/****************************************************************************** * * Copyright © International Business Machines Corp., 2009 * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * DESCRIPTION * Glibc independent futex library for testing kernel functionality. * * AUTHOR * Darren Hart * * HISTORY * 2009-Nov-6: Initial version by Darren Hart * *****************************************************************************/ #ifndef _LOGGING_H #define _LOGGING_H #include #include #include #include "kselftest.h" /* * Define PASS, ERROR, and FAIL strings with and without color escape * sequences, default to no color. */ #define ESC 0x1B, '[' #define BRIGHT '1' #define GREEN '3', '2' #define YELLOW '3', '3' #define RED '3', '1' #define ESCEND 'm' #define BRIGHT_GREEN ESC, BRIGHT, ';', GREEN, ESCEND #define BRIGHT_YELLOW ESC, BRIGHT, ';', YELLOW, ESCEND #define BRIGHT_RED ESC, BRIGHT, ';', RED, ESCEND #define RESET_COLOR ESC, '0', 'm' static const char PASS_COLOR[] = {BRIGHT_GREEN, ' ', 'P', 'A', 'S', 'S', RESET_COLOR, 0}; static const char ERROR_COLOR[] = {BRIGHT_YELLOW, 'E', 'R', 'R', 'O', 'R', RESET_COLOR, 0}; static const char FAIL_COLOR[] = {BRIGHT_RED, ' ', 'F', 'A', 'I', 'L', RESET_COLOR, 0}; static const char INFO_NORMAL[] = " INFO"; static const char PASS_NORMAL[] = " PASS"; static const char ERROR_NORMAL[] = "ERROR"; static const char FAIL_NORMAL[] = " FAIL"; const char *INFO = INFO_NORMAL; const char *PASS = PASS_NORMAL; const char *ERROR = ERROR_NORMAL; const char *FAIL = FAIL_NORMAL; /* Verbosity setting for INFO messages */ #define VQUIET 0 #define VCRITICAL 1 #define VINFO 2 #define VMAX VINFO int _verbose = VCRITICAL; /* Functional test return codes */ #define RET_PASS 0 #define RET_ERROR -1 #define RET_FAIL -2 /** * log_color() - Use colored output for PASS, ERROR, and FAIL strings * @use_color: use color (1) or not (0) */ void log_color(int use_color) { if (use_color) { PASS = PASS_COLOR; ERROR = ERROR_COLOR; FAIL = FAIL_COLOR; } else { PASS = PASS_NORMAL; ERROR = ERROR_NORMAL; FAIL = FAIL_NORMAL; } } /** * log_verbosity() - Set verbosity of test output * @verbose: Enable (1) verbose output or not (0) * * Currently setting verbose=1 will enable INFO messages and 0 will disable * them. FAIL and ERROR messages are always displayed. */ void log_verbosity(int level) { if (level > VMAX) level = VMAX; else if (level < 0) level = 0; _verbose = level; } /** * print_result() - Print standard PASS | ERROR | FAIL results * @ret: the return value to be considered: 0 | RET_ERROR | RET_FAIL * * print_result() is primarily intended for functional tests. */ void print_result(int ret) { const char *result = "Unknown return code"; switch (ret) { case RET_PASS: ksft_inc_pass_cnt(); result = PASS; break; case RET_ERROR: result = ERROR; break; case RET_FAIL: ksft_inc_fail_cnt(); result = FAIL; break; } printf("Result: %s\n", result); } /* log level macros */ #define info(message, vargs...) \ do { \ if (_verbose >= VINFO) \ fprintf(stderr, "\t%s: "message, INFO, ##vargs); \ } while (0) #define error(message, err, args...) \ do { \ if (_verbose >= VCRITICAL) {\ if (err) \ fprintf(stderr, "\t%s: %s: "message, \ ERROR, strerror(err), ##args); \ else \ fprintf(stderr, "\t%s: "message, ERROR, ##args); \ } \ } while (0) #define fail(message, args...) \ do { \ if (_verbose >= VCRITICAL) \ fprintf(stderr, "\t%s: "message, FAIL, ##args); \ } while (0) #endif span='2'/>context:space:mode:
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/trace/events/thp.h
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/trace/events/thp.h')