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[PULL 05/67] target/ppc: Fix mtDPDES targeting SMT siblings


From: Nicholas Piggin
Subject: [PULL 05/67] target/ppc: Fix mtDPDES targeting SMT siblings
Date: Mon, 4 Nov 2024 10:17:54 +1000

A typo in the loop over SMT threads to set irq level for doorbells
when storing to DPDES meant everything was aimed at the CPU executing
the instruction.

Cc: qemu-stable@nongnu.org
Fixes: d24e80b2ae ("target/ppc: Add msgsnd/p and DPDES SMT support")
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
 target/ppc/misc_helper.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/ppc/misc_helper.c b/target/ppc/misc_helper.c
index 1b83971375..f0ca80153b 100644
--- a/target/ppc/misc_helper.c
+++ b/target/ppc/misc_helper.c
@@ -288,7 +288,7 @@ void helper_store_dpdes(CPUPPCState *env, target_ulong val)
         PowerPCCPU *ccpu = POWERPC_CPU(ccs);
         uint32_t thread_id = ppc_cpu_tir(ccpu);
 
-        ppc_set_irq(cpu, PPC_INTERRUPT_DOORBELL, val & (0x1 << thread_id));
+        ppc_set_irq(ccpu, PPC_INTERRUPT_DOORBELL, val & (0x1 << thread_id));
     }
     bql_unlock();
 }
-- 
2.45.2




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