diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2019-01-08 10:50:22 +0200 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2019-01-08 10:50:22 +0200 |
| commit | 3eb0930a425b086bdab38156aa4708427479a201 (patch) | |
| tree | ea0bceef5bd1f62e4993f8f2f22a81f9da5f1f09 /include/linux/export.h | |
| parent | 481975ca235e41560178c8492623d8e06013341a (diff) | |
| parent | bfeffd155283772bbe78c6a05dec7c0128ee500c (diff) | |
Merge drm/drm-next into drm-intel-next-queued
Generally catch up with 5.0-rc1, and specifically get the changes:
96d4f267e40f ("Remove 'type' argument from access_ok() function")
0b2c8f8b6b0c ("i915: fix missing user_access_end() in page fault exception case")
594cc251fdd0 ("make 'user_access_begin()' do 'access_ok()'")
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'include/linux/export.h')
| -rw-r--r-- | include/linux/export.h | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/include/linux/export.h b/include/linux/export.h index ce764a5d2ee4..fd8711ed9ac4 100644 --- a/include/linux/export.h +++ b/include/linux/export.h @@ -92,22 +92,22 @@ struct kernel_symbol { */ #define __EXPORT_SYMBOL(sym, sec) -#elif defined(__KSYM_DEPS__) +#elif defined(CONFIG_TRIM_UNUSED_KSYMS) + +#include <generated/autoksyms.h> /* * For fine grained build dependencies, we want to tell the build system * about each possible exported symbol even if they're not actually exported. - * We use a string pattern that is unlikely to be valid code that the build - * system filters out from the preprocessor output (see ksym_dep_filter - * in scripts/Kbuild.include). + * We use a symbol pattern __ksym_marker_<symbol> that the build system filters + * from the $(NM) output (see scripts/gen_ksymdeps.sh). These symbols are + * discarded in the final link stage. */ -#define __EXPORT_SYMBOL(sym, sec) === __KSYM_##sym === - -#elif defined(CONFIG_TRIM_UNUSED_KSYMS) - -#include <generated/autoksyms.h> +#define __ksym_marker(sym) \ + static int __ksym_marker_##sym[0] __section(".discard.ksym") __used #define __EXPORT_SYMBOL(sym, sec) \ + __ksym_marker(sym); \ __cond_export_sym(sym, sec, __is_defined(__KSYM_##sym)) #define __cond_export_sym(sym, sec, conf) \ ___cond_export_sym(sym, sec, conf) |