[PATCH 06/12] x86/boot: relocate kextra into boot info

[Daniel P. Smith]

Move kextra into struct boot_info, thus no longer needed to be passed as a
parameter to create_dom0.

Signed-off-by: Daniel P. Smith <dpsm...@apertussolutions.com>
Reviewed-by: Jason Andryuk <jason.andr...@amd.com>
---
 xen/arch/x86/include/asm/bootinfo.h | 1 +
 xen/arch/x86/setup.c                | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/xen/arch/x86/include/asm/bootinfo.h 
b/xen/arch/x86/include/asm/bootinfo.h
index e337baa905f0..6638da597073 100644
--- a/xen/arch/x86/include/asm/bootinfo.h
+++ b/xen/arch/x86/include/asm/bootinfo.h
@@ -68,6 +68,7 @@ struct boot_module {
 struct boot_info {
     const char *loader;
     const char *cmdline;
+    const char *kextra;
 
     paddr_t memmap_addr;
     size_t memmap_length;
diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c
index 633319d39d80..425467a0d977 100644
--- a/xen/arch/x86/setup.c
+++ b/xen/arch/x86/setup.c
@@ -1136,6 +1136,7 @@ void asmlinkage __init noreturn __start_xen(void)
         *kextra = '\0';
         kextra += 3;
         while ( kextra[1] == ' ' ) kextra++;
+        bi->kextra = kextra;
     }
     cmdline_parse(bi->cmdline);
 
@@ -2141,7 +2142,7 @@ void asmlinkage __init noreturn __start_xen(void)
     dom0 = create_dom0(bi->mods[0].mod, bi->mods[0].headroom,
                        initrdidx < bi->nr_modules ? bi->mods[initrdidx].mod
                                                   : NULL,
-                       kextra, bi->loader);
+                       bi->kextra, bi->loader);
     if ( !dom0 )
         panic("Could not set up DOM0 guest OS\n");
 
-- 
2.30.2