Date: Thu, 16 Feb 2023 11:56:14 GMT From: =?utf-8?Q?Jean-S=C3=A9bastien=20P=C3=A9dron?= <dumbbell@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: a6ffaf995b44 - stable/13 - linuxkpi: Add `kmap_local_page_prot()` and `kunmap_local()` Message-ID: <202302161156.31GBuEgS055828@gitrepo.freebsd.org>
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The branch stable/13 has been updated by dumbbell (ports committer): URL: https://cgit.FreeBSD.org/src/commit/?id=a6ffaf995b44553b65c8493af38d627d21bfb47d commit a6ffaf995b44553b65c8493af38d627d21bfb47d Author: Jean-Sébastien Pédron <dumbbell@FreeBSD.org> AuthorDate: 2023-01-20 17:52:39 +0000 Commit: Jean-Sébastien Pédron <dumbbell@FreeBSD.org> CommitDate: 2023-02-16 11:55:17 +0000 linuxkpi: Add `kmap_local_page_prot()` and `kunmap_local()` They are synonymous to `kmap_atomic_prot()` and `kunmap_atomic()` respectively. While here, fix several style(9) issues. Reviewed by: manu Approved by: manu Differential Revision: https://reviews.freebsd.org/D38155 (cherry picked from commit 9dafbd0c69a6aade69b23a649548b6c7133f1091) --- sys/compat/linuxkpi/common/include/linux/highmem.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/linux/highmem.h b/sys/compat/linuxkpi/common/include/linux/highmem.h index 53efbec06385..0056b590f239 100644 --- a/sys/compat/linuxkpi/common/include/linux/highmem.h +++ b/sys/compat/linuxkpi/common/include/linux/highmem.h @@ -50,6 +50,7 @@ static inline vm_page_t kmap_to_page(void *addr) { + return (virt_to_page(addr)); } @@ -88,9 +89,17 @@ kmap_atomic_prot(vm_page_t page, pgprot_t prot) static inline void * kmap_atomic(vm_page_t page) { + return (kmap_atomic_prot(page, VM_PROT_ALL)); } +static inline void * +kmap_local_page_prot(vm_page_t page, pgprot_t prot) +{ + + return (kmap_atomic_prot(page, prot)); +} + static inline void kunmap(vm_page_t page) { @@ -111,8 +120,16 @@ kunmap(vm_page_t page) static inline void kunmap_atomic(void *vaddr) { + if (!PMAP_HAS_DMAP) kunmap(virt_to_page(vaddr)); } +static inline void +kunmap_local(void *addr) +{ + + kunmap_atomic(addr); +} + #endif /* _LINUXKPI_LINUX_HIGHMEM_H_ */
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