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[PATCH] x86: move .altinstr_replacement past _einittext
- To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 14 Jun 2021 15:53:45 +0200
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Delivery-date: Mon, 14 Jun 2021 13:53:56 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
This section's contents do not represent part of actual hypervisor text,
so shouldn't be included in what is_kernel_inittext() or (while still
booting) is_active_kernel_text() report "true" for. Keep them in
.init.text though, as there's no real reason to have a separate section
for this in the final binary.
Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
--- a/xen/arch/x86/xen.lds.S
+++ b/xen/arch/x86/xen.lds.S
@@ -185,13 +185,13 @@ SECTIONS
#endif
_sinittext = .;
*(.init.text)
+ _einittext = .;
/*
* Here are the replacement instructions. The linker sticks them
* as binary blobs. The .altinstructions has enough data to get
* the address and the length of them to patch the kernel safely.
*/
*(.altinstr_replacement)
- _einittext = .;
#ifdef EFI /* EFI wants to merge all of .init.* ELF doesn't. */
. = ALIGN(SMP_CACHE_BYTES);
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