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From 45a80fe7d247898d83edfeabe32b9de80a50a6be Mon Sep 17 00:00:00 2001
From: Andrea Adami <andrea.adami@gmail.com>
Date: Fri, 31 Aug 2018 11:33:51 +0200
Subject: [PATCH] kexec-syscall.h: work around missing syscall() wrapper
Fix
kexec-syscall.h: In function 'kexec_load':
kexec-syscall.h:80:16: warning: implicit declaration of function 'syscall'
Upstream-Status: Inappropriate [klibc specific]
Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
---
kexec/kexec-syscall.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/kexec/kexec-syscall.h b/kexec/kexec-syscall.h
index 33638c2..b4bd63c 100644
--- a/kexec/kexec-syscall.h
+++ b/kexec/kexec-syscall.h
@@ -74,11 +74,16 @@
struct kexec_segment;
+#ifndef __KLIBC__
static inline long kexec_load(void *entry, unsigned long nr_segments,
struct kexec_segment *segments, unsigned long flags)
{
return (long) syscall(__NR_kexec_load, entry, nr_segments, segments, flags);
}
+#else
+extern long kexec_load(void *entry, unsigned long nr_segments,
+ struct kexec_segment *segments, unsigned long flags);
+#endif
static inline int is_kexec_file_load_implemented(void) {
if (__NR_kexec_file_load != 0xffffffff)
@@ -90,8 +95,12 @@ static inline long kexec_file_load(int kernel_fd, int initrd_fd,
unsigned long cmdline_len, const char *cmdline_ptr,
unsigned long flags)
{
+#ifndef __KLIBC__
return (long) syscall(__NR_kexec_file_load, kernel_fd, initrd_fd,
cmdline_len, cmdline_ptr, flags);
+#else
+ return -1;
+#endif
}
#define KEXEC_ON_CRASH 0x00000001
--
2.7.4
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