diff options
Diffstat (limited to 'target/linux/generic/patches-3.19/305-mips_module_reloc.patch')
| -rw-r--r-- | target/linux/generic/patches-3.19/305-mips_module_reloc.patch | 37 |
1 files changed, 18 insertions, 19 deletions
diff --git a/target/linux/generic/patches-3.19/305-mips_module_reloc.patch b/target/linux/generic/patches-3.19/305-mips_module_reloc.patch index 2e92916f97..a9f10e1bdc 100644 --- a/target/linux/generic/patches-3.19/305-mips_module_reloc.patch +++ b/target/linux/generic/patches-3.19/305-mips_module_reloc.patch @@ -30,7 +30,7 @@ typedef uint8_t Elf64_Byte; /* Type for a 8-bit quantity. */ --- a/arch/mips/kernel/module.c +++ b/arch/mips/kernel/module.c -@@ -43,14 +43,222 @@ struct mips_hi16 { +@@ -43,14 +43,221 @@ struct mips_hi16 { static LIST_HEAD(dbe_list); static DEFINE_SPINLOCK(dbe_lock); @@ -126,6 +126,10 @@ + + split_page(page, order); + ++ /* mark all pages except for the last one */ ++ for (p = page; p + 1 < page + (size >> PAGE_SHIFT); ++p) ++ set_bit(PG_owner_priv_1, &p->flags); ++ + for (p = page + (size >> PAGE_SHIFT); p < page + (1 << order); ++p) + __free_page(p); + @@ -133,16 +137,17 @@ +} +#endif + -+static void free_phys(void *ptr, unsigned long size) ++static void free_phys(void *ptr) +{ + struct page *page; -+ struct page *end; ++ bool free; + + page = virt_to_page(ptr); -+ end = page + (PAGE_ALIGN(size) >> PAGE_SHIFT); -+ -+ for (; page < end; ++page) ++ do { ++ free = test_and_clear_bit(PG_owner_priv_1, &page->flags); + __free_page(page); ++ page++; ++ } while (free); +} + + @@ -180,18 +185,12 @@ +} + +/* Free memory returned from module_alloc */ -+void module_free(struct module *mod, void *module_region) ++void module_memfree(void *module_region) +{ -+ if (is_phys_addr(module_region)) { -+ if (mod->module_init == module_region) -+ free_phys(module_region, mod->init_size); -+ else if (mod->module_core == module_region) -+ free_phys(module_region, mod->core_size); -+ else -+ BUG(); -+ } else { ++ if (is_phys_addr(module_region)) ++ free_phys(module_region); ++ else + vfree(module_region); -+ } +} + +static void *__module_alloc(int size, bool phys) @@ -254,7 +253,7 @@ int apply_r_mips_none(struct module *me, u32 *location, Elf_Addr v) { -@@ -64,8 +272,39 @@ static int apply_r_mips_32_rel(struct mo +@@ -64,8 +271,39 @@ static int apply_r_mips_32_rel(struct mo return 0; } @@ -294,7 +293,7 @@ if (v % 4) { pr_err("module %s: dangerous R_MIPS_26 REL relocation\n", me->name); -@@ -73,14 +312,17 @@ static int apply_r_mips_26_rel(struct mo +@@ -73,14 +311,17 @@ static int apply_r_mips_26_rel(struct mo } if ((v & 0xf0000000) != (((unsigned long)location + 4) & 0xf0000000)) { @@ -317,7 +316,7 @@ return 0; } -@@ -287,11 +529,32 @@ int module_finalize(const Elf_Ehdr *hdr, +@@ -287,11 +528,32 @@ int module_finalize(const Elf_Ehdr *hdr, list_add(&me->arch.dbe_list, &dbe_list); spin_unlock_irq(&dbe_lock); } |