/* * Copyright (C) 2010 Red Hat Inc, Steven Rostedt * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License (not later!) * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program; if not, see * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ #include #include #include #include #include #define __weak __attribute__((weak)) void __vwarning(const char *fmt, va_list ap) { if (errno) perror("trace-cmd"); errno = 0; fprintf(stderr, " "); vfprintf(stderr, fmt, ap); fprintf(stderr, "\n"); } void __warning(const char *fmt, ...) { va_list ap; va_start(ap, fmt); __vwarning(fmt, ap); va_end(ap); } void __weak warning(const char *fmt, ...) { va_list ap; va_start(ap, fmt); __vwarning(fmt, ap); va_end(ap); } void __vpr_stat(const char *fmt, va_list ap) { vprintf(fmt, ap); printf("\n"); } void __pr_stat(const char *fmt, ...) { va_list ap; va_start(ap, fmt); __vpr_stat(fmt, ap); va_end(ap); } void __weak vpr_stat(const char *fmt, va_list ap) { __vpr_stat(fmt, ap); } void __weak pr_stat(const char *fmt, ...) { va_list ap; va_start(ap, fmt); __vpr_stat(fmt, ap); va_end(ap); } i/mtd/Kbuild?id=3277953de2f31dd03c6375e9a9f680ac37fc9d27'>treecommitdiff
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authorzhong jiang <zhongjiang@huawei.com>2017-01-24 15:18:52 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-01-24 16:26:14 -0800
commit3277953de2f31dd03c6375e9a9f680ac37fc9d27 (patch)
tree6ba22924faa1b82ef2f0277db10a3f5abdc44157 /include/uapi/mtd/Kbuild
parent3705ccfdd1e8b539225ce20e3925a945cc788d67 (diff)
mm: do not export ioremap_page_range symbol for external module
Recently, I've found cases in which ioremap_page_range was used incorrectly, in external modules, leading to crashes. This can be partly attributed to the fact that ioremap_page_range is lower-level, with fewer protections, as compared to the other functions that an external module would typically call. Those include: ioremap_cache ioremap_nocache ioremap_prot ioremap_uc ioremap_wc ioremap_wt ...each of which wraps __ioremap_caller, which in turn provides a safer way to achieve the mapping. Therefore, stop EXPORT-ing ioremap_page_range. Link: http://lkml.kernel.org/r/1485173220-29010-1-git-send-email-zhongjiang@huawei.com Signed-off-by: zhong jiang <zhongjiang@huawei.com> Reviewed-by: John Hubbard <jhubbard@nvidia.com> Suggested-by: John Hubbard <jhubbard@nvidia.com> Acked-by: Michal Hocko <mhocko@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/uapi/mtd/Kbuild')