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Diffstat (limited to 'arch/arm/boot/compressed/misc.c')
| -rw-r--r-- | arch/arm/boot/compressed/misc.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c index a5658533e18..0125daead29 100644 --- a/arch/arm/boot/compressed/misc.c +++ b/arch/arm/boot/compressed/misc.c @@ -30,7 +30,20 @@ unsigned int __machine_arch_type; static void putstr(const char *ptr); extern void error(char *x); +/* + * Many instances of mach/uncompress.h are including global variables. + * Contrary to standard usage, we should _not_ mark those variables + * static otherwise they get accessed via GOTOFF references which cannot + * be modified at run time. The entry code in head.S relies on the ability + * to move writable sections around, and for that to work, we must have all + * references going through the GOT which works only with non static + * variables. So, instead of asking for a non intuitive requirement + * making many files non standard according to accepted coding practices + * we fix the issue here by simply defining the static keyword to nothing. + */ +#define static /* non-static */ #include <mach/uncompress.h> +#undef static #ifdef CONFIG_DEBUG_ICEDCC |