[Xen-devel] [PATCH] Fix debug exception stack to enable gdb on xeno64

["Li, Xin B" <xin.b.li@xxxxxxxxx>]

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>

Attachment: fix_debug_stack.patch
Description: fix_debug_stack.patch

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