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Re: [PATCH 1/1] Add Zihintpause support

From: Richard Henderson
Subject: Re: [PATCH 1/1] Add Zihintpause support
Date: Tue, 10 May 2022 08:43:29 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.8.0

On 5/9/22 23:42, Dao Lu wrote:
+static bool trans_pause(DisasContext *ctx, arg_pause *a)
+    /*
+     * PAUSE is a no-op in QEMU,
+     * however we need to clear the reservation
+     */
+    tcg_gen_movi_tl(load_res, -1);

I recommend ending the TB and returning to the main loop. When running in round-robin mode, this will yield to the next cpu.


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