[v2,1/5] target/i386: Renumber EXCP_SYSCALL
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Message ID 20200116194341.402-2-richard.henderson@linaro.org
State New
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Series
  • linux-user: Implement x86_64 vsyscalls
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Commit Message

Richard Henderson Jan. 16, 2020, 7:43 p.m. UTC
We are not short of numbers for EXCP_*.  There is no need to confuse things
by having EXCP_VMEXIT and EXCP_SYSCALL overlap, even though the former is
only used for system mode and the latter is only used for user mode.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/i386/cpu.h | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

Patch
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diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index 594326a794..164d038d1f 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -998,9 +998,8 @@  typedef uint64_t FeatureWordArray[FEATURE_WORDS];
 #define EXCP11_ALGN	17
 #define EXCP12_MCHK	18
 
-#define EXCP_SYSCALL    0x100 /* only happens in user only emulation
-                                 for syscall instruction */
-#define EXCP_VMEXIT     0x100
+#define EXCP_VMEXIT     0x100 /* only for system emulation */
+#define EXCP_SYSCALL    0x101 /* only for user emulation */
 
 /* i386-specific interrupt pending bits.  */
 #define CPU_INTERRUPT_POLL      CPU_INTERRUPT_TGT_EXT_1