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authorPhilippe Mathieu-Daudé2022-02-03 13:16:58 +0100
committerPhilippe Mathieu-Daudé2022-03-06 13:15:42 +0100
commitb04363c24055f3cc9a458bf723ebebdfbabb578c (patch)
treebd5d3538a5318d7b1be766c0982857ac4d918545
parentaccel/kvm: Simplify user-mode #ifdef'ry (diff)
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accel/hax: Introduce CONFIG_HAX_IS_POSSIBLE
Mirror "sysemu/kvm.h" #ifdef'ry to define CONFIG_HAX_IS_POSSIBLE, expose hax_allowed to hax_enabled() macro. Suggested-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20220207075426.81934-9-f4bug@amsat.org>
-rw-r--r--accel/stubs/hax-stub.c2
-rw-r--r--include/sysemu/hax.h18
-rw-r--r--target/i386/hax/hax-all.c7
3 files changed, 15 insertions, 12 deletions
diff --git a/accel/stubs/hax-stub.c b/accel/stubs/hax-stub.c
index 49077f88e3..2fe31aaa9a 100644
--- a/accel/stubs/hax-stub.c
+++ b/accel/stubs/hax-stub.c
@@ -16,6 +16,8 @@
#include "qemu/osdep.h"
#include "sysemu/hax.h"
+bool hax_allowed;
+
int hax_sync_vcpus(void)
{
return 0;
diff --git a/include/sysemu/hax.h b/include/sysemu/hax.h
index 247f0661d1..bf8f99a824 100644
--- a/include/sysemu/hax.h
+++ b/include/sysemu/hax.h
@@ -25,17 +25,23 @@
int hax_sync_vcpus(void);
#ifdef NEED_CPU_H
+# ifdef CONFIG_HAX
+# define CONFIG_HAX_IS_POSSIBLE
+# endif
+#else /* !NEED_CPU_H */
+# define CONFIG_HAX_IS_POSSIBLE
+#endif
-#ifdef CONFIG_HAX
+#ifdef CONFIG_HAX_IS_POSSIBLE
-int hax_enabled(void);
+extern bool hax_allowed;
-#else /* CONFIG_HAX */
+#define hax_enabled() (hax_allowed)
-#define hax_enabled() (0)
+#else /* !CONFIG_HAX_IS_POSSIBLE */
-#endif /* CONFIG_HAX */
+#define hax_enabled() (0)
-#endif /* NEED_CPU_H */
+#endif /* CONFIG_HAX_IS_POSSIBLE */
#endif /* QEMU_HAX_H */
diff --git a/target/i386/hax/hax-all.c b/target/i386/hax/hax-all.c
index bf65ed6fa9..ccdcb6afab 100644
--- a/target/i386/hax/hax-all.c
+++ b/target/i386/hax/hax-all.c
@@ -49,18 +49,13 @@ const uint32_t hax_cur_version = 0x4; /* API v4: unmapping and MMIO moves */
/* Minimum HAX kernel version */
const uint32_t hax_min_version = 0x4; /* API v4: supports unmapping */
-static bool hax_allowed;
+bool hax_allowed;
struct hax_state hax_global;
static void hax_vcpu_sync_state(CPUArchState *env, int modified);
static int hax_arch_get_registers(CPUArchState *env);
-int hax_enabled(void)
-{
- return hax_allowed;
-}
-
int valid_hax_tunnel_size(uint16_t size)
{
return size >= sizeof(struct hax_tunnel);