[xen master] xen: Remove the arch specific header init.h

[patchbot@xxxxxxx]

commit fd42170b152b19ff12121f3b63674e882c087849
Author:     Julien Grall <jgrall@xxxxxxxxxx>
AuthorDate: Wed Jan 11 11:44:09 2023 +0000
Commit:     Julien Grall <jgrall@xxxxxxxxxx>
CommitDate: Wed Jan 11 17:52:07 2023 +0000

    xen: Remove the arch specific header init.h
    
    Both x86 and (soon) RISC-V version of init.h are empty. On Arm, it contains
    a structure that should not be used by any common code.
    
    The structure init_info is used to store information to setup the CPU
    currently being brought-up. setup.h seems to be more suitable even though
    the header is getting quite crowded.
    
    Looking through the history, <asm/init.h> was introduced at the same
    time as the ia64 port because for some reasons most of the macros
    where duplicated. This was changed in 72c07f413879 and I don't
    foresee any reason to require arch specific definition for init.h
    in the near future.
    
    Therefore remove asm/init.h for both x86 and arm (the only definition
    is moved in setup.h). With that RISC-V will not need to introduce
    an empty header.
    
    Suggested-by: Jan Beulich <jbeulich@xxxxxxxx>
    Signed-off-by: Julien Grall <jgrall@xxxxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Luca Fancellu <luca.fancellu@xxxxxxx>
    Acked-by: Alistair Francis <alistair.francis@xxxxxxx>
---
 xen/arch/arm/arm32/asm-offsets.c |  1 +
 xen/arch/arm/arm64/asm-offsets.c |  1 +
 xen/arch/arm/include/asm/init.h  | 20 --------------------
 xen/arch/arm/include/asm/setup.h |  8 ++++++++
 xen/arch/x86/acpi/power.c        |  1 -
 xen/arch/x86/include/asm/init.h  |  4 ----
 xen/include/xen/init.h           |  2 --
 7 files changed, 10 insertions(+), 27 deletions(-)

diff --git a/xen/arch/arm/arm32/asm-offsets.c b/xen/arch/arm/arm32/asm-offsets.c
index 2116ba5b95..05c692bb28 100644
--- a/xen/arch/arm/arm32/asm-offsets.c
+++ b/xen/arch/arm/arm32/asm-offsets.c
@@ -11,6 +11,7 @@
 #include <public/xen.h>
 #include <asm/current.h>
 #include <asm/procinfo.h>
+#include <asm/setup.h>
 
 #define DEFINE(_sym, _val)                                                 \
     asm volatile ("\n.ascii\"==>#define " #_sym " %0 /* " #_val " */<==\"" \
diff --git a/xen/arch/arm/arm64/asm-offsets.c b/xen/arch/arm/arm64/asm-offsets.c
index 280ddb55bf..7226cd9b2e 100644
--- a/xen/arch/arm/arm64/asm-offsets.c
+++ b/xen/arch/arm/arm64/asm-offsets.c
@@ -10,6 +10,7 @@
 #include <xen/bitops.h>
 #include <public/xen.h>
 #include <asm/current.h>
+#include <asm/setup.h>
 #include <asm/smccc.h>
 
 #define DEFINE(_sym, _val)                                                 \
diff --git a/xen/arch/arm/include/asm/init.h b/xen/arch/arm/include/asm/init.h
deleted file mode 100644
index 5ac8cf8797..0000000000
--- a/xen/arch/arm/include/asm/init.h
+++ /dev/null
@@ -1,20 +0,0 @@
-#ifndef _XEN_ASM_INIT_H
-#define _XEN_ASM_INIT_H
-
-struct init_info
-{
-    /* Pointer to the stack, used by head.S when entering in C */
-    unsigned char *stack;
-    /* Logical CPU ID, used by start_secondary */
-    unsigned int cpuid;
-};
-
-#endif /* _XEN_ASM_INIT_H */
-/*
- * Local variables:
- * mode: C
- * c-file-style: "BSD"
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- */
diff --git a/xen/arch/arm/include/asm/setup.h b/xen/arch/arm/include/asm/setup.h
index fdbf68aadc..a926f30a2b 100644
--- a/xen/arch/arm/include/asm/setup.h
+++ b/xen/arch/arm/include/asm/setup.h
@@ -168,6 +168,14 @@ int map_range_to_domain(const struct dt_device_node *dev,
 
 extern const char __ro_after_init_start[], __ro_after_init_end[];
 
+struct init_info
+{
+    /* Pointer to the stack, used by head.S when entering in C */
+    unsigned char *stack;
+    /* Logical CPU ID, used by start_secondary */
+    unsigned int cpuid;
+};
+
 #endif
 /*
  * Local variables:
diff --git a/xen/arch/x86/acpi/power.c b/xen/arch/x86/acpi/power.c
index b76f673acb..d23335391c 100644
--- a/xen/arch/x86/acpi/power.c
+++ b/xen/arch/x86/acpi/power.c
@@ -17,7 +17,6 @@
 #include <xen/sched.h>
 #include <asm/acpi.h>
 #include <asm/irq.h>
-#include <asm/init.h>
 #include <xen/spinlock.h>
 #include <xen/sched.h>
 #include <xen/domain.h>
diff --git a/xen/arch/x86/include/asm/init.h b/xen/arch/x86/include/asm/init.h
deleted file mode 100644
index 5295b35e63..0000000000
--- a/xen/arch/x86/include/asm/init.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#ifndef _XEN_ASM_INIT_H
-#define _XEN_ASM_INIT_H
-
-#endif /* _XEN_ASM_INIT_H */
diff --git a/xen/include/xen/init.h b/xen/include/xen/init.h
index 0af0e234ec..1d7c0216bc 100644
--- a/xen/include/xen/init.h
+++ b/xen/include/xen/init.h
@@ -1,8 +1,6 @@
 #ifndef _LINUX_INIT_H
 #define _LINUX_INIT_H
 
-#include <asm/init.h>
-
 /*
  * Mark functions and data as being only used at initialization
  * or exit time.
--
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