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Wed, 5 Aug 2026 08:21:57 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id sW4hJqXycmobcQAAD6G6ig (envelope-from ); Wed, 05 Aug 2026 08:21:57 +0000 From: Juergen Gross To: linux-kernel@vger.kernel.org Cc: Juergen Gross , Stefano Stabellini , Oleksandr Tyshchenko , xen-devel@lists.xenproject.org Subject: [PATCH 3/4] xen: Drop CONFIG_XEN_AUTO_XLATE Date: Wed, 5 Aug 2026 10:21:36 +0200 Message-ID: <20260805082137.1214967-4-jgross@suse.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260805082137.1214967-1-jgross@suse.com> References: <20260805082137.1214967-1-jgross@suse.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 X-Spamd-Result: default: False [-6.79 / 50.00]; REPLY(-4.00)[]; BAYES_HAM(-3.00)[100.00%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.19)[-0.966]; MIME_GOOD(-0.10)[text/plain]; RCVD_COUNT_TWO(0.00)[2]; FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,suse.com:mid,suse.com:email]; FROM_EQ_ENVFROM(0.00)[]; DKIM_SIGNED(0.00)[suse.com:s=susede1]; RCPT_COUNT_FIVE(0.00)[5]; RCVD_TLS_ALL(0.00)[] X-Spam-Flag: NO X-Spam-Score: -6.79 X-Spam-Level: CONFIG_XEN_AUTO_XLATE is referenced only in code built with CONFIG_XEN enabled. As it is enabled for all architectures supporting Xen, it can be just dropped. Signed-off-by: Juergen Gross --- drivers/xen/Kconfig | 6 ------ drivers/xen/Makefile | 2 +- drivers/xen/privcmd.c | 4 ++-- include/xen/xen-ops.h | 22 ---------------------- 4 files changed, 3 insertions(+), 31 deletions(-) diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig index cfb517cd77dc..32e35a8580ee 100644 --- a/drivers/xen/Kconfig +++ b/drivers/xen/Kconfig @@ -309,12 +309,6 @@ config XEN_EFI def_bool y depends on (ARM || ARM64 || X86_64) && EFI -config XEN_AUTO_XLATE - def_bool y - depends on ARM || ARM64 || X86 - help - Support for auto-translated physmap guests. - config XEN_ACPI def_bool y depends on X86 && ACPI diff --git a/drivers/xen/Makefile b/drivers/xen/Makefile index c0503f1c7d5b..6ce2e2a52d47 100644 --- a/drivers/xen/Makefile +++ b/drivers/xen/Makefile @@ -2,6 +2,7 @@ obj-$(CONFIG_HOTPLUG_CPU) += cpu_hotplug.o obj-y += grant-table.o features.o balloon.o manage.o time.o obj-y += mem-reservation.o +obj-y += xlate_mmu.o obj-y += events/ obj-y += xenbus/ @@ -29,7 +30,6 @@ obj-$(CONFIG_XEN_PRIVCMD) += xen-privcmd.o obj-$(CONFIG_XEN_ACPI_PROCESSOR) += xen-acpi-processor.o obj-$(CONFIG_XEN_EFI) += efi.o obj-$(CONFIG_XEN_SCSI_BACKEND) += xen-scsiback.o -obj-$(CONFIG_XEN_AUTO_XLATE) += xlate_mmu.o obj-$(CONFIG_XEN_PVCALLS_BACKEND) += pvcalls-back.o obj-$(CONFIG_XEN_PVCALLS_FRONTEND) += pvcalls-front.o xen-evtchn-y := evtchn.o diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c index 725a49a0eee7..7cfc28f1bb86 100644 --- a/drivers/xen/privcmd.c +++ b/drivers/xen/privcmd.c @@ -794,7 +794,7 @@ static long privcmd_ioctl_mmap_resource(struct file *file, goto out; } - if (IS_ENABLED(CONFIG_XEN_AUTO_XLATE) && !xen_pv_domain()) { + if (!xen_pv_domain()) { unsigned int nr = DIV_ROUND_UP(kdata.num, XEN_PFN_PER_PAGE); struct page **pages; unsigned int i; @@ -825,7 +825,7 @@ static long privcmd_ioctl_mmap_resource(struct file *file, if (rc) goto out; - if (IS_ENABLED(CONFIG_XEN_AUTO_XLATE) && !xen_pv_domain()) { + if (!xen_pv_domain()) { rc = xen_remap_vma_range(vma, kdata.addr, kdata.num << PAGE_SHIFT); } else { unsigned int domid = diff --git a/include/xen/xen-ops.h b/include/xen/xen-ops.h index 496e6013c689..15e0c3f4b7bb 100644 --- a/include/xen/xen-ops.h +++ b/include/xen/xen-ops.h @@ -59,7 +59,6 @@ static inline int xen_remap_pfn(struct vm_area_struct *vma, unsigned long addr, struct vm_area_struct; -#ifdef CONFIG_XEN_AUTO_XLATE int xen_xlate_remap_gfn_array(struct vm_area_struct *vma, unsigned long addr, xen_pfn_t *gfn, int nr, @@ -68,27 +67,6 @@ int xen_xlate_remap_gfn_array(struct vm_area_struct *vma, struct page **pages); int xen_xlate_unmap_gfn_range(struct vm_area_struct *vma, int nr, struct page **pages); -#else -/* - * These two functions are called from arch/x86/xen/mmu.c and so stubs - * are needed for a configuration not specifying CONFIG_XEN_AUTO_XLATE. - */ -static inline int xen_xlate_remap_gfn_array(struct vm_area_struct *vma, - unsigned long addr, - xen_pfn_t *gfn, int nr, - int *err_ptr, pgprot_t prot, - unsigned int domid, - struct page **pages) -{ - return -EOPNOTSUPP; -} - -static inline int xen_xlate_unmap_gfn_range(struct vm_area_struct *vma, - int nr, struct page **pages) -{ - return -EOPNOTSUPP; -} -#endif int xen_remap_vma_range(struct vm_area_struct *vma, unsigned long addr, unsigned long len); -- 2.55.0