diff options
Diffstat (limited to 'arch/xtensa')
| -rw-r--r-- | arch/xtensa/include/asm/mman.h | 5 | ||||
| -rw-r--r-- | arch/xtensa/include/asm/socket.h | 3 | ||||
| -rw-r--r-- | arch/xtensa/kernel/Makefile | 3 | ||||
| -rw-r--r-- | arch/xtensa/kernel/head.S | 2 | ||||
| -rw-r--r-- | arch/xtensa/kernel/init_task.c | 5 | ||||
| -rw-r--r-- | arch/xtensa/kernel/time.c | 6 | ||||
| -rw-r--r-- | arch/xtensa/kernel/vmlinux.lds.S | 88 | ||||
| -rw-r--r-- | arch/xtensa/mm/init.c | 2 | ||||
| -rw-r--r-- | arch/xtensa/platforms/iss/network.c | 2 |
9 files changed, 36 insertions, 80 deletions
diff --git a/arch/xtensa/include/asm/mman.h b/arch/xtensa/include/asm/mman.h index 9b92620c8a1..fca4db425f6 100644 --- a/arch/xtensa/include/asm/mman.h +++ b/arch/xtensa/include/asm/mman.h @@ -53,6 +53,8 @@ #define MAP_LOCKED 0x8000 /* pages are locked */ #define MAP_POPULATE 0x10000 /* populate (prefault) pagetables */ #define MAP_NONBLOCK 0x20000 /* do not block on IO */ +#define MAP_STACK 0x40000 /* give out an address that is best suited for process/thread stacks */ +#define MAP_HUGETLB 0x80000 /* create a huge page mapping */ /* * Flags for msync @@ -78,6 +80,9 @@ #define MADV_DONTFORK 10 /* don't inherit across fork */ #define MADV_DOFORK 11 /* do inherit across fork */ +#define MADV_MERGEABLE 12 /* KSM may merge identical pages */ +#define MADV_UNMERGEABLE 13 /* KSM may not merge identical pages */ + /* compatibility flags */ #define MAP_FILE 0 diff --git a/arch/xtensa/include/asm/socket.h b/arch/xtensa/include/asm/socket.h index dd1a7a4a1ce..beb3a6bdb61 100644 --- a/arch/xtensa/include/asm/socket.h +++ b/arch/xtensa/include/asm/socket.h @@ -68,4 +68,7 @@ #define SO_TIMESTAMPING 37 #define SCM_TIMESTAMPING SO_TIMESTAMPING +#define SO_PROTOCOL 38 +#define SO_DOMAIN 39 + #endif /* _XTENSA_SOCKET_H */ diff --git a/arch/xtensa/kernel/Makefile b/arch/xtensa/kernel/Makefile index fe3186de6a3..6f56d95f2c1 100644 --- a/arch/xtensa/kernel/Makefile +++ b/arch/xtensa/kernel/Makefile @@ -27,7 +27,8 @@ sed-y = -e 's/(\(\.[a-z]*it\|\.ref\|\)\.text)/(\1.literal \1.text)/g' \ -e 's/(\(\.text\.[a-z]*\))/(\1.literal \1)/g' quiet_cmd__cpp_lds_S = LDS $@ - cmd__cpp_lds_S = $(CPP) $(cpp_flags) -D__ASSEMBLY__ $< | sed $(sed-y) >$@ + cmd__cpp_lds_S = $(CPP) $(cpp_flags) -P -C -Uxtensa -D__ASSEMBLY__ $< \ + | sed $(sed-y) >$@ $(obj)/vmlinux.lds: $(src)/vmlinux.lds.S FORCE $(call if_changed_dep,_cpp_lds_S) diff --git a/arch/xtensa/kernel/head.S b/arch/xtensa/kernel/head.S index d9ddc1ba761..d215adcfd4e 100644 --- a/arch/xtensa/kernel/head.S +++ b/arch/xtensa/kernel/head.S @@ -235,7 +235,7 @@ should_never_return: * BSS section */ -.section ".bss.page_aligned", "w" +__PAGE_ALIGNED_BSS #ifdef CONFIG_MMU ENTRY(swapper_pg_dir) .fill PAGE_SIZE, 1, 0 diff --git a/arch/xtensa/kernel/init_task.c b/arch/xtensa/kernel/init_task.c index c4302f0e4ba..cd122fb7e48 100644 --- a/arch/xtensa/kernel/init_task.c +++ b/arch/xtensa/kernel/init_task.c @@ -23,9 +23,8 @@ static struct signal_struct init_signals = INIT_SIGNALS(init_signals); static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); -union thread_union init_thread_union - __attribute__((__section__(".data.init_task"))) = -{ INIT_THREAD_INFO(init_task) }; +union thread_union init_thread_union __init_task_data = + { INIT_THREAD_INFO(init_task) }; struct task_struct init_task = INIT_TASK(init_task); diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c index 8848120d291..19f7df30937 100644 --- a/arch/xtensa/kernel/time.c +++ b/arch/xtensa/kernel/time.c @@ -13,6 +13,7 @@ */ #include <linux/errno.h> +#include <linux/sched.h> #include <linux/time.h> #include <linux/clocksource.h> #include <linux/interrupt.h> @@ -59,9 +60,8 @@ static struct irqaction timer_irqaction = { void __init time_init(void) { - xtime.tv_nsec = 0; - xtime.tv_sec = read_persistent_clock(); - + /* FIXME: xtime&wall_to_monotonic are set in timekeeping_init. */ + read_persistent_clock(&xtime); set_normalized_timespec(&wall_to_monotonic, -xtime.tv_sec, -xtime.tv_nsec); diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S index 41c159cd872..9b526154c9b 100644 --- a/arch/xtensa/kernel/vmlinux.lds.S +++ b/arch/xtensa/kernel/vmlinux.lds.S @@ -15,6 +15,8 @@ */ #include <asm-generic/vmlinux.lds.h> +#include <asm/page.h> +#include <asm/thread_info.h> #include <variant/core.h> #include <platform/hardware.h> @@ -107,41 +109,18 @@ SECTIONS .fixup : { *(.fixup) } - . = ALIGN(16); - - __ex_table : { - __start___ex_table = .; - *(__ex_table) - __stop___ex_table = .; - } - + EXCEPTION_TABLE(16) /* Data section */ - . = ALIGN(XCHAL_ICACHE_LINESIZE); _fdata = .; - .data : - { - DATA_DATA - CONSTRUCTORS - . = ALIGN(XCHAL_ICACHE_LINESIZE); - *(.data.cacheline_aligned) - } - + RW_DATA_SECTION(XCHAL_ICACHE_LINESIZE, PAGE_SIZE, THREAD_SIZE) _edata = .; - /* The initial task */ - . = ALIGN(8192); - .data.init_task : { *(.data.init_task) } - /* Initialization code and data: */ - . = ALIGN(1 << 12); + . = ALIGN(PAGE_SIZE); __init_begin = .; - .init.text : { - _sinittext = .; - INIT_TEXT - _einittext = .; - } + INIT_TEXT_SECTION(PAGE_SIZE) .init.data : { @@ -168,36 +147,15 @@ SECTIONS .DebugInterruptVector.text); __boot_reloc_table_end = ABSOLUTE(.) ; - } - . = ALIGN(XCHAL_ICACHE_LINESIZE); - - __setup_start = .; - .init.setup : { *(.init.setup) } - __setup_end = .; - - __initcall_start = .; - .initcall.init : { - INITCALLS + INIT_SETUP(XCHAL_ICACHE_LINESIZE) + INIT_CALLS + CON_INITCALL + SECURITY_INITCALL + INIT_RAM_FS } - __initcall_end = .; - - __con_initcall_start = .; - .con_initcall.init : { *(.con_initcall.init) } - __con_initcall_end = .; - - SECURITY_INIT - - -#ifdef CONFIG_BLK_DEV_INITRD - . = ALIGN(4096); - __initramfs_start =.; - .init.ramfs : { *(.init.ramfs) } - __initramfs_end = .; -#endif - - PERCPU(4096) + PERCPU(PAGE_SIZE) /* We need this dummy segment here */ @@ -252,16 +210,11 @@ SECTIONS .DoubleExceptionVector.literal) . = (LOADADDR( .DoubleExceptionVector.text ) + SIZEOF( .DoubleExceptionVector.text ) + 3) & ~ 3; - . = ALIGN(1 << 12); + . = ALIGN(PAGE_SIZE); __init_end = .; - . = ALIGN(8192); - - /* BSS section */ - _bss_start = .; - .bss : { *(.bss.page_aligned) *(.bss) } - _bss_end = .; + BSS_SECTION(0, 8192, 0) _end = .; @@ -280,15 +233,6 @@ SECTIONS *(.ResetVector.text) } - /* Sections to be discarded */ - /DISCARD/ : - { - *(.exit.literal) - EXIT_TEXT - EXIT_DATA - *(.exitcall.exit) - } - .xt.lit : { *(.xt.lit) } .xt.prop : { *(.xt.prop) } @@ -321,4 +265,8 @@ SECTIONS *(.xt.lit) *(.gnu.linkonce.p*) } + + /* Sections to be discarded */ + DISCARDS + /DISCARD/ : { *(.exit.literal) } } diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c index 427e14fa43c..cdbc27ca966 100644 --- a/arch/xtensa/mm/init.c +++ b/arch/xtensa/mm/init.c @@ -203,7 +203,7 @@ void __init mem_init(void) printk("Memory: %luk/%luk available (%ldk kernel code, %ldk reserved, " "%ldk data, %ldk init %ldk highmem)\n", - (unsigned long) nr_free_pages() << (PAGE_SHIFT-10), + nr_free_pages() << (PAGE_SHIFT-10), ram << (PAGE_SHIFT-10), codesize >> 10, reservedpages << (PAGE_SHIFT-10), diff --git a/arch/xtensa/platforms/iss/network.c b/arch/xtensa/platforms/iss/network.c index edad4156d89..2f0b86b37cf 100644 --- a/arch/xtensa/platforms/iss/network.c +++ b/arch/xtensa/platforms/iss/network.c @@ -545,7 +545,7 @@ static int iss_net_start_xmit(struct sk_buff *skb, struct net_device *dev) spin_unlock_irqrestore(&lp->lock, flags); dev_kfree_skb(skb); - return 0; + return NETDEV_TX_OK; } |