From: Christoph Hellwig <hch@lst.de> To: x86@kernel.org, Alexei Starovoitov <ast@kernel.org>, Daniel Borkmann <daniel@iogearbox.net>, Masami Hiramatsu <mhiramat@kernel.org>, Linus Torvalds <torvalds@linux-foundation.org>, Andrew Morton <akpm@linux-foundation.org> Cc: linux-parisc@vger.kernel.org, linux-um@lists.infradead.org, netdev@vger.kernel.org, bpf@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH 08/18] maccess: rename strnlen_unsafe_user to strnlen_user_nofault Date: Wed, 13 May 2020 18:00:28 +0200 [thread overview] Message-ID: <20200513160038.2482415-9-hch@lst.de> (raw) In-Reply-To: <20200513160038.2482415-1-hch@lst.de> This matches the naming of strnlen_user, and also makes it more clear what the function is supposed to do. Signed-off-by: Christoph Hellwig <hch@lst.de> --- include/linux/uaccess.h | 2 +- kernel/trace/trace_kprobe.c | 2 +- mm/maccess.c | 4 ++-- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h index 134ff9c1c151b..d8366f8468664 100644 --- a/include/linux/uaccess.h +++ b/include/linux/uaccess.h @@ -315,7 +315,7 @@ long strncpy_from_kernel_nofault(char *dst, const void *unsafe_addr, extern long __strncpy_from_unsafe(char *dst, const void *unsafe_addr, long count); long strncpy_from_user_nofault(char *dst, const void __user *unsafe_addr, long count); -extern long strnlen_unsafe_user(const void __user *unsafe_addr, long count); +long strnlen_user_nofault(const void __user *unsafe_addr, long count); /** * probe_kernel_address(): safely attempt to read from a location diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index d600f41fda1ca..4325f9e7fadaa 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -1221,7 +1221,7 @@ fetch_store_strlen_user(unsigned long addr) { const void __user *uaddr = (__force const void __user *)addr; - return strnlen_unsafe_user(uaddr, MAX_STRING_SIZE); + return strnlen_user_nofault(uaddr, MAX_STRING_SIZE); } /* diff --git a/mm/maccess.c b/mm/maccess.c index c8748c2809096..e783ebfccd542 100644 --- a/mm/maccess.c +++ b/mm/maccess.c @@ -258,7 +258,7 @@ long strncpy_from_user_nofault(char *dst, const void __user *unsafe_addr, } /** - * strnlen_unsafe_user: - Get the size of a user string INCLUDING final NUL. + * strnlen_user_nofault: - Get the size of a user string INCLUDING final NUL. * @unsafe_addr: The string to measure. * @count: Maximum count (including NUL) * @@ -273,7 +273,7 @@ long strncpy_from_user_nofault(char *dst, const void __user *unsafe_addr, * Unlike strnlen_user, this can be used from IRQ handler etc. because * it disables pagefaults. */ -long strnlen_unsafe_user(const void __user *unsafe_addr, long count) +long strnlen_user_nofault(const void __user *unsafe_addr, long count) { mm_segment_t old_fs = get_fs(); int ret; -- 2.26.2
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de> To: x86@kernel.org, Alexei Starovoitov <ast@kernel.org>, Daniel Borkmann <daniel@iogearbox.net>, Masami Hiramatsu <mhiramat@kernel.org>, Linus Torvalds <torvalds@linux-foundation.org>, Andrew Morton <akpm@linux-foundation.org> Cc: linux-parisc@vger.kernel.org, netdev@vger.kernel.org, linux-um@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, bpf@vger.kernel.org Subject: [PATCH 08/18] maccess: rename strnlen_unsafe_user to strnlen_user_nofault Date: Wed, 13 May 2020 18:00:28 +0200 [thread overview] Message-ID: <20200513160038.2482415-9-hch@lst.de> (raw) In-Reply-To: <20200513160038.2482415-1-hch@lst.de> This matches the naming of strnlen_user, and also makes it more clear what the function is supposed to do. Signed-off-by: Christoph Hellwig <hch@lst.de> --- include/linux/uaccess.h | 2 +- kernel/trace/trace_kprobe.c | 2 +- mm/maccess.c | 4 ++-- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h index 134ff9c1c151b..d8366f8468664 100644 --- a/include/linux/uaccess.h +++ b/include/linux/uaccess.h @@ -315,7 +315,7 @@ long strncpy_from_kernel_nofault(char *dst, const void *unsafe_addr, extern long __strncpy_from_unsafe(char *dst, const void *unsafe_addr, long count); long strncpy_from_user_nofault(char *dst, const void __user *unsafe_addr, long count); -extern long strnlen_unsafe_user(const void __user *unsafe_addr, long count); +long strnlen_user_nofault(const void __user *unsafe_addr, long count); /** * probe_kernel_address(): safely attempt to read from a location diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index d600f41fda1ca..4325f9e7fadaa 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -1221,7 +1221,7 @@ fetch_store_strlen_user(unsigned long addr) { const void __user *uaddr = (__force const void __user *)addr; - return strnlen_unsafe_user(uaddr, MAX_STRING_SIZE); + return strnlen_user_nofault(uaddr, MAX_STRING_SIZE); } /* diff --git a/mm/maccess.c b/mm/maccess.c index c8748c2809096..e783ebfccd542 100644 --- a/mm/maccess.c +++ b/mm/maccess.c @@ -258,7 +258,7 @@ long strncpy_from_user_nofault(char *dst, const void __user *unsafe_addr, } /** - * strnlen_unsafe_user: - Get the size of a user string INCLUDING final NUL. + * strnlen_user_nofault: - Get the size of a user string INCLUDING final NUL. * @unsafe_addr: The string to measure. * @count: Maximum count (including NUL) * @@ -273,7 +273,7 @@ long strncpy_from_user_nofault(char *dst, const void __user *unsafe_addr, * Unlike strnlen_user, this can be used from IRQ handler etc. because * it disables pagefaults. */ -long strnlen_unsafe_user(const void __user *unsafe_addr, long count) +long strnlen_user_nofault(const void __user *unsafe_addr, long count) { mm_segment_t old_fs = get_fs(); int ret; -- 2.26.2 _______________________________________________ linux-um mailing list linux-um@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-um
next prev parent reply other threads:[~2020-05-13 16:02 UTC|newest] Thread overview: 100+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-05-13 16:00 clean up and streamline probe_kernel_* and friends v2 Christoph Hellwig 2020-05-13 16:00 ` Christoph Hellwig 2020-05-13 16:00 ` [PATCH 01/18] maccess: unexport probe_kernel_write and probe_user_write Christoph Hellwig 2020-05-13 16:00 ` Christoph Hellwig 2020-05-13 16:00 ` [PATCH 02/18] maccess: remove various unused weak aliases Christoph Hellwig 2020-05-13 16:00 ` Christoph Hellwig 2020-05-13 16:00 ` [PATCH 03/18] maccess: remove duplicate kerneldoc comments Christoph Hellwig 2020-05-13 16:00 ` Christoph Hellwig 2020-05-13 16:00 ` [PATCH 04/18] maccess: clarify " Christoph Hellwig 2020-05-13 16:00 ` Christoph Hellwig 2020-05-13 16:00 ` [PATCH 05/18] maccess: update the top of file comment Christoph Hellwig 2020-05-13 16:00 ` Christoph Hellwig 2020-05-13 16:00 ` [PATCH 06/18] maccess: rename strncpy_from_unsafe_user to strncpy_from_user_nofault Christoph Hellwig 2020-05-13 16:00 ` Christoph Hellwig 2020-05-13 16:00 ` [PATCH 07/18] maccess: rename strncpy_from_unsafe_strict to strncpy_from_kernel_nofault Christoph Hellwig 2020-05-13 16:00 ` Christoph Hellwig 2020-05-13 16:00 ` Christoph Hellwig [this message] 2020-05-13 16:00 ` [PATCH 08/18] maccess: rename strnlen_unsafe_user to strnlen_user_nofault Christoph Hellwig 2020-05-13 16:00 ` [PATCH 09/18] maccess: remove probe_read_common and probe_write_common Christoph Hellwig 2020-05-13 16:00 ` Christoph Hellwig 2020-05-13 16:00 ` [PATCH 10/18] maccess: unify the probe kernel arch hooks Christoph Hellwig 2020-05-13 16:00 ` Christoph Hellwig 2020-05-14 1:13 ` Masami Hiramatsu 2020-05-14 1:13 ` Masami Hiramatsu 2020-05-19 5:46 ` Christoph Hellwig 2020-05-19 5:46 ` Christoph Hellwig 2020-05-13 16:00 ` [PATCH 11/18] maccess: remove strncpy_from_unsafe Christoph Hellwig 2020-05-13 16:00 ` Christoph Hellwig 2020-05-13 19:11 ` Linus Torvalds 2020-05-13 19:11 ` Linus Torvalds 2020-05-13 19:11 ` Linus Torvalds 2020-05-13 19:28 ` Christoph Hellwig 2020-05-13 19:28 ` Christoph Hellwig 2020-05-13 22:36 ` Daniel Borkmann 2020-05-13 22:36 ` Daniel Borkmann 2020-05-13 23:03 ` Linus Torvalds 2020-05-13 23:03 ` Linus Torvalds 2020-05-13 23:03 ` Linus Torvalds 2020-05-13 23:24 ` Daniel Borkmann 2020-05-13 23:24 ` Daniel Borkmann 2020-05-13 23:20 ` Masami Hiramatsu 2020-05-13 23:20 ` Masami Hiramatsu 2020-05-13 23:59 ` Linus Torvalds 2020-05-13 23:59 ` Linus Torvalds 2020-05-13 23:59 ` Linus Torvalds 2020-05-14 1:00 ` Masami Hiramatsu 2020-05-14 1:00 ` Masami Hiramatsu 2020-05-14 2:43 ` Linus Torvalds 2020-05-14 2:43 ` Linus Torvalds 2020-05-14 2:43 ` Linus Torvalds 2020-05-14 9:44 ` Masami Hiramatsu 2020-05-14 9:44 ` Masami Hiramatsu 2020-05-14 10:27 ` Daniel Borkmann 2020-05-14 10:27 ` Daniel Borkmann 2020-05-13 23:28 ` Al Viro 2020-05-13 23:28 ` Al Viro 2020-05-13 23:58 ` Daniel Borkmann 2020-05-13 23:58 ` Daniel Borkmann 2020-05-14 10:01 ` David Laight 2020-05-14 10:01 ` David Laight 2020-05-14 10:21 ` Daniel Borkmann 2020-05-14 10:21 ` Daniel Borkmann 2020-05-13 16:00 ` [PATCH 12/18] maccess: always use strict semantics for probe_kernel_read Christoph Hellwig 2020-05-13 16:00 ` Christoph Hellwig 2020-05-13 16:00 ` [PATCH 13/18] maccess: move user access routines together Christoph Hellwig 2020-05-13 16:00 ` Christoph Hellwig 2020-05-13 16:00 ` [PATCH 14/18] maccess: allow architectures to provide kernel probing directly Christoph Hellwig 2020-05-13 16:00 ` Christoph Hellwig 2020-05-13 19:36 ` Linus Torvalds 2020-05-13 19:36 ` Linus Torvalds 2020-05-13 19:36 ` Linus Torvalds 2020-05-13 19:40 ` Christoph Hellwig 2020-05-13 19:40 ` Christoph Hellwig 2020-05-13 19:48 ` Linus Torvalds 2020-05-13 19:48 ` Linus Torvalds 2020-05-13 19:48 ` Linus Torvalds 2020-05-13 19:54 ` Christoph Hellwig 2020-05-13 19:54 ` Christoph Hellwig 2020-05-16 3:42 ` Masami Hiramatsu 2020-05-16 3:42 ` Masami Hiramatsu 2020-05-18 15:09 ` Christoph Hellwig 2020-05-18 15:09 ` Christoph Hellwig 2020-05-13 16:00 ` [PATCH 15/18] x86: use non-set_fs based maccess routines Christoph Hellwig 2020-05-13 16:00 ` Christoph Hellwig 2020-05-13 16:00 ` [PATCH 16/18] maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault Christoph Hellwig 2020-05-13 16:00 ` [PATCH 16/18] maccess: rename probe_kernel_{read, write} to copy_{from, to}_kernel_nofault Christoph Hellwig 2020-05-13 16:00 ` [PATCH 17/18] maccess: rename probe_user_{read,write} to copy_{from,to}_user_nofault Christoph Hellwig 2020-05-13 16:00 ` [PATCH 17/18] maccess: rename probe_user_{read, write} to copy_{from, to}_user_nofault Christoph Hellwig 2020-05-13 16:00 ` [PATCH 18/18] maccess: rename probe_kernel_address to get_kernel_nofault Christoph Hellwig 2020-05-13 16:00 ` Christoph Hellwig 2020-05-13 19:37 ` clean up and streamline probe_kernel_* and friends v2 Linus Torvalds 2020-05-13 19:37 ` Linus Torvalds 2020-05-13 19:37 ` Linus Torvalds 2020-05-13 23:04 ` Daniel Borkmann 2020-05-13 23:04 ` Daniel Borkmann 2020-05-13 23:20 ` Linus Torvalds 2020-05-13 23:20 ` Linus Torvalds 2020-05-13 23:20 ` Linus Torvalds 2020-05-19 5:50 ` Christoph Hellwig 2020-05-19 5:50 ` Christoph Hellwig
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