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Masami Hiramatsu 6af6427a96 x86: xen: insn: Decode Xen and KVM emulate-prefix signature ... commit 4d65adfcd1196818659d3bd9b42dccab291e1751 upstream. Decode Xen and KVM's emulate-prefix signature by x86 insn decoder. It is called "prefix" but actually not x86 instruction prefix, so this adds insn.emulate_prefix_size field instead of reusing insn.prefixes. If x86 decoder finds a special sequence of instructions of XEN_EMULATE_PREFIX and 'ud2a; .ascii "kvm"', it just counts the length, set insn.emulate_prefix_size and fold it with the next instruction. In other words, the signature and the next instruction is treated as a single instruction. Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Juergen Gross <jgross@suse.com> Cc: x86@kernel.org Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Stefano Stabellini <sstabellini@kernel.org> Cc: Andrew Cooper <andrew.cooper3@citrix.com> Cc: Borislav Petkov <bp@alien8.de> Cc: xen-devel@lists.xenproject.org Cc: Randy Dunlap <rdunlap@infradead.org> Link: https://lkml.kernel.org/r/156777564986.25081.4964537658500952557.stgit@devnote2 [mheyne: resolved contextual conflict in tools/objtools/sync-check.sh] Signed-off-by: Maximilian Heyne <mheyne@amazon.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2022-05-15 19:54:47 +02:00
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accounting
arch	x86: xen: insn: Decode Xen and KVM emulate-prefix signature	2022-05-15 19:54:47 +02:00
bpf	bpftool: Remove inclusion of utilities.mak from Makefiles	2022-01-27 09:19:53 +01:00
build	tools build: Use $(shell ) instead of `` to get embedded libperl's ccopts	2022-04-15 14:18:40 +02:00
cgroup
debugging
firewire
firmware
gpio
hv
iio
include	bpf: Fix comment for helper bpf_current_task_under_cgroup()	2022-04-15 14:18:30 +02:00
io_uring
kvm/kvm_stat
laptop
leds
lib	libbpf: Skip forward declaration when counting duplicated type names	2022-04-15 14:18:14 +02:00
memory-model
nfsd
objtool	x86: xen: insn: Decode Xen and KVM emulate-prefix signature	2022-05-15 19:54:47 +02:00
pci
pcmcia
perf	x86: xen: insn: Decode Xen and KVM emulate-prefix signature	2022-05-15 19:54:47 +02:00
power
scripts
spi
testing	selftests: mirror_gre_bridge_1q: Avoid changing PVID while interface is operational	2022-05-12 12:23:46 +02:00
thermal/tmon
time
usb
virtio
vm
wmi
Makefile