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[Xen-devel] [PATCH] Fix debug exception stack to enable gdb on xeno64
| To: | "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] [PATCH] Fix debug exception stack to enable gdb on xeno64 |
| From: | "Li, Xin B" <xin.b.li@xxxxxxxxx> |
| Date: | Wed, 13 Jul 2005 00:46:30 +0800 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Tue, 12 Jul 2005 16:45:27 +0000 |
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| Thread-index: | AcWHAUD0cPce+diBSYWPCNC5myCXwA== |
| Thread-topic: | [PATCH] Fix debug exception stack to enable gdb on xeno64 |
Native x86_64 linux uses paranoidentry for exceptions with ist != 0, while x86_64 xenlinux doesn't have special stacks for these exceptions. Actually we don't need paranoidentry for x86_64 xenlinux, and these exceptions except #DB should be handled in hypervisor. With this patch, #DB is forwarded to guest, and let it use zeroentry should be OK. -Xin Signed-off-by: Xin Li <xin.b.li@xxxxxxxxx>
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