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Message-ID: <20071213122123.D21124@jurassic.park.msu.ru>
Date: Thu, 13 Dec 2007 12:21:23 +0300
From: Ivan Kokshaysky <ink@...assic.park.msu.ru>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Richard Henderson <rth@...ddle.net>, linux-kernel@...r.kernel.org
Subject: [patch] alpha: build fixes
This fixes some of the alpha-specific build problems, except a) modpost
warning about COMMON symbol "saved_config" and b) nasty final link
failure with gcc-4.x, -Os and scsi-disk driver configured built-in
(due to jump table in .rodata referencing discarded .exit.text).
- build failure with gcc-4.2.x: fix up casts in cia_io* routines to avoid
warnings ('discards qualifiers from pointer target type'), which are
failures, thanks to -Werror;
- modpost warnings: add missing __init qualifier for titan and marvel;
for non-generic build, move machine vectors from .data to .data.init.refok
section;
- unbreak CPU-specific optimization: rearrange cpuflags-y assignments
so that extended -mcpu value (ev56, pca56, ev67) overrides basic
one (ev5, ev6) and not vice versa.
Signed-off-by: Ivan Kokshaysky <ink@...assic.park.msu.ru>
Ivan.
--- 2.6.24-rc5/arch/alpha/Makefile 2007-12-04 13:08:46.000000000 +0300
+++ linux/arch/alpha/Makefile 2007-12-04 13:24:22.000000000 +0300
@@ -14,13 +14,13 @@ LDFLAGS_vmlinux := -static -N #-relax
CHECKFLAGS += -D__alpha__ -m64
cflags-y := -pipe -mno-fp-regs -ffixed-8 -msmall-data
-cpuflags-$(CONFIG_ALPHA_EV67) := -mcpu=ev67
-cpuflags-$(CONFIG_ALPHA_EV6) := -mcpu=ev6
+cpuflags-$(CONFIG_ALPHA_EV4) := -mcpu=ev4
+cpuflags-$(CONFIG_ALPHA_EV5) := -mcpu=ev5
+cpuflags-$(CONFIG_ALPHA_EV56) := -mcpu=ev56
cpuflags-$(CONFIG_ALPHA_POLARIS) := -mcpu=pca56
cpuflags-$(CONFIG_ALPHA_SX164) := -mcpu=pca56
-cpuflags-$(CONFIG_ALPHA_EV56) := -mcpu=ev56
-cpuflags-$(CONFIG_ALPHA_EV5) := -mcpu=ev5
-cpuflags-$(CONFIG_ALPHA_EV4) := -mcpu=ev4
+cpuflags-$(CONFIG_ALPHA_EV6) := -mcpu=ev6
+cpuflags-$(CONFIG_ALPHA_EV67) := -mcpu=ev67
# If GENERIC, make sure to turn off any instruction set extensions that
# the host compiler might have on by default. Given that EV4 and EV5
# have the same instruction set, prefer EV5 because an EV5 schedule is
--- 2.6.24-rc5/include/asm-alpha/io_trivial.h 2007-10-10 00:31:38.000000000 +0400
+++ linux/include/asm-alpha/io_trivial.h 2007-12-04 14:30:13.000000000 +0300
@@ -72,25 +72,29 @@ IO_CONCAT(__IO_PREFIX,writew)(u16 b, vol
__EXTERN_INLINE u8
IO_CONCAT(__IO_PREFIX,readb)(const volatile void __iomem *a)
{
- return IO_CONCAT(__IO_PREFIX,ioread8)((void __iomem *)a);
+ void __iomem *addr = (void __iomem *)a;
+ return IO_CONCAT(__IO_PREFIX,ioread8)(addr);
}
__EXTERN_INLINE u16
IO_CONCAT(__IO_PREFIX,readw)(const volatile void __iomem *a)
{
- return IO_CONCAT(__IO_PREFIX,ioread16)((void __iomem *)a);
+ void __iomem *addr = (void __iomem *)a;
+ return IO_CONCAT(__IO_PREFIX,ioread16)(addr);
}
__EXTERN_INLINE void
IO_CONCAT(__IO_PREFIX,writeb)(u8 b, volatile void __iomem *a)
{
- IO_CONCAT(__IO_PREFIX,iowrite8)(b, (void __iomem *)a);
+ void __iomem *addr = (void __iomem *)a;
+ IO_CONCAT(__IO_PREFIX,iowrite8)(b, addr);
}
__EXTERN_INLINE void
IO_CONCAT(__IO_PREFIX,writew)(u16 b, volatile void __iomem *a)
{
- IO_CONCAT(__IO_PREFIX,iowrite16)(b, (void __iomem *)a);
+ void __iomem *addr = (void __iomem *)a;
+ IO_CONCAT(__IO_PREFIX,iowrite16)(b, addr);
}
#endif
--- 2.6.24-rc5/arch/alpha/kernel/err_marvel.c Thu Dec 6 14:33:58 2007
+++ linux/arch/alpha/kernel/err_marvel.c Thu Dec 6 20:14:17 2007
@@ -1152,7 +1152,7 @@ marvel_machine_check(u64 vector, u64 la_
mb();
}
-void
+void __init
marvel_register_error_handlers(void)
{
ev7_register_error_handlers();
--- 2.6.24-rc5/arch/alpha/kernel/machvec_impl.h Wed Oct 10 00:31:38 2007
+++ linux/arch/alpha/kernel/machvec_impl.h Thu Dec 6 12:14:57 2007
@@ -134,7 +134,7 @@
#define __initmv __initdata
#define ALIAS_MV(x)
#else
-#define __initmv
+#define __initmv __initdata_refok
/* GCC actually has a syntax for defining aliases, but is under some
delusion that you shouldn't be able to declare it extern somewhere
--- 2.6.24-rc5/arch/alpha/kernel/err_titan.c Thu Dec 6 02:11:54 2007
+++ linux/arch/alpha/kernel/err_titan.c Thu Dec 6 20:03:15 2007
@@ -564,7 +564,7 @@ static struct el_subpacket_handler titan
SUBPACKET_HANDLER_INIT(EL_CLASS__REGATTA_FAMILY,
el_process_regatta_subpacket);
-void
+void __init
titan_register_error_handlers(void)
{
size_t i;
--- 2.6.24-rc5/arch/alpha/kernel/err_ev7.c Wed Oct 10 00:31:38 2007
+++ linux/arch/alpha/kernel/err_ev7.c Thu Dec 6 20:02:28 2007
@@ -273,7 +273,7 @@ ev7_process_pal_subpacket(struct el_subp
struct el_subpacket_handler ev7_pal_subpacket_handler =
SUBPACKET_HANDLER_INIT(EL_CLASS__PAL, ev7_process_pal_subpacket);
-void
+void __init
ev7_register_error_handlers(void)
{
int i;
--
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