[GitHub] [incubator-nuttx] no1wudi commented on a change in pull request #5913: arch/risc-v: Move group_addrenv to correct place

[GitBox <gi...@apache.org>]

no1wudi commented on a change in pull request #5913:
URL: https://github.com/apache/incubator-nuttx/pull/5913#discussion_r838388751



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File path: arch/risc-v/src/common/riscv_swint.c
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@@ -248,9 +264,21 @@ int riscv_swint(int irq, void *context, void *arg)
         {
           DEBUGASSERT(regs[REG_A1] != 0 && regs[REG_A2] != 0);
           riscv_savefpu(regs);
-          riscv_restorefpu((uintptr_t *)regs[REG_A2]);
           *(uintptr_t **)regs[REG_A1] = (uintptr_t *)regs;
           CURRENT_REGS = (uintptr_t *)regs[REG_A2];
+#ifdef CONFIG_ARCH_ADDRENV
+
+          tcb = this_task();
+
+          /* Make sure that the address environment for the previously
+           * running task is closed down gracefully (data caches dump,
+           * MMU flushed) and set up the address environment for the
+           * new thread at the head of the ready-to-run list.
+           */
+
+          group_addrenv(tcb);

Review comment:
       Yes IRQ stack is in use currently, but @anchao reported similar patch can't fix all issues on arm , does this PR works on RISC-V ?




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