From 3caf633dbde8a347cff49e960691c7fa6a82afa1 Mon Sep 17 00:00:00 2001 From: Liang Li Date: Mon, 23 Mar 2015 16:32:21 +0800 Subject: [PATCH] arch_init: Add and free data struct for decompression Define the data structure and variables used to do multiple thread decompression, and add the code to initialize and free them. Signed-off-by: Liang Li Signed-off-by: Yang Zhang Reviewed-by: Dr.David Alan Gilbert Reviewed-by: Juan Quintela Signed-off-by: Juan Quintela --- arch_init.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/arch_init.c b/arch_init.c index 87dccef5e9..ebd246f3a3 100644 --- a/arch_init.c +++ b/arch_init.c @@ -330,7 +330,12 @@ struct CompressParam { typedef struct CompressParam CompressParam; struct DecompressParam { - /* To be done */ + bool start; + QemuMutex mutex; + QemuCond cond; + void *des; + uint8 *compbuf; + int len; }; typedef struct DecompressParam DecompressParam; @@ -1266,6 +1271,9 @@ void migrate_decompress_threads_create(void) compressed_data_buf = g_malloc0(compressBound(TARGET_PAGE_SIZE)); quit_decomp_thread = false; for (i = 0; i < thread_count; i++) { + qemu_mutex_init(&decomp_param[i].mutex); + qemu_cond_init(&decomp_param[i].cond); + decomp_param[i].compbuf = g_malloc0(compressBound(TARGET_PAGE_SIZE)); qemu_thread_create(decompress_threads + i, "decompress", do_data_decompress, decomp_param + i, QEMU_THREAD_JOINABLE); @@ -1280,6 +1288,9 @@ void migrate_decompress_threads_join(void) thread_count = migrate_decompress_threads(); for (i = 0; i < thread_count; i++) { qemu_thread_join(decompress_threads + i); + qemu_mutex_destroy(&decomp_param[i].mutex); + qemu_cond_destroy(&decomp_param[i].cond); + g_free(decomp_param[i].compbuf); } g_free(decompress_threads); g_free(decomp_param);