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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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1a338ac32c
Remove the bloat of the C calling convention out of the
preempt_enable() sites by creating an ASM wrapper which allows us to
do an asm("call ___preempt_schedule") instead.
calling.h bits by Andi Kleen
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/n/tip-tk7xdi1cvvxewixzke8t8le1@git.kernel.org
[ Fixed build error. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
47 lines
1.0 KiB
C
47 lines
1.0 KiB
C
#include <linux/module.h>
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#include <asm/checksum.h>
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#include <asm/pgtable.h>
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#include <asm/desc.h>
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#include <asm/ftrace.h>
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#ifdef CONFIG_FUNCTION_TRACER
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/* mcount is defined in assembly */
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EXPORT_SYMBOL(mcount);
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#endif
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/*
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* Note, this is a prototype to get at the symbol for
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* the export, but dont use it from C code, it is used
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* by assembly code and is not using C calling convention!
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*/
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#ifndef CONFIG_X86_CMPXCHG64
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extern void cmpxchg8b_emu(void);
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EXPORT_SYMBOL(cmpxchg8b_emu);
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#endif
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/* Networking helper routines. */
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EXPORT_SYMBOL(csum_partial_copy_generic);
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EXPORT_SYMBOL(__get_user_1);
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EXPORT_SYMBOL(__get_user_2);
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EXPORT_SYMBOL(__get_user_4);
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EXPORT_SYMBOL(__get_user_8);
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EXPORT_SYMBOL(__put_user_1);
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EXPORT_SYMBOL(__put_user_2);
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EXPORT_SYMBOL(__put_user_4);
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EXPORT_SYMBOL(__put_user_8);
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EXPORT_SYMBOL(strstr);
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EXPORT_SYMBOL(csum_partial);
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EXPORT_SYMBOL(empty_zero_page);
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#ifdef CONFIG_PREEMPT
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EXPORT_SYMBOL(___preempt_schedule);
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#ifdef CONFIG_CONTEXT_TRACKING
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EXPORT_SYMBOL(___preempt_schedule_context);
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#endif
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#endif
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