46a9bbe9d5
[ Upstream commit a6da4d6fdf8bd512c98d3ac7f1d16bc4bb282919 ] We can rely on the system kernel and the dump capture kernel themselves in memory usage. Being restrictive with 512MB limit may cause kexec tool failure on some platforms. Tested-by: Rachel Mozes <rachel.mozes@intel.com> Reported-by: Rachel Mozes <rachel.mozes@intel.com> Signed-off-by: Dengcheng Zhu <dzhu@wavecomp.com> Signed-off-by: Paul Burton <paul.burton@mips.com> Patchwork: https://patchwork.linux-mips.org/patch/20568/ Cc: pburton@wavecomp.com Cc: ralf@linux-mips.org Cc: linux-mips@linux-mips.org Signed-off-by: Sasha Levin <sashal@kernel.org>
53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
/*
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* kexec.h for kexec
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* Created by <nschichan@corp.free.fr> on Thu Oct 12 14:59:34 2006
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*
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* This source code is licensed under the GNU General Public License,
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* Version 2. See the file COPYING for more details.
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*/
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#ifndef _MIPS_KEXEC
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# define _MIPS_KEXEC
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#include <asm/stacktrace.h>
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/* Maximum physical address we can use pages from */
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#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
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/* Maximum address we can reach in physical address mode */
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#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
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/* Maximum address we can use for the control code buffer */
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#define KEXEC_CONTROL_MEMORY_LIMIT (-1UL)
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/* Reserve 3*4096 bytes for board-specific info */
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#define KEXEC_CONTROL_PAGE_SIZE (4096 + 3*4096)
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/* The native architecture */
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#define KEXEC_ARCH KEXEC_ARCH_MIPS
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#define MAX_NOTE_BYTES 1024
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static inline void crash_setup_regs(struct pt_regs *newregs,
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struct pt_regs *oldregs)
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{
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if (oldregs)
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memcpy(newregs, oldregs, sizeof(*newregs));
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else
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prepare_frametrace(newregs);
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}
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#ifdef CONFIG_KEXEC
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struct kimage;
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extern unsigned long kexec_args[4];
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extern int (*_machine_kexec_prepare)(struct kimage *);
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extern void (*_machine_kexec_shutdown)(void);
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extern void (*_machine_crash_shutdown)(struct pt_regs *regs);
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extern void default_machine_crash_shutdown(struct pt_regs *regs);
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#ifdef CONFIG_SMP
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extern const unsigned char kexec_smp_wait[];
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extern unsigned long secondary_kexec_args[4];
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extern void (*relocated_kexec_smp_wait) (void *);
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extern atomic_t kexec_ready_to_reboot;
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extern void (*_crash_smp_send_stop)(void);
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#endif
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#endif
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#endif /* !_MIPS_KEXEC */
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