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| author | Juan Quintela <quintela@redhat.com> | 2023-05-11 16:12:06 +0200 |
|---|---|---|
| committer | Juan Quintela <quintela@redhat.com> | 2023-05-15 10:33:04 +0200 |
| commit | edd83a70dc448f9b7d0f636ff822d1284f8f95d1 (patch) | |
| tree | 0081b53649e5930563eecdc8b7e11331de032cc2 /migration | |
| parent | beeda9b7cde6d62cda4700dc4c28e1142690cae2 (diff) | |
| download | qemu-edd83a70dc448f9b7d0f636ff822d1284f8f95d1.zip qemu-edd83a70dc448f9b7d0f636ff822d1284f8f95d1.tar.gz qemu-edd83a70dc448f9b7d0f636ff822d1284f8f95d1.tar.bz2 | |
migration: Teach dirtyrate about qemu_target_page_size()
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230511141208.17779-4-quintela@redhat.com>
Diffstat (limited to 'migration')
| -rw-r--r-- | migration/dirtyrate.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/migration/dirtyrate.c b/migration/dirtyrate.c index ae52c42..9383e91 100644 --- a/migration/dirtyrate.c +++ b/migration/dirtyrate.c @@ -313,6 +313,7 @@ static void update_dirtyrate(uint64_t msec) */ static uint32_t compute_page_hash(void *ptr) { + size_t page_size = qemu_target_page_size(); uint32_t i; uint64_t v1, v2, v3, v4; uint64_t res; @@ -322,14 +323,14 @@ static uint32_t compute_page_hash(void *ptr) v2 = QEMU_XXHASH_SEED + XXH_PRIME64_2; v3 = QEMU_XXHASH_SEED + 0; v4 = QEMU_XXHASH_SEED - XXH_PRIME64_1; - for (i = 0; i < TARGET_PAGE_SIZE / 8; i += 4) { + for (i = 0; i < page_size / 8; i += 4) { v1 = XXH64_round(v1, p[i + 0]); v2 = XXH64_round(v2, p[i + 1]); v3 = XXH64_round(v3, p[i + 2]); v4 = XXH64_round(v4, p[i + 3]); } res = XXH64_mergerounds(v1, v2, v3, v4); - res += TARGET_PAGE_SIZE; + res += page_size; res = XXH64_avalanche(res); return (uint32_t)(res & UINT32_MAX); } @@ -344,7 +345,8 @@ static uint32_t get_ramblock_vfn_hash(struct RamblockDirtyInfo *info, { uint32_t hash; - hash = compute_page_hash(info->ramblock_addr + vfn * TARGET_PAGE_SIZE); + hash = compute_page_hash(info->ramblock_addr + + vfn * qemu_target_page_size()); trace_get_ramblock_vfn_hash(info->idstr, vfn, hash); return hash; |