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From: | Richard Henderson |
Subject: | Re: [Qemu-devel] [PATCH v2 40/45] osdep: introduce qemu_mprotect_rwx/none |
Date: | Mon, 17 Jul 2017 18:26:09 -1000 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 |
On 07/16/2017 10:04 AM, Emilio G. Cota wrote:
+static int qemu_mprotect__osdep(void *addr, size_t size, int prot) +{ + void *start = QEMU_ALIGN_PTR_DOWN(addr, qemu_real_host_page_size); + void *end = QEMU_ALIGN_PTR_UP(addr + size, qemu_real_host_page_size);
I'm not keen on this. Any good reason for it as opposed to asserting that the inputs are already page aligned?
r~
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