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[PATCH] x86/HVM: move evtchn_upcall_vector field
- To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 8 Sep 2026 14:17:33 +0200
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Teddy Astie <teddy.astie@xxxxxxxxxx>, Roger Pau Monné <roger@xxxxxxxxxxxxxx>
- Delivery-date: Tue, 08 Sep 2026 12:17:48 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
... into an available 8-bit slot, rather than having it followed by 7
bytes of padding.
Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
--- a/xen/arch/x86/include/asm/hvm/vcpu.h
+++ b/xen/arch/x86/include/asm/hvm/vcpu.h
@@ -129,6 +129,8 @@ struct hvm_vcpu {
spinlock_t tm_lock;
struct list_head tm_list;
+ uint8_t evtchn_upcall_vector;
+
bool flag_dr_dirty;
bool debug_state_latch;
bool single_step;
@@ -165,8 +167,6 @@ struct hvm_vcpu {
/* In mode delay_for_missed_ticks, VCPUs have differing guest times. */
int64_t stime_offset;
- u8 evtchn_upcall_vector;
-
struct hvm_vcpu_io hvm_io;
/* Pending hw/sw interrupt (.vector = -1 means nothing pending). */
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