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| author | David S. Miller <davem@davemloft.net> | 2019-09-02 21:20:17 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-09-02 21:20:17 +0300 |
| commit | 765b7590c92d849806e9a27ab3a5a17cfc6a47a9 (patch) | |
| tree | 4387f5034f870accfd2bb56997c535159da45f06 /arch/x86/kernel/apic/bigsmp_32.c | |
| parent | 4bc61b0b16955322576265724ab0a0075a30dc84 (diff) | |
| parent | 089cf7f6ecb266b6a4164919a2e69bd2f938374a (diff) | |
| download | linux-765b7590c92d849806e9a27ab3a5a17cfc6a47a9.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
r8152 conflicts are the NAPI fixes in 'net' overlapping with
some tasklet stuff in net-next
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/x86/kernel/apic/bigsmp_32.c')
| -rw-r--r-- | arch/x86/kernel/apic/bigsmp_32.c | 24 |
1 files changed, 2 insertions, 22 deletions
diff --git a/arch/x86/kernel/apic/bigsmp_32.c b/arch/x86/kernel/apic/bigsmp_32.c index afee386ff711..caedd8d60d36 100644 --- a/arch/x86/kernel/apic/bigsmp_32.c +++ b/arch/x86/kernel/apic/bigsmp_32.c @@ -38,32 +38,12 @@ static int bigsmp_early_logical_apicid(int cpu) return early_per_cpu(x86_cpu_to_apicid, cpu); } -static inline unsigned long calculate_ldr(int cpu) -{ - unsigned long val, id; - - val = apic_read(APIC_LDR) & ~APIC_LDR_MASK; - id = per_cpu(x86_bios_cpu_apicid, cpu); - val |= SET_APIC_LOGICAL_ID(id); - - return val; -} - /* - * Set up the logical destination ID. - * - * Intel recommends to set DFR, LDR and TPR before enabling - * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel - * document number 292116). So here it goes... + * bigsmp enables physical destination mode + * and doesn't use LDR and DFR */ static void bigsmp_init_apic_ldr(void) { - unsigned long val; - int cpu = smp_processor_id(); - - apic_write(APIC_DFR, APIC_DFR_FLAT); - val = calculate_ldr(cpu); - apic_write(APIC_LDR, val); } static void bigsmp_setup_apic_routing(void) |