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sh: prefer _THIS_IP_ to current_text_addr

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As part of the effort to reduce the code duplication between _THIS_IP_
and current_text_addr(), let's consolidate callers of
current_text_addr() to use _THIS_IP_.

Link: http://lkml.kernel.org/r/20180801185331.39535-1-ndesaulniers@google.com
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Nick Desaulniers 2018-08-17 15:44:21 -07:00 committed by Linus Torvalds
parent 82f7c5103d
commit 8d00d0c00c
2 changed files with 3 additions and 2 deletions
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3
arch/sh/include/asm/kexec.h
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@ -4,6 +4,7 @@
#include <asm/ptrace.h>
#include <asm/string.h>
#include <linux/kernel.h>
/*
* KEXEC_SOURCE_MEMORY_LIMIT maximum page get_free_page can return.
@ -61,7 +62,7 @@ static inline void crash_setup_regs(struct pt_regs *newregs,
__asm__ __volatile__ ("stc gbr, %0" : "=r" (newregs->gbr));
__asm__ __volatile__ ("stc sr, %0" : "=r" (newregs->sr));
newregs->pc = (unsigned long)current_text_addr();
newregs->pc = _THIS_IP_;
}
}
#else

2
arch/sh/kernel/dwarf.c
View File

@ -599,7 +599,7 @@ struct dwarf_frame *dwarf_unwind_stack(unsigned long pc,
* time this function makes its first function call.
*/
if (!pc || !prev)
pc = (unsigned long)current_text_addr();
pc = _THIS_IP_;
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
/*