On 11/7/24 15:58, Jason Andryuk wrote:
On 2024-11-02 13:25, Daniel P. Smith wrote:
To begin moving toward allowing the hypervisor to construct more than one
domain at boot, a container is needed for a domain's build information.
Introduce a new header, <xen/asm/bootdomain.h>, that contains the initial
struct boot_domain that encapsulate the build information for a domain.

Add a kernel and ramdisk boot module reference along with a struct domain
reference to the new struct boot_domain. This allows a struct boot_domain
reference to be the only parameter necessary to pass down through the domain
construction call chain.

Signed-off-by: Daniel P. Smith <[email protected]>
---
Changes since v7
- collapsed the incremental changes to the call chain into this commit
---

diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c
index 18b93d6a272a..6e25a9f726c7 100644
--- a/xen/arch/x86/setup.c
+++ b/xen/arch/x86/setup.c

@@ -1026,11 +1019,11 @@ static struct domain *__init create_dom0(struct boot_info *bi)
          panic("Error creating d%uv0\n", domid);
      /* Grab the DOM0 command line. */
-    if ( image->cmdline_pa || bi->kextra )
+    if ( bd->kernel->cmdline_pa || bi->kextra )
      {
-        if ( image->cmdline_pa )
-            safe_strcpy(
-                cmdline, cmdline_cook(__va(image->cmdline_pa), bi- >loader));
+        if ( bd->kernel->cmdline_pa )
+            safe_strcpy(cmdline, cmdline_cook(__va(bd->kernel- >cmdline_pa),
+                        bi->loader));

I'd indent bi->loader so it lines up with __va, since bi->loader is the second argument to cmdline_cook().

Ack.

With that:

Reviewed-by: Jason Andryuk <[email protected]>

Thanks,

v/r,
dps

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