The patch titled
Subject: sh: prefer _THIS_IP_ to current_text_addr
has been added to the -mm tree. Its filename is
sh-prefer-_this_ip_-to-current_text_addr.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/sh-prefer-_this_ip_-to-current_text_addr.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/sh-prefer-_this_ip_-to-current_text_addr.patch
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------------------------------------------------------
From: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
Subject: sh: prefer _THIS_IP_ to current_text_addr
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@xxxxxxxxxx
Signed-off-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
Cc: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>
Cc: Rich Felker <dalias@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/sh/include/asm/kexec.h | 3 ++-
arch/sh/kernel/dwarf.c | 2 +-
2 files changed, 3 insertions(+), 2 deletions(-)
--- a/arch/sh/include/asm/kexec.h~sh-prefer-_this_ip_-to-current_text_addr
+++ a/arch/sh/include/asm/kexec.h
@@ -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(stru
__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
--- a/arch/sh/kernel/dwarf.c~sh-prefer-_this_ip_-to-current_text_addr
+++ a/arch/sh/kernel/dwarf.c
@@ -599,7 +599,7 @@ struct dwarf_frame *dwarf_unwind_stack(u
* 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
/*
_
Patches currently in -mm which might be from ndesaulniers@xxxxxxxxxx are
sh-prefer-_this_ip_-to-current_text_addr.patch
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