[PATCH 1/6] x86/setup: Make the loader variable const

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

It is never written to, but has a string literal assigned, and needs to be
const to support -Wwrite-strings

Suggested-by: Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
CC: Jan Beulich <JBeulich@xxxxxxxx>
CC: Roger Pau Monné <roger.pau@xxxxxxxxxx>
CC: Wei Liu <wl@xxxxxxx>
CC: Roberto Bagnara <roberto.bagnara@xxxxxxxxxxx>
CC: Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
---
 xen/arch/x86/setup.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c
index a3d3f797bb1e..c41dfdb2bdf8 100644
--- a/xen/arch/x86/setup.c
+++ b/xen/arch/x86/setup.c
@@ -971,8 +971,8 @@ static struct domain *__init create_dom0(const module_t 
*image,
 /* SAF-1-safe */
 void __init noreturn __start_xen(unsigned long mbi_p)
 {
-    const char *memmap_type = NULL;
-    char *cmdline, *kextra, *loader;
+    const char *memmap_type = NULL, *loader;
+    char *cmdline, *kextra;
     void *bsp_stack;
     struct cpu_info *info = get_cpu_info(), *bsp_info;
     unsigned int initrdidx, num_parked = 0;
@@ -1023,8 +1023,8 @@ void __init noreturn __start_xen(unsigned long mbi_p)
         mod = __va(mbi->mods_addr);
     }
 
-    loader = (mbi->flags & MBI_LOADERNAME)
-        ? (char *)__va(mbi->boot_loader_name) : "unknown";
+    loader = (mbi->flags & MBI_LOADERNAME) ? __va(mbi->boot_loader_name)
+                                           : "unknown";
 
     /* Parse the command-line options. */
     cmdline = cmdline_cook((mbi->flags & MBI_CMDLINE) ?
-- 
2.30.2