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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/arch/ia64/include/asm/smp.h
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@@ -18,7 +18,6 @@
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 #include <linux/bitops.h>
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 #include <linux/irqreturn.h>
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-#include <asm/io.h>
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 #include <asm/param.h>
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 #include <asm/processor.h>
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 #include <asm/ptrace.h>
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@@ -44,11 +43,6 @@
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 #ifdef CONFIG_SMP
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-#define XTP_OFFSET		0x1e0008
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-
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-#define SMP_IRQ_REDIRECTION	(1 << 0)
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-#define SMP_IPI_REDIRECTION	(1 << 1)
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-
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 #define raw_smp_processor_id() (current_thread_info()->cpu)
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 extern struct smp_boot_data {
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@@ -62,7 +56,6 @@
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 DECLARE_PER_CPU_SHARED_ALIGNED(cpumask_t, cpu_sibling_map);
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 extern int smp_num_siblings;
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 extern void __iomem *ipi_base_addr;
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-extern unsigned char smp_int_redirect;
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 extern volatile int ia64_cpu_to_sapicid[];
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 #define cpu_physical_id(i)	ia64_cpu_to_sapicid[i]
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@@ -82,34 +75,6 @@
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 		if (cpu_physical_id(i) == cpuid)
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 			break;
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 	return i;
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-}
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-
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-/*
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- * XTP control functions:
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- *	min_xtp   : route all interrupts to this CPU
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- *	normal_xtp: nominal XTP value
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- *	max_xtp   : never deliver interrupts to this CPU.
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- */
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-
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-static inline void
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-min_xtp (void)
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-{
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-	if (smp_int_redirect & SMP_IRQ_REDIRECTION)
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-		writeb(0x00, ipi_base_addr + XTP_OFFSET); /* XTP to min */
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-}
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-
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-static inline void
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-normal_xtp (void)
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-{
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-	if (smp_int_redirect & SMP_IRQ_REDIRECTION)
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-		writeb(0x08, ipi_base_addr + XTP_OFFSET); /* XTP normal */
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-}
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-
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-static inline void
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-max_xtp (void)
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-{
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-	if (smp_int_redirect & SMP_IRQ_REDIRECTION)
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-		writeb(0x0f, ipi_base_addr + XTP_OFFSET); /* Set XTP to max */
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 }
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 /* Upping and downing of CPUs */