|
| From: | Richard Henderson |
| Subject: | Re: [Qemu-devel] [PATCH v5 4/7] exec: [tcg] Use different TBs according to the vCPU's dynamic tracing state |
| Date: | Wed, 28 Dec 2016 08:08:33 -0800 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 |
On 12/28/2016 06:08 AM, Lluís Vilanova wrote:
@@ -83,6 +85,13 @@ uint32_t tb_hash_func5(uint64_t a0, uint64_t b0, uint32_t e)
h32 += e * PRIME32_3;
h32 = rol32(h32, 17) * PRIME32_4;
+ if (sizeof(TRACE_QHT_VCPU_DSTATE_TYPE) == sizeof(uint32_t)) {
+ h32 += f * PRIME32_3;
+ h32 = rol32(h32, 17) * PRIME32_4;
+ } else {
+ abort();
+ }
+
QEMU_BUILD_BUG_ON. r~
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