On 19/05/2019 22:19, Richard Henderson wrote:
This can avoid stack allocation failures for i386 guest
on ppc64 (64k page) host.

Suggested-by: Laurent Vivier <laur...@vivier.eu>
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
  linux-user/mmap.c | 2 ++
  1 file changed, 2 insertions(+)

diff --git a/linux-user/mmap.c b/linux-user/mmap.c
index 10796b37ac..af41339d57 100644
--- a/linux-user/mmap.c
+++ b/linux-user/mmap.c
@@ -262,6 +262,8 @@ abi_ulong mmap_find_vma(abi_ulong start, abi_ulong size, 
abi_ulong align)
      abi_ulong addr;
      int wrapped, repeat;
+ align = MAX(align, qemu_host_page_size);
+
      /* If 'start' == 0, then a default start address is used. */
      if (start == 0) {
          start = mmap_next_start;


Applied to my linux-user branch.

Thanks,
Laurent

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