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Re: [Qemu-devel] [PATCH V2 1/6] oslib-posix: add helpers for stack alloc


From: Richard Henderson
Subject: Re: [Qemu-devel] [PATCH V2 1/6] oslib-posix: add helpers for stack alloc and free
Date: Fri, 8 Jul 2016 10:18:15 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1

On 07/04/2016 05:31 AM, Peter Lieven wrote:
+void *qemu_alloc_stack(size_t sz)
+{
+    void *ptr, *guardpage;
+    size_t pagesz = getpagesize();
+
+    /* avoid stacks smaller than _SC_THREAD_STACK_MIN */
+    sz = MAX(sz, sysconf(_SC_THREAD_STACK_MIN));
...
+void qemu_free_stack(void *stack, size_t sz)
+{
+    sz = MAX(sz, sysconf(_SC_THREAD_STACK_MIN));

I think the MAX+sysconf expression should be hoisted to a common (static) function. With that,

Reviewed-by: Richard Henderson <address@hidden>


r~




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