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[PATCH] enable native tdb spinlocks on i386 platforms.

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also clean out some stuff in the makefile that was never getting used.
This commit is contained in:
greg@kroah.com 2004-10-06 23:40:35 -07:00 committed by Greg KH
parent f608f8ac16
commit 12901d995f
2 changed files with 7 additions and 14 deletions
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18
Makefile
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@ -107,19 +107,11 @@ OPTIMIZATION := ${shell if $(CC) -Os -S -o /dev/null -xc /dev/null >/dev/null 2>
# add -Wredundant-decls when libsysfs gets cleaned up
WARNINGS := -Wall
# Some nice architecture specific optimizations
ifeq ($(strip $(TARGET_ARCH)),arm)
OPTIMIZATION+=-fstrict-aliasing
endif
ifeq ($(strip $(TARGET_ARCH)),i386)
OPTIMIZATION+=-march=i386
OPTIMIZATION += ${shell if $(CC) -mpreferred-stack-boundary=2 -S -o /dev/null -xc \
/dev/null >/dev/null 2>&1; then echo "-mpreferred-stack-boundary=2"; fi}
OPTIMIZATION += ${shell if $(CC) -malign-functions=0 -malign-jumps=0 -S -o /dev/null -xc \
/dev/null >/dev/null 2>&1; then echo "-malign-functions=0 -malign-jumps=0"; fi}
CFLAGS+=-pipe -Dasmlinkage=__attribute__((regparm(0)))
else
CFLAGS+=-pipe -Dasmlinkage=
CFLAGS := -pipe -Dasmlinkage=
# set up the proper tdb spinlock code if we can
ifeq ($(strip $(ARCH)),i386)
CFLAGS += -DUSE_SPINLOCKS -DINTEL_SPINLOCKS
endif
ifeq ($(strip $(USE_LOG)),true)

3
tdb/spinlock.c
View File

@ -21,7 +21,6 @@
#define STANDALONE
#define TDB_DEBUG
#define HAVE_MMAP 1
#include "../udev.h"
#if HAVE_CONFIG_H
#include <config.h>
@ -40,6 +39,8 @@
#include <signal.h>
#include "tdb.h"
#include "spinlock.h"
#include "../udev.h"
#include "../logging.h"
#else
#include "includes.h"