7dd4fcf5b7
On panic, all other CPUs are stopped except the one which had hit panic. To keep console alive, we need to migrate hvcons irq to panicked CPU. Signed-off-by: Vijay Kumar <vijay.ac.kumar@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
72 lines
1.4 KiB
C
72 lines
1.4 KiB
C
/*
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* Just a place holder.
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*/
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#ifndef _SPARC_SETUP_H
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#define _SPARC_SETUP_H
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#include <linux/interrupt.h>
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#include <uapi/asm/setup.h>
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extern char reboot_command[];
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#ifdef CONFIG_SPARC32
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/* The CPU that was used for booting
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* Only sun4d + leon may have boot_cpu_id != 0
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*/
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extern unsigned char boot_cpu_id;
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extern unsigned long empty_zero_page;
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extern int serial_console;
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static inline int con_is_present(void)
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{
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return serial_console ? 0 : 1;
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}
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/* from irq_32.c */
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extern volatile unsigned char *fdc_status;
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extern char *pdma_vaddr;
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extern unsigned long pdma_size;
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extern volatile int doing_pdma;
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/* This is software state */
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extern char *pdma_base;
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extern unsigned long pdma_areasize;
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int sparc_floppy_request_irq(unsigned int irq, irq_handler_t irq_handler);
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/* setup_32.c */
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extern unsigned long cmdline_memory_size;
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/* devices.c */
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void __init device_scan(void);
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/* unaligned_32.c */
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unsigned long safe_compute_effective_address(struct pt_regs *, unsigned int);
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#endif
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#ifdef CONFIG_SPARC64
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void __init start_early_boot(void);
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/* unaligned_64.c */
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int handle_ldf_stq(u32 insn, struct pt_regs *regs);
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void handle_ld_nf(u32 insn, struct pt_regs *regs);
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/* init_64.c */
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extern atomic_t dcpage_flushes;
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extern atomic_t dcpage_flushes_xcall;
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extern int sysctl_tsb_ratio;
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#ifdef CONFIG_SERIAL_SUNHV
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void sunhv_migrate_hvcons_irq(int cpu);
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#endif
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#endif
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void sun_do_break(void);
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extern int stop_a_enabled;
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extern int scons_pwroff;
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#endif /* _SPARC_SETUP_H */
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