf(pmd_t pmd) { return !!(pmd_raw(pmd) & cpu_to_be64(_PAGE_PTE)); } =20 -#define pud_is_leaf pud_is_leaf -#define pud_leaf pud_is_leaf +#define pud_leaf pud_leaf #define pud_large pud_leaf -static inline bool pud_is_leaf(pud_t pud) +static inline bool pud_leaf(pud_t pud) { return !!(pud_raw(pud) & cpu_to_be64(_PAGE_PTE)); } diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/= pgtable.h index 5928b3c1458d..e6edf1cdbc5b 100644 --- a/arch/powerpc/include/asm/pgtable.h +++ b/arch/powerpc/include/asm/pgtable.h @@ -182,30 +182,6 @@ static inline void pte_frag_set(mm_context_t *ctx, voi= d *p) } #endif =20 -#ifndef pmd_is_leaf -#define pmd_is_leaf pmd_is_leaf -static inline bool pmd_is_leaf(pmd_t pmd) -{ - return false; -} -#endif - -#ifndef pud_is_leaf -#define pud_is_leaf pud_is_leaf -static inline bool pud_is_leaf(pud_t pud) -{ - return false; -} -#endif - -#ifndef p4d_is_leaf -#define p4d_is_leaf p4d_is_leaf -static inline bool p4d_is_leaf(p4d_t p4d) -{ - return false; -} -#endif - #define pmd_pgtable pmd_pgtable static inline pgtable_t pmd_pgtable(pmd_t pmd) { diff --git a/arch/powerpc/kvm/book3s_64_mmu_radix.c b/arch/powerpc/kvm/book= 3s_64_mmu_radix.c index 4a1abb9f7c05..408d98f8a514 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_radix.c +++ b/arch/powerpc/kvm/book3s_64_mmu_radix.c @@ -503,7 +503,7 @@ static void kvmppc_unmap_free_pmd(struct kvm *kvm, pmd_= t *pmd, bool full, for (im =3D 0; im < PTRS_PER_PMD; ++im, ++p) { if (!pmd_present(*p)) continue; - if (pmd_is_leaf(*p)) { + if (pmd_leaf(*p)) { if (full) { pmd_clear(p); } else { @@ -532,7 +532,7 @@ static void kvmppc_unmap_free_pud(struct kvm *kvm, pud_= t *pud, for (iu =3D 0; iu < PTRS_PER_PUD; ++iu, ++p) { if (!pud_present(*p)) continue; - if (pud_is_leaf(*p)) { + if (pud_leaf(*p)) { pud_clear(p); } else { pmd_t *pmd; @@ -635,12 +635,12 @@ int kvmppc_create_pte(struct kvm *kvm, pgd_t *pgtable= , pte_t pte, new_pud =3D pud_alloc_one(kvm->mm, gpa); =20 pmd =3D NULL; - if (pud && pud_present(*pud) && !pud_is_leaf(*pud)) + if (pud && pud_present(*pud) && !pud_leaf(*pud)) pmd =3D pmd_offset(pud, gpa); else if (level <=3D 1) new_pmd =3D kvmppc_pmd_alloc(); =20 - if (level =3D=3D 0 && !(pmd && pmd_present(*pmd) && !pmd_is_leaf(*pmd))) + if (level =3D=3D 0 && !(pmd && pmd_present(*pmd) && !pmd_leaf(*pmd))) new_ptep =3D kvmppc_pte_alloc(); =20 /* Check if we might have been invalidated; let the guest retry if so */ @@ -658,7 +658,7 @@ int kvmppc_create_pte(struct kvm *kvm, pgd_t *pgtable, = pte_t pte, new_pud =3D NULL; } pud =3D pud_offset(p4d, gpa); - if (pud_is_leaf(*pud)) { + if (pud_leaf(*pud)) { unsigned long hgpa =3D gpa & PUD_MASK; =20 /* Check if we raced and someone else has set the same thing */ @@ -709,7 +709,7 @@ int kvmppc_create_pte(struct kvm *kvm, pgd_t *pgtable, = pte_t pte, new_pmd =3D NULL; } pmd =3D pmd_offset(pud, gpa); - if (pmd_is_leaf(*pmd)) { + if (pmd_leaf(*pmd)) { unsigned long lgpa =3D gpa & PMD_MASK; =20 /* Check if we raced and someone else has set the same thing */ diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/boo= k3s64/radix_pgtable.c index c6a4ac766b2b..1f8db10693e3 100644 --- a/arch/powerpc/mm/book3s64/radix_pgtable.c +++ b/arch/powerpc/mm/book3s64/radix_pgtable.c @@ -204,14 +204,14 @@ static void radix__change_memory_range(unsigned long = start, unsigned long end, pudp =3D pud_alloc(&init_mm, p4dp, idx); if (!pudp) continue; - if (pud_is_leaf(*pudp)) { + if (pud_leaf(*pudp)) { ptep =3D (pte_t *)pudp; goto update_the_pte; } pmdp =3D pmd_alloc(&init_mm, pudp, idx); if (!pmdp) continue; - if (pmd_is_leaf(*pmdp)) { + if (pmd_leaf(*pmdp)) { ptep =3D pmdp_ptep(pmdp); goto update_the_pte; } @@ -767,7 +767,7 @@ static void __meminit remove_pmd_table(pmd_t *pmd_start= , unsigned long addr, if (!pmd_present(*pmd)) continue; =20 - if (pmd_is_leaf(*pmd)) { + if (pmd_leaf(*pmd)) { if (IS_ALIGNED(addr, PMD_SIZE) && IS_ALIGNED(next, PMD_SIZE)) { if (!direct) @@ -807,7 +807,7 @@ static void __meminit remove_pud_table(pud_t *pud_start= , unsigned long addr, if (!pud_present(*pud)) continue; =20 - if (pud_is_leaf(*pud)) { + if (pud_leaf(*pud)) { if (!IS_ALIGNED(addr, PUD_SIZE) || !IS_ALIGNED(next, PUD_SIZE)) { WARN_ONCE(1, "%s: unaligned range\n", __func__); @@ -845,7 +845,7 @@ remove_pagetable(unsigned long start, unsigned long end= , bool direct, if (!p4d_present(*p4d)) continue; =20 - if (p4d_is_leaf(*p4d)) { + if (p4d_leaf(*p4d)) { if (!IS_ALIGNED(addr, P4D_SIZE) || !IS_ALIGNED(next, P4D_SIZE)) { WARN_ONCE(1, "%s: unaligned range\n", __func__); @@ -1554,7 +1554,7 @@ int pud_set_huge(pud_t *pud, phys_addr_t addr, pgprot= _t prot) =20 int pud_clear_huge(pud_t *pud) { - if (pud_is_leaf(*pud)) { + if (pud_leaf(*pud)) { pud_clear(pud); return 1; } @@ -1601,7 +1601,7 @@ int pmd_set_huge(pmd_t *pmd, phys_addr_t addr, pgprot= _t prot) =20 int pmd_clear_huge(pmd_t *pmd) { - if (pmd_is_leaf(*pmd)) { + if (pmd_leaf(*pmd)) { pmd_clear(pmd); return 1; } diff --git a/arch/powerpc/mm/pgtable.c b/arch/powerpc/mm/pgtable.c index 549a440ed7f6..9e7ba9c3851f 100644 --- a/arch/powerpc/mm/pgtable.c +++ b/arch/powerpc/mm/pgtable.c @@ -410,7 +410,7 @@ pte_t *__find_linux_pte(pgd_t *pgdir, unsigned long ea, if (p4d_none(p4d)) return NULL; =20 - if (p4d_is_leaf(p4d)) { + if (p4d_leaf(p4d)) { ret_pte =3D (pte_t *)p4dp; goto out; } @@ -432,7 +432,7 @@ pte_t *__find_linux_pte(pgd_t *pgdir, unsigned long ea, if (pud_none(pud)) return NULL; =20 - if (pud_is_leaf(pud)) { + if (pud_leaf(pud)) { ret_pte =3D (pte_t *)pudp; goto out; } @@ -471,7 +471,7 @@ pte_t *__find_linux_pte(pgd_t *pgdir, unsigned long ea, goto out; } =20 - if (pmd_is_leaf(pmd)) { + if (pmd_leaf(pmd)) { ret_pte =3D (pte_t *)pmdp; goto out; } diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c index 1b366526f4f2..386c6b06eab7 100644 --- a/arch/powerpc/mm/pgtable_64.c +++ b/arch/powerpc/mm/pgtable_64.c @@ -100,7 +100,7 @@ EXPORT_SYMBOL(__pte_frag_size_shift); /* 4 level page table */ struct page *p4d_page(p4d_t p4d) { - if (p4d_is_leaf(p4d)) { + if (p4d_leaf(p4d)) { if (!IS_ENABLED(CONFIG_HAVE_ARCH_HUGE_VMAP)) VM_WARN_ON(!p4d_huge(p4d)); return pte_page(p4d_pte(p4d)); @@ -111,7 +111,7 @@ struct page *p4d_page(p4d_t p4d) =20 struct page *pud_page(pud_t pud) { - if (pud_is_leaf(pud)) { + if (pud_leaf(pud)) { if (!IS_ENABLED(CONFIG_HAVE_ARCH_HUGE_VMAP)) VM_WARN_ON(!pud_huge(pud)); return pte_page(pud_pte(pud)); @@ -125,7 +125,7 @@ struct page *pud_page(pud_t pud) */ struct page *pmd_page(pmd_t pmd) { - if (pmd_is_leaf(pmd)) { + if (pmd_leaf(pmd)) { /* * vmalloc_to_page may be called on any vmap address (not only * vmalloc), and it uses pmd_page() etc., when huge vmap is diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index b3b94cd37713..9669c9925225 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -3342,7 +3342,7 @@ static void show_pte(unsigned long addr) return; } =20 - if (p4d_is_leaf(*p4dp)) { + if (p4d_leaf(*p4dp)) { format_pte(p4dp, p4d_val(*p4dp)); return; } @@ -3356,7 +3356,7 @@ static void show_pte(unsigned long addr) return; } =20 - if (pud_is_leaf(*pudp)) { + if (pud_leaf(*pudp)) { format_pte(pudp, pud_val(*pudp)); return; } @@ -3370,7 +3370,7 @@ static void show_pte(unsigned long addr) return; } =20 - if (pmd_is_leaf(*pmdp)) { + if (pmd_leaf(*pmdp)) { format_pte(pmdp, pmd_val(*pmdp)); return; } --=20 2.43.0