xen/23592-xenpaging_start_paging_in_the_middle_of_gfn_range.patch
Olaf Hering e2d8bf077a - fate#310510 - fix xenpaging
Merge paging related fixes from xen-unstable:
  23506-x86_Disable_set_gpfn_from_mfn_until_m2p_table_is_allocated..patch
  23507-xenpaging_update_machine_to_phys_mapping_during_page_deallocation.patch
  23509-x86_32_Fix_build_Define_machine_to_phys_mapping_valid.patch
  23562-xenpaging_remove_unused_spinlock_in_pager.patch
  23576-x86_show_page_walk_also_for_early_page_faults.patch
  23577-tools_merge_several_bitop_functions_into_xc_bitops.h.patch
  23578-xenpaging_add_xs_handle_to_struct_xenpaging.patch
  23579-xenpaging_drop_xc.c_remove_ASSERT.patch
  23580-xenpaging_drop_xc.c_remove_xc_platform_info_t.patch
  23581-xenpaging_drop_xc.c_remove_xc_wait_for_event.patch
  23582-xenpaging_drop_xc.c_move_xc_mem_paging_flush_ioemu_cache.patch
  23583-xenpaging_drop_xc.c_move_xc_wait_for_event_or_timeout.patch
  23584-xenpaging_drop_xc.c_remove_xc_files.patch
  23585-xenpaging_correct_dropping_of_pages_to_avoid_full_ring_buffer.patch
  23586-xenpaging_do_not_bounce_p2mt_back_to_the_hypervisor.patch
  23587-xenpaging_remove_srand_call.patch
  23588-xenpaging_remove_return_values_from_functions_that_can_not_fail.patch
  23589-xenpaging_catch_xc_mem_paging_resume_errors.patch
  23590-xenpaging_remove_local_domain_id_variable.patch
  23591-xenpaging_move_num_pages_into_xenpaging_struct.patch
  23592-xenpaging_start_paging_in_the_middle_of_gfn_range.patch
  23593-xenpaging_pass_integer_to_xenpaging_populate_page.patch
  23594-xenpaging_add_helper_function_for_unlinking_pagefile.patch
  23595-xenpaging_add_watch_thread_to_catch_guest_shutdown.patch
  23596-xenpaging_implement_stopping_of_pager_by_sending_SIGTERM-SIGINT.patch
  23597-xenpaging_remove_private_mem_event.h.patch
  23599-tools_fix_build_after_recent_xenpaging_changes.patch
  23817-mem_event_add_ref_counting_for_free_requestslots.patch
  23818-mem_event_use_mem_event_mark_and_pause_in_mem_event_check_ring.patch
  23827-xenpaging_use_batch_of_pages_during_final_page-in.patch
  23841-mem_event_pass_mem_event_domain_pointer_to_mem_event_functions.patch
  23842-mem_event_use_different_ringbuffers_for_share_paging_and_access.patch
  23874-xenpaging_track_number_of_paged_pages_in_struct_domain.patch
  23904-xenpaging_use_p2m-get_entry_in_p2m_mem_paging_functions.patch
  23905-xenpaging_fix_locking_in_p2m_mem_paging_functions.patch
  23906-xenpaging_remove_confusing_comment_from_p2m_mem_paging_populate.patch
  23908-p2m_query-modify_p2mt_with_p2m_lock_held.patch
  23943-xenpaging_clear_page_content_after_evict.patch
  23953-xenpaging_handle_evict_failures.patch
  23978-xenpaging_check_p2mt_in_p2m_mem_paging_functions.patch
  23979-xenpaging_document_p2m_mem_paging_functions.patch
  23980-xenpaging_disallow_paging_in_a_PoD_guest.patch
  Remove obsolete patches:
  x86-show-page-walk-early.patch
  xenpaging.23817-mem_event_check_ring.patch
  xenpaging.catch-xc_mem_paging_resume-error.patch
  xenpaging.guest_remove_page.slow_path.patch
  xenpaging.mem_event-no-p2mt.patch
  xenpaging.no-srand.patch
  xenpaging.return-void.patch
  xenpaging.xenpaging_populate_page-gfn.patch

- xen.spec: use changeset number as patch number for upstream patches

OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=151
2011-10-20 19:52:33 +00:00

34 lines
1.1 KiB
Diff

changeset: 23592:1e44e75d889c
user: Olaf Hering <olaf@aepfle.de>
date: Fri Jun 10 10:47:23 2011 +0200
files: tools/xenpaging/policy_default.c
description:
xenpaging: start paging in the middle of gfn range
Set the starting gfn to somewhere in the middle of the gfn range to
avoid paging during BIOS startup. This can speedup booting of a guest.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
---
tools/xenpaging/policy_default.c | 4 ++++
1 file changed, 4 insertions(+)
Index: xen-4.1.2-testing/tools/xenpaging/policy_default.c
===================================================================
--- xen-4.1.2-testing.orig/tools/xenpaging/policy_default.c
+++ xen-4.1.2-testing/tools/xenpaging/policy_default.c
@@ -69,6 +69,10 @@ int policy_init(xenpaging_t *paging)
/* Don't page out page 0 */
set_bit(0, bitmap);
+ /* Start in the middle to avoid paging during BIOS startup */
+ current_gfn = max_pages / 2;
+ current_gfn -= paging->num_pages / 2;
+
rc = 0;
out:
return rc;