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[PATCH 2/2] arm: Boilerpate arch_domain_teardown()
- To: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Mon, 5 Jun 2023 15:43:31 +0100
- Authentication-results: esa3.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none
- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Jens Wiklander <jens.wiklander@xxxxxxxxxx>
- Delivery-date: Mon, 05 Jun 2023 14:43:55 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
XXX to be filled in with TEE teardown.
Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
CC: Stefano Stabellini <sstabellini@xxxxxxxxxx>
CC: Julien Grall <julien@xxxxxxx>
CC: Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
CC: Bertrand Marquis <bertrand.marquis@xxxxxxx>
CC: Jens Wiklander <jens.wiklander@xxxxxxxxxx>
Jens: In the same was as the previous patch in the common path, you want to
add a PROG_tee(?) here, and rearrange the right function(s).
---
xen/arch/arm/domain.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/xen/arch/arm/domain.c b/xen/arch/arm/domain.c
index b3981d70a442..b00d0e4f30b7 100644
--- a/xen/arch/arm/domain.c
+++ b/xen/arch/arm/domain.c
@@ -752,6 +752,33 @@ int arch_domain_create(struct domain *d,
int arch_domain_teardown(struct domain *d)
{
+ BUG_ON(!d->is_dying);
+
+ /* See domain_teardown() for an explanation of all of this magic. */
+ switch ( d->teardown.arch_val )
+ {
+#define PROGRESS(x) \
+ d->teardown.arch_val = PROG_ ## x; \
+ fallthrough; \
+ case PROG_ ## x
+
+ enum {
+ PROG_none,
+ PROG_done,
+ };
+
+ case PROG_none:
+ BUILD_BUG_ON(PROG_none != 0);
+
+ PROGRESS(done):
+ break;
+
+#undef PROGRESS
+
+ default:
+ BUG();
+ }
+
return 0;
}
--
2.30.2
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