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[86.16.54.28]) by smtp.googlemail.com with ESMTPSA id ffacd0b85a97d-45edb558f52sm6693771f8f.14.2026.05.27.07.04.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 May 2026 07:04:21 -0700 (PDT) From: Vishal Moola To: Dave Hansen , linux-mm@kvack.org, linux-kernel@vger.kernel.org, x86@kernel.org Cc: Mike Rapoport , Lu Baolu , xen-devel@lists.xenproject.org, Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Andy Lutomirski , Peter Zijlstra , Juergen Gross , Boris Ostrovsky , Vishal Moola Subject: [PATCH 9/9] x86/xen: Convert xen_mm_unpin_all() to ptdescs Date: Wed, 27 May 2026 15:03:16 +0100 Message-ID: <20260527140316.294621-10-vishal.moola@gmail.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260527140316.294621-1-vishal.moola@gmail.com> References: <20260527140316.294621-1-vishal.moola@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Convert xen_mm_unpin_all() to ptdescs in preparation for the eventual splitting of ptdescs from struct page. Continue checking PagePinned through the underlying page as we do not have a per-memdesc api yet. Signed-off-by: Vishal Moola --- arch/x86/xen/mmu_pv.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/x86/xen/mmu_pv.c b/arch/x86/xen/mmu_pv.c index b2f6e7b7c545..c4731c1e842d 100644 --- a/arch/x86/xen/mmu_pv.c +++ b/arch/x86/xen/mmu_pv.c @@ -939,16 +939,16 @@ static void xen_pgd_unpin(struct mm_struct *mm) */ void xen_mm_unpin_all(void) { - struct page *page; + struct ptdesc *ptdesc; spin_lock(&init_mm.page_table_lock); spin_lock(&pgd_lock); - list_for_each_entry(page, &pgd_list, lru) { - if (PageSavePinned(page)) { - BUG_ON(!PagePinned(page)); - __xen_pgd_unpin(&init_mm, (pgd_t *)page_address(page)); - ClearPageSavePinned(page); + list_for_each_entry(ptdesc, &pgd_list, pt_list) { + if (PageSavePinned(ptdesc_page(ptdesc))) { + BUG_ON(!PagePinned(ptdesc_page(ptdesc))); + __xen_pgd_unpin(&init_mm, (pgd_t *)ptdesc_address(ptdesc)); + ClearPageSavePinned(ptdesc_page(ptdesc)); } } -- 2.54.0