[src/trunk]: src/sys/arch/xen Remove XENPV support from xenmem; it's only use...

[bouyer <bouyer%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/8969d4e969e4
branches:  trunk
changeset: 369779:8969d4e969e4
user:      bouyer <bouyer%NetBSD.org@localhost>
date:      Wed Aug 31 12:53:27 2022 +0000

description:
Remove XENPV support from xenmem; it's only used for !XENPV at this time.

diffstat:

 sys/arch/xen/include/xenmem.h |   8 +-------
 sys/arch/xen/xen/xenmem.c     |  31 ++-----------------------------
 2 files changed, 3 insertions(+), 36 deletions(-)

diffs (76 lines):

diff -r 37b5f4dcd5d4 -r 8969d4e969e4 sys/arch/xen/include/xenmem.h
--- a/sys/arch/xen/include/xenmem.h     Wed Aug 31 12:51:56 2022 +0000
+++ b/sys/arch/xen/include/xenmem.h     Wed Aug 31 12:53:27 2022 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: xenmem.h,v 1.1 2022/08/31 12:51:56 bouyer Exp $ */
+/* $NetBSD: xenmem.h,v 1.2 2022/08/31 12:53:27 bouyer Exp $ */
 /*
  * Copyright (c) 2022 Manuel Bouyer.
  *
@@ -29,12 +29,6 @@
 #ifndef _XEN_XENMEM_H_
 #define _XEN_XENMEM_H_
 #include "opt_xen.h"
-#ifdef XENPV
-extern paddr_t pmap_pa_start; /* PA of first physical page for this domain */
-extern paddr_t pmap_pa_end;   /* PA of last physical page for this domain */
-
-void xenmem_pa_register(paddr_t, paddr_t);
-#endif /* XENPV */
 
 paddr_t xenmem_alloc_pa(u_long, u_long, bool);
 void xenmem_free_pa(paddr_t, u_long);
diff -r 37b5f4dcd5d4 -r 8969d4e969e4 sys/arch/xen/xen/xenmem.c
--- a/sys/arch/xen/xen/xenmem.c Wed Aug 31 12:51:56 2022 +0000
+++ b/sys/arch/xen/xen/xenmem.c Wed Aug 31 12:53:27 2022 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: xenmem.c,v 1.1 2022/08/31 12:51:56 bouyer Exp $ */
+/* $NetBSD: xenmem.c,v 1.2 2022/08/31 12:53:27 bouyer Exp $ */
 /*
  * Copyright (c) 2022 Manuel Bouyer.
  *
@@ -25,7 +25,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: xenmem.c,v 1.1 2022/08/31 12:51:56 bouyer Exp $");
+__KERNEL_RCSID(0, "$NetBSD: xenmem.c,v 1.2 2022/08/31 12:53:27 bouyer Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -45,35 +45,8 @@
  * we reuse the iomem_ex
  */
 
-#if 0 /* def XENPV */
-extern paddr_t pmap_pa_start; /* PA of first physical page for this domain */
-extern paddr_t pmap_pa_end;   /* PA of last physical page for this domain */
-
-static long xenmem_ex_storage[EXTENT_FIXED_STORAGE_SIZE(64) / sizeof(long)];
-struct  extent *xenmem_ex;
-#define XENMEM_EX xenmem_ex
-#else /* !XENPV */
 extern struct  extent *iomem_ex;
 #define XENMEM_EX iomem_ex
-#endif /* XENPV */
-
-#ifdef XENPV
-void
-xenmem_pa_register(paddr_t pa_start, paddr_t pa_end)
-{
-       int error;
-       uvm_page_physload(atop(pa_start), atop(pa_end),
-           atop(pa_start), atop(pa_end), VM_FREELIST_DEFAULT);
-       xenmem_ex = extent_create("xenmem", 0x0, MAXIOMEM,
-           (void *)xenmem_ex_storage, sizeof(xenmem_ex_storage),
-               EX_NOCOALESCE|EX_NOWAIT);
-       
-       error = extent_alloc_region(xenmem_ex, 0, pa_end, EX_NOWAIT);
-       if (error)
-               panic("xenmem_ex: can't reserve allocated RAM");
-
-}
-#endif /* XENPV */
 
 paddr_t
 xenmem_alloc_pa(u_long size, u_long align, bool waitok)