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[PATCH RFC 10/13] migration: Add pss_init()
From: |
Peter Xu |
Subject: |
[PATCH RFC 10/13] migration: Add pss_init() |
Date: |
Mon, 29 Aug 2022 12:56:56 -0400 |
Helper to init PSS structures.
Signed-off-by: Peter Xu <peterx@redhat.com>
---
migration/ram.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/migration/ram.c b/migration/ram.c
index adcc57c584..bdfcc6171a 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -535,6 +535,14 @@ static bool do_compress_ram_page(QEMUFile *f, z_stream
*stream, RAMBlock *block,
static void postcopy_preempt_restore(RAMState *rs, PageSearchStatus *pss,
bool postcopy_requested);
+/* NOTE: page is the PFN not real ram_addr_t. */
+static void pss_init(PageSearchStatus *pss, RAMBlock *rb, ram_addr_t page)
+{
+ pss->block = rb;
+ pss->page = page;
+ pss->complete_round = false;
+}
+
static void *do_data_compress(void *opaque)
{
CompressParam *param = opaque;
@@ -2625,9 +2633,7 @@ static int ram_find_and_save_block(RAMState *rs)
return pages;
}
- pss.block = rs->last_seen_block;
- pss.page = rs->last_page;
- pss.complete_round = false;
+ pss_init(&pss, rs->last_seen_block, rs->last_page);
if (!pss.block) {
pss.block = QLIST_FIRST_RCU(&ram_list.blocks);
--
2.32.0
- [PATCH RFC 00/13] migration: Postcopy Preempt-Full, Peter Xu, 2022/08/29
- [PATCH RFC 02/13] migration: Add postcopy_preempt_active(), Peter Xu, 2022/08/29
- [PATCH RFC 01/13] migration: Use non-atomic ops for clear log bitmap, Peter Xu, 2022/08/29
- [PATCH RFC 06/13] migration: Trivial cleanup save_page_header() on same block check, Peter Xu, 2022/08/29
- [PATCH RFC 07/13] migration: Remove RAMState.f references in compression code, Peter Xu, 2022/08/29
- [PATCH RFC 04/13] migration: Cleanup xbzrle zero page cache update logic, Peter Xu, 2022/08/29
- [PATCH RFC 11/13] migration: Make PageSearchStatus part of RAMState, Peter Xu, 2022/08/29
- [PATCH RFC 03/13] migration: Yield bitmap_mutex properly when sending/sleeping, Peter Xu, 2022/08/29
- [PATCH RFC 08/13] migration: Teach PSS about host page, Peter Xu, 2022/08/29
- [PATCH RFC 10/13] migration: Add pss_init(),
Peter Xu <=
- [PATCH RFC 13/13] migration: Send requested page directly in rp-return thread, Peter Xu, 2022/08/29
- [PATCH RFC 05/13] migration: Disallow postcopy preempt to be used with compress, Peter Xu, 2022/08/29
- [PATCH RFC 12/13] migration: Move last_sent_block into PageSearchStatus, Peter Xu, 2022/08/29
- [PATCH RFC 09/13] migration: Introduce pss_channel, Peter Xu, 2022/08/29
- Re: [PATCH RFC 00/13] migration: Postcopy Preempt-Full, Peter Xu, 2022/08/29