diff options
Diffstat (limited to 'arch/tile')
-rw-r--r-- | arch/tile/mm/init.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/tile/mm/init.c b/arch/tile/mm/init.c index ace32d7..5bd252e 100644 --- a/arch/tile/mm/init.c +++ b/arch/tile/mm/init.c @@ -233,9 +233,12 @@ static pgprot_t __init init_pgprot(ulong address) if (kdata_huge) return construct_pgprot(PAGE_KERNEL, PAGE_HOME_HASH); - /* We map the aliased pages of permanent text inaccessible. */ + /* + * We map the aliased pages of permanent text so we can + * update them if necessary, for ftrace, etc. + */ if (address < (ulong) _sinittext - CODE_DELTA) - return PAGE_NONE; + return construct_pgprot(PAGE_KERNEL, PAGE_HOME_HASH); /* We map read-only data non-coherent for performance. */ if ((address >= (ulong) __start_rodata && |