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Red Hat Bugzilla – Attachment 311891 Details for
Bug 455427
x86: don't call MP_processor_info for disabled cpu (64bit)
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[patch]
RHEL5 fix for this issue
455427.patch (text/plain), 931 bytes, created by
Prarit Bhargava
on 2008-07-15 22:57:18 UTC
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Description:
RHEL5 fix for this issue
Filename:
MIME Type:
Creator:
Prarit Bhargava
Created:
2008-07-15 22:57:18 UTC
Size:
931 bytes
patch
obsolete
>diff -urNp -X linux-2.6.18.x86_64/Documentation/dontdiff linux-2.6.18.x86_64.orig/arch/x86_64/kernel/mpparse.c linux-2.6.18.x86_64/arch/x86_64/kernel/mpparse.c >--- linux-2.6.18.x86_64.orig/arch/x86_64/kernel/mpparse.c 2008-07-15 14:11:55.000000000 -0400 >+++ linux-2.6.18.x86_64/arch/x86_64/kernel/mpparse.c 2008-07-15 18:42:12.000000000 -0400 >@@ -66,7 +66,7 @@ unsigned int boot_cpu_id = -1U; > /* Internal processor count */ > unsigned int num_processors __initdata = 0; > >-unsigned disabled_cpus __initdata; >+unsigned disabled_cpus __cpuinitdata; > > /* Bitmask of physically existing CPUs */ > physid_mask_t phys_cpu_present_map = PHYSID_MASK_NONE; >@@ -694,6 +694,12 @@ void __cpuinit mp_register_lapic ( > struct mpc_config_processor processor; > int boot_cpu = 0; > >+ >+ if (!enabled) { >+ ++disabled_cpus; >+ return; >+ } >+ > if (id >= MAX_APICS) { > printk(KERN_WARNING "Processor #%d invalid (max %d)\n", > id, MAX_APICS);
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