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-rw-r--r--arch/x86/kernel/apic/apic_flat_64.c16
-rw-r--r--arch/x86/kernel/apic/apic_numachip.c5
-rw-r--r--arch/x86/kernel/apic/x2apic_uv_x.c7
3 files changed, 6 insertions, 22 deletions
diff --git a/arch/x86/kernel/apic/apic_flat_64.c b/arch/x86/kernel/apic/apic_flat_64.c
index 8862da7..a4d7ff2 100644
--- a/arch/x86/kernel/apic/apic_flat_64.c
+++ b/arch/x86/kernel/apic/apic_flat_64.c
@@ -116,27 +116,17 @@ static void flat_send_IPI_all(int vector)
static unsigned int flat_get_apic_id(unsigned long x)
{
- unsigned int id;
-
- id = (((x)>>24) & 0xFFu);
-
- return id;
+ return (x >> 24) & 0xFF;
}
static unsigned long set_apic_id(unsigned int id)
{
- unsigned long x;
-
- x = ((id & 0xFFu)<<24);
- return x;
+ return (id & 0xFF) << 24;
}
static unsigned int read_xapic_id(void)
{
- unsigned int id;
-
- id = flat_get_apic_id(apic_read(APIC_ID));
- return id;
+ return flat_get_apic_id(apic_read(APIC_ID));
}
static int flat_apic_id_registered(void)
diff --git a/arch/x86/kernel/apic/apic_numachip.c b/arch/x86/kernel/apic/apic_numachip.c
index 714d4fd..e08fe2c 100644
--- a/arch/x86/kernel/apic/apic_numachip.c
+++ b/arch/x86/kernel/apic/apic_numachip.c
@@ -40,10 +40,7 @@ static unsigned int numachip1_get_apic_id(unsigned long x)
static unsigned long numachip1_set_apic_id(unsigned int id)
{
- unsigned long x;
-
- x = ((id & 0xffU) << 24);
- return x;
+ return (id & 0xff) << 24;
}
static unsigned int numachip2_get_apic_id(unsigned long x)
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index b9f6157..f034c84 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -533,11 +533,8 @@ static unsigned int x2apic_get_apic_id(unsigned long x)
static unsigned long set_apic_id(unsigned int id)
{
- unsigned long x;
-
- /* maskout x2apic_extra_bits ? */
- x = id;
- return x;
+ /* CHECKME: Do we need to mask out the xapic extra bits? */
+ return id;
}
static unsigned int uv_read_apic_id(void)
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