831c1926ee
- Lots of cleanups, mostly from Benjamin Berg and Tiwei Bie - Removal of unused code - Fix for sparse warnings - Cleanup around stub_exe() -----BEGIN PGP SIGNATURE----- iQJKBAABCAA0FiEEdgfidid8lnn52cLTZvlZhesYu8EFAmdKP94WHHJpY2hhcmRA c2lnbWEtc3Rhci5hdAAKCRBm+VmF6xi7wbKIEADERLX94WvICyOd4zCO4bZroF3/ PoNzn8xNS/XJgFZkGhEODvquaKxUkrWz/2EMF+/di+9JQvuKtrW4KjlZUv5XzSb7 iig59W+sSevjK4HliXk7U6PSaOKYLL630Ar+Fk56x44yhD///iaV/xcsmT+HABQY CJ68MW1E3f9XqSHr8zvhyVwfmZOn/RdHSvcn3dwxDBTG8r/6hiUdd9n4LXO60+79 B6PQp9VSMQjXZwA/cPqEuFP1FQJmBusEVs/d1wv4LPZVoKbOFYJDeAWs0iIkjX9z xsn8X7dLDza6+RAga4UBfvl6bcgrTgh+/VNzgxUmydbFoBaUGmkBSJhsSTMiioul bmLRPwEjQXAP3Sdrp/843SGWFJ69+RT4YVMt6zoYF5fDAX5KEc+RWNyAMqnVHtBH BqDV+dOGQ4dqocJs7iOmz3wl6dTDwnugm72ekMYOV/iYZ+ct3AU4cp93uLoTQDzF 81VBkQOIXf1a4KUtC4TERP4NcfMB3NneGvaGnReVvXSs5/XIK51AYSGMLZOCyKLx h377d6X5zkvUg4XtgHT53UjEwASYXjqxVb/pG5IX4QurGOIpsLG5Mx/vq05F5cYd SVpaBRdyWdG/tou6vHrxoIEi2H3Beyb7+ScD+ieRWCNxrtWcosUXZjUAOaaoS3Wm Zwe6lJlnoz+uORSUSg== =ZW+3 -----END PGP SIGNATURE----- Merge tag 'uml-for-linus-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux Pull UML updates from Richard Weinberger: - Lots of cleanups, mostly from Benjamin Berg and Tiwei Bie - Removal of unused code - Fix for sparse warnings - Cleanup around stub_exe() * tag 'uml-for-linus-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux: (68 commits) hostfs: Fix the NULL vs IS_ERR() bug for __filemap_get_folio() um: move thread info into task um: Always dump trace for specified task in show_stack um: vector: Do not use drvdata in release um: net: Do not use drvdata in release um: ubd: Do not use drvdata in release um: ubd: Initialize ubd's disk pointer in ubd_add um: virtio_uml: query the number of vqs if supported um: virtio_uml: fix call_fd IRQ allocation um: virtio_uml: send SET_MEM_TABLE message with the exact size um: remove broken double fault detection um: remove duplicate UM_NSEC_PER_SEC definition um: remove file sync for stub data um: always include kconfig.h and compiler-version.h um: set DONTDUMP and DONTFORK flags on KASAN shadow memory um: fix sparse warnings in signal code um: fix sparse warnings from regset refactor um: Remove double zero check um: fix stub exe build with CONFIG_GCOV um: Use os_set_pdeathsig helper in winch thread/process ...
103 lines
2.5 KiB
C
103 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com)
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* Copyright 2003 PathScale, Inc.
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*/
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#ifndef __UM_PAGE_H
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#define __UM_PAGE_H
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#include <linux/const.h>
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#include <vdso/page.h>
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#ifndef __ASSEMBLY__
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struct page;
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#include <linux/pfn.h>
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#include <linux/types.h>
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#include <asm/vm-flags.h>
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/*
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* These are used to make use of C type-checking..
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*/
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#define clear_page(page) memset((void *)(page), 0, PAGE_SIZE)
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#define copy_page(to,from) memcpy((void *)(to), (void *)(from), PAGE_SIZE)
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#define clear_user_page(page, vaddr, pg) clear_page(page)
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#define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
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typedef struct { unsigned long pte; } pte_t;
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typedef struct { unsigned long pgd; } pgd_t;
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#if CONFIG_PGTABLE_LEVELS > 2
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typedef struct { unsigned long pmd; } pmd_t;
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#define pmd_val(x) ((x).pmd)
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#define __pmd(x) ((pmd_t) { (x) } )
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#if CONFIG_PGTABLE_LEVELS > 3
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typedef struct { unsigned long pud; } pud_t;
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#define pud_val(x) ((x).pud)
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#define __pud(x) ((pud_t) { (x) } )
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#endif /* CONFIG_PGTABLE_LEVELS > 3 */
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#endif /* CONFIG_PGTABLE_LEVELS > 2 */
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#define pte_val(x) ((x).pte)
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#define pte_get_bits(p, bits) ((p).pte & (bits))
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#define pte_set_bits(p, bits) ((p).pte |= (bits))
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#define pte_clear_bits(p, bits) ((p).pte &= ~(bits))
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#define pte_copy(to, from) ((to).pte = (from).pte)
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#define pte_is_zero(p) (!((p).pte & ~_PAGE_NEEDSYNC))
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#define pte_set_val(p, phys, prot) (p).pte = (phys | pgprot_val(prot))
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typedef unsigned long phys_t;
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typedef struct { unsigned long pgprot; } pgprot_t;
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typedef struct page *pgtable_t;
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#define pgd_val(x) ((x).pgd)
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#define pgprot_val(x) ((x).pgprot)
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#define __pte(x) ((pte_t) { (x) } )
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#define __pgd(x) ((pgd_t) { (x) } )
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#define __pgprot(x) ((pgprot_t) { (x) } )
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extern unsigned long uml_physmem;
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#define PAGE_OFFSET (uml_physmem)
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#define KERNELBASE PAGE_OFFSET
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#define __va_space (8*1024*1024)
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#include <mem.h>
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/* Cast to unsigned long before casting to void * to avoid a warning from
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* mmap_kmem about cutting a long long down to a void *. Not sure that
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* casting is the right thing, but 32-bit UML can't have 64-bit virtual
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* addresses
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*/
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#define __pa(virt) uml_to_phys((void *) (unsigned long) (virt))
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#define __va(phys) uml_to_virt((unsigned long) (phys))
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#define phys_to_pfn(p) ((p) >> PAGE_SHIFT)
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#define pfn_to_phys(pfn) PFN_PHYS(pfn)
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#define virt_addr_valid(v) pfn_valid(phys_to_pfn(__pa(v)))
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#include <asm-generic/memory_model.h>
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#include <asm-generic/getorder.h>
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#endif /* __ASSEMBLY__ */
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#ifdef CONFIG_X86_32
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#define __HAVE_ARCH_GATE_AREA 1
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#endif
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#endif /* __UM_PAGE_H */
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