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LLVMLinux patches for v3.16

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Merge tag 'llvmlinux-for-v3.16' of git://git.linuxfoundation.org/llvmlinux/kernel

Pull LLVM patches from Behan Webster:
 "Next set of patches to support compiling the kernel with clang.
  They've been soaking in linux-next since the last merge window.

  More still in the works for the next merge window..."

* tag 'llvmlinux-for-v3.16' of git://git.linuxfoundation.org/llvmlinux/kernel:
  arm, unwind, LLVMLinux: Enable clang to be used for unwinding the stack
  ARM: LLVMLinux: Change "extern inline" to "static inline" in glue-cache.h
  all: LLVMLinux: Change DWARF flag to support gcc and clang
  net: netfilter: LLVMLinux: vlais-netfilter
  crypto: LLVMLinux: aligned-attribute.patch
This commit is contained in:
Linus Torvalds 2014-06-08 12:27:44 -07:00
commit b20dcab9d4
5 changed files with 32 additions and 19 deletions
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2
Makefile
View File

@ -671,7 +671,7 @@ endif
ifdef CONFIG_DEBUG_INFO
KBUILD_CFLAGS += -g
KBUILD_AFLAGS += -Wa,--gdwarf-2
KBUILD_AFLAGS += -Wa,-gdwarf-2
endif
ifdef CONFIG_DEBUG_INFO_REDUCED

22
arch/arm/include/asm/glue-cache.h
View File

@ -130,22 +130,22 @@
#endif
#ifndef __ASSEMBLER__
extern inline void nop_flush_icache_all(void) { }
extern inline void nop_flush_kern_cache_all(void) { }
extern inline void nop_flush_kern_cache_louis(void) { }
extern inline void nop_flush_user_cache_all(void) { }
extern inline void nop_flush_user_cache_range(unsigned long a,
static inline void nop_flush_icache_all(void) { }
static inline void nop_flush_kern_cache_all(void) { }
static inline void nop_flush_kern_cache_louis(void) { }
static inline void nop_flush_user_cache_all(void) { }
static inline void nop_flush_user_cache_range(unsigned long a,
unsigned long b, unsigned int c) { }
extern inline void nop_coherent_kern_range(unsigned long a, unsigned long b) { }
extern inline int nop_coherent_user_range(unsigned long a,
static inline void nop_coherent_kern_range(unsigned long a, unsigned long b) { }
static inline int nop_coherent_user_range(unsigned long a,
unsigned long b) { return 0; }
extern inline void nop_flush_kern_dcache_area(void *a, size_t s) { }
static inline void nop_flush_kern_dcache_area(void *a, size_t s) { }
extern inline void nop_dma_flush_range(const void *a, const void *b) { }
static inline void nop_dma_flush_range(const void *a, const void *b) { }
extern inline void nop_dma_map_area(const void *s, size_t l, int f) { }
extern inline void nop_dma_unmap_area(const void *s, size_t l, int f) { }
static inline void nop_dma_map_area(const void *s, size_t l, int f) { }
static inline void nop_dma_unmap_area(const void *s, size_t l, int f) { }
#endif
#ifndef MULTI_CACHE

2
arch/arm/kernel/unwind.c
View File

@ -31,7 +31,7 @@
#warning Your compiler does not have EABI support.
#warning ARM unwind is known to compile only with EABI compilers.
#warning Change compiler or disable ARM_UNWIND option.
#elif (__GNUC__ == 4 && __GNUC_MINOR__ <= 2)
#elif (__GNUC__ == 4 && __GNUC_MINOR__ <= 2) && !defined(__clang__)
#warning Your compiler is too buggy; it is known to not compile ARM unwind support.
#warning Change compiler or disable ARM_UNWIND option.
#endif

3
crypto/shash.c
View File

@ -67,7 +67,8 @@ EXPORT_SYMBOL_GPL(crypto_shash_setkey);
static inline unsigned int shash_align_buffer_size(unsigned len,
unsigned long mask)
{
return len + (mask & ~(__alignof__(u8 __attribute__ ((aligned))) - 1));
typedef u8 __attribute__ ((aligned)) u8_aligned;
return len + (mask & ~(__alignof__(u8_aligned) - 1));
}
static int shash_update_unaligned(struct shash_desc *desc, const u8 *data,

22
net/netfilter/xt_repldata.h
View File

@ -5,23 +5,35 @@
* they serve as the hanging-off data accessed through repl.data[].
*/
/* tbl has the following structure equivalent, but is C99 compliant:
* struct {
* struct type##_replace repl;
* struct type##_standard entries[nhooks];
* struct type##_error term;
* } *tbl;
*/
#define xt_alloc_initial_table(type, typ2) ({ \
unsigned int hook_mask = info->valid_hooks; \
unsigned int nhooks = hweight32(hook_mask); \
unsigned int bytes = 0, hooknum = 0, i = 0; \
struct { \
struct type##_replace repl; \
struct type##_standard entries[nhooks]; \
struct type##_error term; \
} *tbl = kzalloc(sizeof(*tbl), GFP_KERNEL); \
struct type##_standard entries[]; \
} *tbl; \
struct type##_error *term; \
size_t term_offset = (offsetof(typeof(*tbl), entries[nhooks]) + \
__alignof__(*term) - 1) & ~(__alignof__(*term) - 1); \
tbl = kzalloc(term_offset + sizeof(*term), GFP_KERNEL); \
if (tbl == NULL) \
return NULL; \
term = (struct type##_error *)&(((char *)tbl)[term_offset]); \
strncpy(tbl->repl.name, info->name, sizeof(tbl->repl.name)); \
tbl->term = (struct type##_error)typ2##_ERROR_INIT; \
*term = (struct type##_error)typ2##_ERROR_INIT; \
tbl->repl.valid_hooks = hook_mask; \
tbl->repl.num_entries = nhooks + 1; \
tbl->repl.size = nhooks * sizeof(struct type##_standard) + \
sizeof(struct type##_error); \
sizeof(struct type##_error); \
for (; hook_mask != 0; hook_mask >>= 1, ++hooknum) { \
if (!(hook_mask & 1)) \
continue; \