From 51b563fc93c8cb5bff1d67a0a71c374e4a4ea049 Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Sun, 20 Sep 2009 12:28:22 +0200 Subject: arm, cris, mips, sparc, powerpc, um, xtensa: fix build with bash 4.0 Albin Tonnerre reported: Bash 4 filters out variables which contain a dot in them. This happends to be the case of CPPFLAGS_vmlinux.lds. This is rather unfortunate, as it now causes build failures when using SHELL=/bin/bash to compile, or when bash happens to be used by make (eg when it's /bin/sh) Remove the common definition of CPPFLAGS_vmlinux.lds by pushing relevant stuff to either Makefile.build or the arch specific kernel/Makefile where we build the linker script. This is also nice cleanup as we move the information out where it is used. Notes for the different architectures touched: arm - we use an already exported symbol cris - we use a config symbol aleady available [Not build tested] mips - the jiffies complexity has moved to vmlinux.lds.S where we need it. Added a few variables to CPPFLAGS - they are only used by the linker script. [Not build tested] powerpc - removed assignment that is not needed [not build tested] sparc - simplified it using $(BITS) um - introduced a few new exported variables to deal with this xtensa - added options to CPP invocation [not build tested] Cc: Albin Tonnerre Cc: Russell King Cc: Mikael Starvik Cc: Jesper Nilsson Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: "David S. Miller" Cc: Jeff Dike Cc: Chris Zankel Signed-off-by: Sam Ravnborg --- arch/xtensa/kernel/Makefile | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'arch/xtensa') diff --git a/arch/xtensa/kernel/Makefile b/arch/xtensa/kernel/Makefile index fe3186de6a33..6f56d95f2c1e 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) -- cgit v1.2.3-59-g8ed1b From d200c922bc2b1ac88b8d33b6cfff2ed837af186a Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Sun, 20 Sep 2009 18:14:13 -0400 Subject: Use new __init_task_data macro in arch init_task.c files. Signed-off-by: Joe Perches Signed-off-by: Tim Abbott Acked-by: Paul Mundt Signed-off-by: Sam Ravnborg --- arch/arm/kernel/init_task.c | 5 ++--- arch/avr32/kernel/init_task.c | 5 ++--- arch/cris/kernel/process.c | 5 ++--- arch/frv/kernel/init_task.c | 5 ++--- arch/h8300/kernel/init_task.c | 5 ++--- arch/ia64/kernel/init_task.c | 3 ++- arch/m32r/kernel/init_task.c | 5 ++--- arch/m68k/kernel/process.c | 6 +++--- arch/m68knommu/kernel/init_task.c | 5 ++--- arch/microblaze/kernel/init_task.c | 5 ++--- arch/mips/kernel/init_task.c | 5 ++--- arch/mn10300/kernel/init_task.c | 5 ++--- arch/parisc/kernel/init_task.c | 4 ++-- arch/powerpc/kernel/init_task.c | 5 ++--- arch/powerpc/kernel/machine_kexec_64.c | 5 +++-- arch/s390/kernel/init_task.c | 5 ++--- arch/score/kernel/init_task.c | 5 ++--- arch/sh/kernel/init_task.c | 5 ++--- arch/sparc/kernel/init_task.c | 5 ++--- arch/um/kernel/init_task.c | 5 ++--- arch/x86/kernel/init_task.c | 5 ++--- arch/xtensa/kernel/init_task.c | 5 ++--- 22 files changed, 46 insertions(+), 62 deletions(-) (limited to 'arch/xtensa') diff --git a/arch/arm/kernel/init_task.c b/arch/arm/kernel/init_task.c index 3f470866bb89..e7cbb50dc356 100644 --- a/arch/arm/kernel/init_task.c +++ b/arch/arm/kernel/init_task.c @@ -24,9 +24,8 @@ static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); * * The things we do for performance.. */ -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) }; /* * Initial task structure. diff --git a/arch/avr32/kernel/init_task.c b/arch/avr32/kernel/init_task.c index 57ec9f2dcd95..6b2343e6fe33 100644 --- a/arch/avr32/kernel/init_task.c +++ b/arch/avr32/kernel/init_task.c @@ -18,9 +18,8 @@ static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); /* * Initial thread structure. Must be aligned on an 8192-byte boundary. */ -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) }; /* * Initial task structure. diff --git a/arch/cris/kernel/process.c b/arch/cris/kernel/process.c index 51dcd04d2777..c99aeab7cef7 100644 --- a/arch/cris/kernel/process.c +++ b/arch/cris/kernel/process.c @@ -45,9 +45,8 @@ static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); * way process stacks are handled. This is done by having a special * "init_task" linker map entry.. */ -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) }; /* * Initial task structure. diff --git a/arch/frv/kernel/init_task.c b/arch/frv/kernel/init_task.c index 1d3df1d9495c..3c3e0b336a9d 100644 --- a/arch/frv/kernel/init_task.c +++ b/arch/frv/kernel/init_task.c @@ -19,9 +19,8 @@ static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); * way process stacks are handled. This is done by having a special * "init_task" linker map entry.. */ -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) }; /* * Initial task structure. diff --git a/arch/h8300/kernel/init_task.c b/arch/h8300/kernel/init_task.c index 089c65ed6eb3..54c1062ee80e 100644 --- a/arch/h8300/kernel/init_task.c +++ b/arch/h8300/kernel/init_task.c @@ -31,7 +31,6 @@ EXPORT_SYMBOL(init_task); * way process stacks are handled. This is done by having a special * "init_task" linker map entry.. */ -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) }; diff --git a/arch/ia64/kernel/init_task.c b/arch/ia64/kernel/init_task.c index c475fc281be7..e253ab8fcbc8 100644 --- a/arch/ia64/kernel/init_task.c +++ b/arch/ia64/kernel/init_task.c @@ -33,7 +33,8 @@ union { struct thread_info thread_info; } s; unsigned long stack[KERNEL_STACK_SIZE/sizeof (unsigned long)]; -} init_task_mem asm ("init_task") __attribute__((section(".data.init_task"))) = {{ +} init_task_mem asm ("init_task") __init_task_data = + {{ .task = INIT_TASK(init_task_mem.s.task), .thread_info = INIT_THREAD_INFO(init_task_mem.s.task) }}; diff --git a/arch/m32r/kernel/init_task.c b/arch/m32r/kernel/init_task.c index fce57e5d3f91..6c42d5f8df50 100644 --- a/arch/m32r/kernel/init_task.c +++ b/arch/m32r/kernel/init_task.c @@ -20,9 +20,8 @@ static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); * way process stacks are handled. This is done by having a special * "init_task" linker map entry.. */ -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) }; /* * Initial task structure. diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c index 72bad65dba3a..41230c595a8e 100644 --- a/arch/m68k/kernel/process.c +++ b/arch/m68k/kernel/process.c @@ -42,9 +42,9 @@ */ 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"), aligned(THREAD_SIZE))) - = { INIT_THREAD_INFO(init_task) }; +union thread_union init_thread_union __init_task_data + __attribute__((aligned(THREAD_SIZE))) = + { INIT_THREAD_INFO(init_task) }; /* initial task structure */ struct task_struct init_task = INIT_TASK(init_task); diff --git a/arch/m68knommu/kernel/init_task.c b/arch/m68knommu/kernel/init_task.c index 45e97a207fed..cbf9dc3cc51d 100644 --- a/arch/m68knommu/kernel/init_task.c +++ b/arch/m68knommu/kernel/init_task.c @@ -31,7 +31,6 @@ EXPORT_SYMBOL(init_task); * way process stacks are handled. This is done by having a special * "init_task" linker map entry.. */ -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) }; diff --git a/arch/microblaze/kernel/init_task.c b/arch/microblaze/kernel/init_task.c index 67da22579b62..b5d711f94ff8 100644 --- a/arch/microblaze/kernel/init_task.c +++ b/arch/microblaze/kernel/init_task.c @@ -19,9 +19,8 @@ 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); EXPORT_SYMBOL(init_task); diff --git a/arch/mips/kernel/init_task.c b/arch/mips/kernel/init_task.c index 5b457a40c784..6d6ca5305895 100644 --- a/arch/mips/kernel/init_task.c +++ b/arch/mips/kernel/init_task.c @@ -21,9 +21,8 @@ static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); * * The things we do for performance.. */ -union thread_union init_thread_union - __attribute__((__section__(".data.init_task"), - __aligned__(THREAD_SIZE))) = +union thread_union init_thread_union __init_task_data + __attribute__((__aligned__(THREAD_SIZE))) = { INIT_THREAD_INFO(init_task) }; /* diff --git a/arch/mn10300/kernel/init_task.c b/arch/mn10300/kernel/init_task.c index 80d423b80af3..a481b043bea7 100644 --- a/arch/mn10300/kernel/init_task.c +++ b/arch/mn10300/kernel/init_task.c @@ -27,9 +27,8 @@ static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); * way process stacks are handled. This is done by having a special * "init_task" linker map entry.. */ -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) }; /* * Initial task structure. diff --git a/arch/parisc/kernel/init_task.c b/arch/parisc/kernel/init_task.c index 82974b20fc10..d020eae6525c 100644 --- a/arch/parisc/kernel/init_task.c +++ b/arch/parisc/kernel/init_task.c @@ -43,8 +43,8 @@ static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); * way process stacks are handled. This is done by having a special * "init_task" linker map entry.. */ -union thread_union init_thread_union - __attribute__((aligned(128))) __attribute__((__section__(".data.init_task"))) = +union thread_union init_thread_union __init_task_data + __attribute__((aligned(128))) = { INIT_THREAD_INFO(init_task) }; #if PT_NLEVELS == 3 diff --git a/arch/powerpc/kernel/init_task.c b/arch/powerpc/kernel/init_task.c index ffc4253fef55..2375b7eb1c76 100644 --- a/arch/powerpc/kernel/init_task.c +++ b/arch/powerpc/kernel/init_task.c @@ -16,9 +16,8 @@ static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); * way process stacks are handled. This is done by having a special * "init_task" linker map entry.. */ -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) }; /* * Initial task structure. diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c index 49e705fcee6d..040bd1de8d99 100644 --- a/arch/powerpc/kernel/machine_kexec_64.c +++ b/arch/powerpc/kernel/machine_kexec_64.c @@ -13,6 +13,7 @@ #include #include #include +#include #include #include @@ -249,8 +250,8 @@ static void kexec_prepare_cpus(void) * We could use a smaller stack if we don't care about anything using * current, but that audit has not been performed. */ -static union thread_union kexec_stack - __attribute__((__section__(".data.init_task"))) = { }; +static union thread_union kexec_stack __init_task_data = + { }; /* Our assembly helper, in kexec_stub.S */ extern NORET_TYPE void kexec_sequence(void *newstack, unsigned long start, diff --git a/arch/s390/kernel/init_task.c b/arch/s390/kernel/init_task.c index fe787f9e5f3f..4d1c9fb0b540 100644 --- a/arch/s390/kernel/init_task.c +++ b/arch/s390/kernel/init_task.c @@ -25,9 +25,8 @@ static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); * way process stacks are handled. This is done by having a special * "init_task" linker map entry.. */ -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) }; /* * Initial task structure. diff --git a/arch/score/kernel/init_task.c b/arch/score/kernel/init_task.c index ff952f6c63fd..baa03ee217d1 100644 --- a/arch/score/kernel/init_task.c +++ b/arch/score/kernel/init_task.c @@ -34,9 +34,8 @@ static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); * way process stacks are handled. This is done by having a special * "init_task" linker map entry.. */ -union thread_union init_thread_union - __attribute__((__section__(".data.init_task"), __aligned__(THREAD_SIZE))) = - { INIT_THREAD_INFO(init_task) }; +union thread_union init_thread_union __init_task_data = + { INIT_THREAD_INFO(init_task) }; /* * Initial task structure. diff --git a/arch/sh/kernel/init_task.c b/arch/sh/kernel/init_task.c index 1719957c0a69..11f2ea556a6b 100644 --- a/arch/sh/kernel/init_task.c +++ b/arch/sh/kernel/init_task.c @@ -17,9 +17,8 @@ struct pt_regs fake_swapper_regs; * way process stacks are handled. This is done by having a special * "init_task" linker map entry.. */ -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) }; /* * Initial task structure. diff --git a/arch/sparc/kernel/init_task.c b/arch/sparc/kernel/init_task.c index 28125c5b3d3c..5fe3d65581f7 100644 --- a/arch/sparc/kernel/init_task.c +++ b/arch/sparc/kernel/init_task.c @@ -18,6 +18,5 @@ EXPORT_SYMBOL(init_task); * If this is not aligned on a 8k boundry, then you should change code * in etrap.S which assumes it. */ -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) }; diff --git a/arch/um/kernel/init_task.c b/arch/um/kernel/init_task.c index b25121b537d8..8aa77b61a5ff 100644 --- a/arch/um/kernel/init_task.c +++ b/arch/um/kernel/init_task.c @@ -30,9 +30,8 @@ EXPORT_SYMBOL(init_task); * "init_task" linker map entry.. */ -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) }; union thread_union cpu0_irqstack __attribute__((__section__(".data.init_irqstack"))) = diff --git a/arch/x86/kernel/init_task.c b/arch/x86/kernel/init_task.c index 270ff83efc11..3a54dcb9cd0e 100644 --- a/arch/x86/kernel/init_task.c +++ b/arch/x86/kernel/init_task.c @@ -20,9 +20,8 @@ static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); * way process stacks are handled. This is done by having a special * "init_task" linker map entry.. */ -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) }; /* * Initial task structure. diff --git a/arch/xtensa/kernel/init_task.c b/arch/xtensa/kernel/init_task.c index c4302f0e4ba0..cd122fb7e48a 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); -- cgit v1.2.3-59-g8ed1b From 02b7da37f7acd49277dea1481dc0c5c246c09732 Mon Sep 17 00:00:00 2001 From: Tim Abbott Date: Sun, 20 Sep 2009 18:14:14 -0400 Subject: Use macros for .bss.page_aligned section. This patch changes the remaining direct references to .bss.page_aligned in C and assembly code to use the macros in include/linux/linkage.h. Signed-off-by: Tim Abbott Cc: Thomas Gleixner Cc: Ingo Molnar Cc: H. Peter Anvin Acked-by: Paul Mundt Cc: Chris Zankel Signed-off-by: Sam Ravnborg --- arch/sh/kernel/irq.c | 6 ++---- arch/x86/kernel/head_32.S | 2 +- arch/x86/kernel/head_64.S | 2 +- arch/xtensa/kernel/head.S | 2 +- 4 files changed, 5 insertions(+), 7 deletions(-) (limited to 'arch/xtensa') diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c index 60f8af4497c7..7cb933ba4957 100644 --- a/arch/sh/kernel/irq.c +++ b/arch/sh/kernel/irq.c @@ -165,11 +165,9 @@ asmlinkage int do_IRQ(unsigned int irq, struct pt_regs *regs) } #ifdef CONFIG_IRQSTACKS -static char softirq_stack[NR_CPUS * THREAD_SIZE] - __attribute__((__section__(".bss.page_aligned"))); +static char softirq_stack[NR_CPUS * THREAD_SIZE] __page_aligned_bss; -static char hardirq_stack[NR_CPUS * THREAD_SIZE] - __attribute__((__section__(".bss.page_aligned"))); +static char hardirq_stack[NR_CPUS * THREAD_SIZE] __page_aligned_bss; /* * allocate per-cpu stacks for hardirq and for softirq processing diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index b766e8c7252d..1dac23958427 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -608,7 +608,7 @@ ENTRY(initial_code) /* * BSS section */ -.section ".bss.page_aligned","wa" +__PAGE_ALIGNED_BSS .align PAGE_SIZE_asm #ifdef CONFIG_X86_PAE swapper_pg_pmd: diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index fa54f78e2a05..d0bc0a13a437 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -418,7 +418,7 @@ ENTRY(phys_base) ENTRY(idt_table) .skip IDT_ENTRIES * 16 - .section .bss.page_aligned, "aw", @nobits + __PAGE_ALIGNED_BSS .align PAGE_SIZE ENTRY(empty_zero_page) .skip PAGE_SIZE diff --git a/arch/xtensa/kernel/head.S b/arch/xtensa/kernel/head.S index d9ddc1ba761c..d215adcfd4ea 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 -- cgit v1.2.3-59-g8ed1b