[xen staging] x86/gdbstub: Clean up includes

[patchbot@xxxxxxx]

commit 30122012db246c3e05f7a3668e03f76141affd4c
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Wed Apr 20 13:48:05 2022 +0100
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Fri Apr 22 20:39:34 2022 +0100

    x86/gdbstub: Clean up includes
    
    common/gdbstub.c wants struct gdb_context but only gets it transitively
    through asm/debugger.h.  None of */gdbstub.c should include asm/debugger.h 
so
    include xen/gdbstub.h instead.
    
    Forward declare struct cpu_user_regs in xen/gdbstub.h so it doesn't depend 
on
    the include order to compile.
    
    x86/setup.c doesn't need xen/gdbstub.h at all, so drop it.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
---
 xen/arch/x86/gdbstub.c        | 5 ++++-
 xen/arch/x86/setup.c          | 1 -
 xen/arch/x86/x86_64/gdbstub.c | 2 +-
 xen/common/gdbstub.c          | 3 ++-
 xen/include/xen/gdbstub.h     | 2 ++
 5 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/xen/arch/x86/gdbstub.c b/xen/arch/x86/gdbstub.c
index 8f4f49fd3b..961cae0be7 100644
--- a/xen/arch/x86/gdbstub.c
+++ b/xen/arch/x86/gdbstub.c
@@ -18,7 +18,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; If not, see <http://www.gnu.org/licenses/>.
  */
-#include <asm/debugger.h>
+#include <asm/uaccess.h>
+#include <asm/x86-defns.h>
+
+#include <xen/gdbstub.h>
 
 u16
 gdb_arch_signal_num(struct cpu_user_regs *regs, unsigned long cookie)
diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c
index 6f20e17892..53a73010e0 100644
--- a/xen/arch/x86/setup.c
+++ b/xen/arch/x86/setup.c
@@ -15,7 +15,6 @@
 #include <xen/multiboot.h>
 #include <xen/domain_page.h>
 #include <xen/version.h>
-#include <xen/gdbstub.h>
 #include <xen/hypercall.h>
 #include <xen/keyhandler.h>
 #include <xen/numa.h>
diff --git a/xen/arch/x86/x86_64/gdbstub.c b/xen/arch/x86/x86_64/gdbstub.c
index 2626519c89..8287124dfb 100644
--- a/xen/arch/x86/x86_64/gdbstub.c
+++ b/xen/arch/x86/x86_64/gdbstub.c
@@ -17,7 +17,7 @@
  * along with this program; If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <asm/debugger.h>
+#include <xen/gdbstub.h>
 
 #define GDB_REG64(r) gdb_write_to_packet_hex(r, sizeof(u64), ctx)
 #define GDB_REG32(r)  gdb_write_to_packet_hex(r, sizeof(u32), ctx)
diff --git a/xen/common/gdbstub.c b/xen/common/gdbstub.c
index d6872721dc..df8d122bce 100644
--- a/xen/common/gdbstub.c
+++ b/xen/common/gdbstub.c
@@ -38,13 +38,14 @@
 #include <xen/serial.h>
 #include <xen/irq.h>
 #include <xen/watchdog.h>
-#include <asm/debugger.h>
 #include <xen/init.h>
 #include <xen/param.h>
 #include <xen/smp.h>
 #include <xen/console.h>
 #include <xen/errno.h>
 #include <xen/delay.h>
+#include <xen/gdbstub.h>
+
 #include <asm/byteorder.h>
 
 /* Printk isn't particularly safe just after we've trapped to the
diff --git a/xen/include/xen/gdbstub.h b/xen/include/xen/gdbstub.h
index 0b2041095d..18c960969b 100644
--- a/xen/include/xen/gdbstub.h
+++ b/xen/include/xen/gdbstub.h
@@ -25,6 +25,8 @@
 
 #ifdef CONFIG_CRASH_DEBUG
 
+struct cpu_user_regs;
+
 struct gdb_context {
     int                 serhnd;           /* handle on our serial line */
     int                 console_steal_id; /* handle on stolen console */
--
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