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| author | Ingo Molnar <mingo@elte.hu> | 2008-12-29 09:45:15 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-29 09:45:15 +0100 |
| commit | e1df957670aef74ffd9a4ad93e6d2c90bf6b4845 (patch) | |
| tree | bca1fcfef55b3e3e82c9a822b4ac6428fce2b419 /arch/x86/kernel/es7000_32.c | |
| parent | 2b583d8bc8d7105b58d7481a4a0ceb718dac49c6 (diff) | |
| parent | 3c92ec8ae91ecf59d88c798301833d7cf83f2179 (diff) | |
| download | op-kernel-dev-e1df957670aef74ffd9a4ad93e6d2c90bf6b4845.zip op-kernel-dev-e1df957670aef74ffd9a4ad93e6d2c90bf6b4845.tar.gz | |
Merge branch 'linus' into perfcounters/core
Conflicts:
fs/exec.c
include/linux/init_task.h
Simple context conflicts.
Diffstat (limited to 'arch/x86/kernel/es7000_32.c')
| -rw-r--r-- | arch/x86/kernel/es7000_32.c | 62 |
1 files changed, 42 insertions, 20 deletions
diff --git a/arch/x86/kernel/es7000_32.c b/arch/x86/kernel/es7000_32.c index 0aa2c44..53699c9 100644 --- a/arch/x86/kernel/es7000_32.c +++ b/arch/x86/kernel/es7000_32.c @@ -38,8 +38,11 @@ #include <asm/io.h> #include <asm/nmi.h> #include <asm/smp.h> +#include <asm/atomic.h> #include <asm/apicdef.h> #include <mach_mpparse.h> +#include <asm/genapic.h> +#include <asm/setup.h> /* * ES7000 chipsets @@ -161,6 +164,43 @@ es7000_rename_gsi(int ioapic, int gsi) return gsi; } +static int wakeup_secondary_cpu_via_mip(int cpu, unsigned long eip) +{ + unsigned long vect = 0, psaival = 0; + + if (psai == NULL) + return -1; + + vect = ((unsigned long)__pa(eip)/0x1000) << 16; + psaival = (0x1000000 | vect | cpu); + + while (*psai & 0x1000000) + ; + + *psai = psaival; + + return 0; +} + +static void noop_wait_for_deassert(atomic_t *deassert_not_used) +{ +} + +static int __init es7000_update_genapic(void) +{ + genapic->wakeup_cpu = wakeup_secondary_cpu_via_mip; + + /* MPENTIUMIII */ + if (boot_cpu_data.x86 == 6 && + (boot_cpu_data.x86_model >= 7 || boot_cpu_data.x86_model <= 11)) { + es7000_update_genapic_to_cluster(); + genapic->wait_for_init_deassert = noop_wait_for_deassert; + genapic->wakeup_cpu = wakeup_secondary_cpu_via_mip; + } + + return 0; +} + void __init setup_unisys(void) { @@ -176,6 +216,8 @@ setup_unisys(void) else es7000_plat = ES7000_CLASSIC; ioapic_renumber_irq = es7000_rename_gsi; + + x86_quirks->update_genapic = es7000_update_genapic; } /* @@ -317,26 +359,6 @@ es7000_mip_write(struct mip_reg *mip_reg) return status; } -int -es7000_start_cpu(int cpu, unsigned long eip) -{ - unsigned long vect = 0, psaival = 0; - - if (psai == NULL) - return -1; - - vect = ((unsigned long)__pa(eip)/0x1000) << 16; - psaival = (0x1000000 | vect | cpu); - - while (*psai & 0x1000000) - ; - - *psai = psaival; - - return 0; - -} - void __init es7000_sw_apic(void) { |
