[xen staging] x86/mm: correct PG_log_dirty definition again

[patchbot@xxxxxxx]

commit 816db17db1a080fe48992e7b727ca2a40b81ef79
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Mon Oct 27 15:49:44 2025 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Mon Oct 27 15:49:44 2025 +0100

    x86/mm: correct PG_log_dirty definition again
    
    The earlier change wasn't correct as far as shim-exclusive mode goes:
    Shadow mode is still to be enabled permitted there, yet the generic
    paging-log-dirty (and more generally domctl) part of the code still is
    unwanted (and cannot be used anyway, as domctl_lock_acquire() isn't
    available).
    
    Fixes: 2ae8a68df21e ("x86/mm: correct PG_log_dirty definition")
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Tested-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
    Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
    Release-Acked-by: Oleksii Kurochko<oleksii.kurochko@xxxxxxxxx>
---
 xen/arch/x86/include/asm/paging.h | 2 +-
 xen/include/hypercall-defs.c      | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/xen/arch/x86/include/asm/paging.h 
b/xen/arch/x86/include/asm/paging.h
index 1b0694bb36..0c06b0a7a8 100644
--- a/xen/arch/x86/include/asm/paging.h
+++ b/xen/arch/x86/include/asm/paging.h
@@ -55,7 +55,7 @@
 #define PG_translate   0
 #define PG_external    0
 #endif
-#ifdef CONFIG_PAGING
+#if defined(CONFIG_PAGING) && !defined(CONFIG_PV_SHIM_EXCLUSIVE)
 /* Enable log dirty mode */
 #define PG_log_dirty   (XEN_DOMCTL_SHADOW_ENABLE_LOG_DIRTY << PG_mode_shift)
 #else
diff --git a/xen/include/hypercall-defs.c b/xen/include/hypercall-defs.c
index 8370b4b289..cef08eeec1 100644
--- a/xen/include/hypercall-defs.c
+++ b/xen/include/hypercall-defs.c
@@ -197,7 +197,7 @@ dm_op(domid_t domid, unsigned int nr_bufs, xen_dm_op_buf_t 
*bufs)
 #ifdef CONFIG_SYSCTL
 sysctl(xen_sysctl_t *u_sysctl)
 #endif
-#if defined(CONFIG_X86) && defined(CONFIG_PAGING)
+#if defined(CONFIG_X86) && defined(CONFIG_PAGING) && 
!defined(CONFIG_PV_SHIM_EXCLUSIVE)
 paging_domctl_cont(xen_domctl_t *u_domctl)
 #endif
 #ifndef CONFIG_PV_SHIM_EXCLUSIVE
@@ -298,7 +298,7 @@ dm_op                              compat   do       compat 
  do       do
 hypfs_op                           do       do       do       do       do
 #endif
 mca                                do       do       -        -        -
-#if defined(CONFIG_X86) && defined(CONFIG_PAGING)
+#if defined(CONFIG_X86) && defined(CONFIG_PAGING) && 
!defined(CONFIG_PV_SHIM_EXCLUSIVE)
 paging_domctl_cont                 do       do       do       do       -
 #endif
 
--
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