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| author | Fernando Luis VazquezCao <fernando@oss.ntt.co.jp> | 2007-05-02 19:27:17 +0200 |
|---|---|---|
| committer | Andi Kleen <andi@basil.nowhere.org> | 2007-05-02 19:27:17 +0200 |
| commit | ea8c733b98b73289421ed8f8fc15cfbce3adc3bc (patch) | |
| tree | 7522643f5ff0f9158a710b907d6f5258ae62ba59 /arch/x86_64 | |
| parent | ae08e43eecd250e50ffa40c4bd62a65e005b875b (diff) | |
| download | blackbird-op-linux-ea8c733b98b73289421ed8f8fc15cfbce3adc3bc.tar.gz blackbird-op-linux-ea8c733b98b73289421ed8f8fc15cfbce3adc3bc.zip | |
[PATCH] x86-64: use safe_apic_wait_icr_idle in smpboot.c - x86_64
The functionality provided by the new safe_apic_wait_icr_idle is being
open-coded all over "kernel/smpboot.c". Use safe_apic_wait_icr_idle
instead to consolidate code and ease maintenance.
Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
Signed-off-by: Andi Kleen <ak@suse.de>
Diffstat (limited to 'arch/x86_64')
| -rw-r--r-- | arch/x86_64/kernel/smpboot.c | 25 |
1 files changed, 5 insertions, 20 deletions
diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c index ddc392bee243..f2a234b390e8 100644 --- a/arch/x86_64/kernel/smpboot.c +++ b/arch/x86_64/kernel/smpboot.c @@ -429,8 +429,8 @@ static void inquire_remote_apic(int apicid) */ static int __cpuinit wakeup_secondary_via_INIT(int phys_apicid, unsigned int start_rip) { - unsigned long send_status = 0, accept_status = 0; - int maxlvt, timeout, num_starts, j; + unsigned long send_status, accept_status = 0; + int maxlvt, num_starts, j; Dprintk("Asserting INIT.\n"); @@ -446,12 +446,7 @@ static int __cpuinit wakeup_secondary_via_INIT(int phys_apicid, unsigned int sta | APIC_DM_INIT); Dprintk("Waiting for send to finish...\n"); - timeout = 0; - do { - Dprintk("+"); - udelay(100); - send_status = apic_read(APIC_ICR) & APIC_ICR_BUSY; - } while (send_status && (timeout++ < 1000)); + send_status = safe_apic_wait_icr_idle(); mdelay(10); @@ -464,12 +459,7 @@ static int __cpuinit wakeup_secondary_via_INIT(int phys_apicid, unsigned int sta apic_write(APIC_ICR, APIC_INT_LEVELTRIG | APIC_DM_INIT); Dprintk("Waiting for send to finish...\n"); - timeout = 0; - do { - Dprintk("+"); - udelay(100); - send_status = apic_read(APIC_ICR) & APIC_ICR_BUSY; - } while (send_status && (timeout++ < 1000)); + send_status = safe_apic_wait_icr_idle(); mb(); atomic_set(&init_deasserted, 1); @@ -508,12 +498,7 @@ static int __cpuinit wakeup_secondary_via_INIT(int phys_apicid, unsigned int sta Dprintk("Startup point 1.\n"); Dprintk("Waiting for send to finish...\n"); - timeout = 0; - do { - Dprintk("+"); - udelay(100); - send_status = apic_read(APIC_ICR) & APIC_ICR_BUSY; - } while (send_status && (timeout++ < 1000)); + send_status = safe_apic_wait_icr_idle(); /* * Give the other CPU some time to accept the IPI. |
