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[PATCH v6 12/44] x86/boot: update struct boot_module on module relocation
- To: xen-devel@xxxxxxxxxxxxxxxxxxxx
- From: "Daniel P. Smith" <dpsmith@xxxxxxxxxxxxxxxxxxxx>
- Date: Thu, 17 Oct 2024 13:02:52 -0400
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- Cc: "Daniel P. Smith" <dpsmith@xxxxxxxxxxxxxxxxxxxx>, jason.andryuk@xxxxxxx, christopher.w.clark@xxxxxxxxx, stefano.stabellini@xxxxxxx, Jan Beulich <jbeulich@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Delivery-date: Thu, 17 Oct 2024 17:05:29 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
When a boot module is relocated, ensure struct boot_module start and size
fields are updated along with early_mod.
Signed-off-by: Daniel P. Smith <dpsmith@xxxxxxxxxxxxxxxxxxxx>
---
Changes since v5:
- corrected conversion function for a missed switch from mfn to maddr/paddr
---
xen/arch/x86/setup.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c
index 6ee352fc0cde..d51b0b03bc97 100644
--- a/xen/arch/x86/setup.c
+++ b/xen/arch/x86/setup.c
@@ -1380,8 +1380,11 @@ void asmlinkage __init noreturn __start_xen(unsigned
long mbi_p)
* respective reserve_e820_ram() invocation below. No need to
* query efi_boot_mem_unused() here, though.
*/
- bi->mods[xen].mod->mod_start = virt_to_mfn(_stext);
- bi->mods[xen].mod->mod_end = __2M_rwdata_end - _stext;
+ bi->mods[xen].start = virt_to_maddr(_stext);
+ bi->mods[xen].size = __2M_rwdata_end - _stext;
+
+ bi->mods[xen].mod->mod_start = bi->mods[xen].start;
+ bi->mods[xen].mod->mod_end = bi->mods[xen].size;
}
bi->mods[0].headroom =
--
2.30.2
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