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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 | ae08e43eecd250e50ffa40c4bd62a65e005b875b (patch) | |
| tree | c49dab56f332f50d9a6f43e93160ff7f524d590f /arch | |
| parent | 8339e9fba33aa3205f541478c413982c0ac5a37f (diff) | |
| download | op-kernel-dev-ae08e43eecd250e50ffa40c4bd62a65e005b875b.zip op-kernel-dev-ae08e43eecd250e50ffa40c4bd62a65e005b875b.tar.gz | |
[PATCH] i386: use safe_apic_wait_icr_idle - i386
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')
| -rw-r--r-- | arch/i386/kernel/smpboot.c | 36 |
1 files changed, 8 insertions, 28 deletions
diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c index f14d933..94dce14 100644 --- a/arch/i386/kernel/smpboot.c +++ b/arch/i386/kernel/smpboot.c @@ -563,8 +563,8 @@ static inline void __inquire_remote_apic(int apicid) static int __devinit wakeup_secondary_cpu(int logical_apicid, unsigned long start_eip) { - unsigned long send_status = 0, accept_status = 0; - int timeout, maxlvt; + unsigned long send_status, accept_status = 0; + int maxlvt; /* Target chip */ apic_write_around(APIC_ICR2, SET_APIC_DEST_FIELD(logical_apicid)); @@ -574,12 +574,7 @@ wakeup_secondary_cpu(int logical_apicid, unsigned long start_eip) apic_write_around(APIC_ICR, APIC_DM_NMI | APIC_DEST_LOGICAL); 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. @@ -609,8 +604,8 @@ wakeup_secondary_cpu(int logical_apicid, unsigned long start_eip) static int __devinit wakeup_secondary_cpu(int phys_apicid, unsigned long start_eip) { - 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; /* * Be paranoid about clearing APIC errors. @@ -635,12 +630,7 @@ wakeup_secondary_cpu(int phys_apicid, unsigned long start_eip) | 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); @@ -653,12 +643,7 @@ wakeup_secondary_cpu(int phys_apicid, unsigned long start_eip) apic_write_around(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(); atomic_set(&init_deasserted, 1); @@ -714,12 +699,7 @@ wakeup_secondary_cpu(int phys_apicid, unsigned long start_eip) 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. |
