On Fri Mar 15 18:50:20 EDT 2013, cinap_len...@gmx.de wrote: > putting the TSTK above the user stack is what the alpha > and ppc kernels do. but just looking for a hole in exec > seems also good. also note that you dont need a whole > USTKSIZE window. only TSTKSIZ (or spage) window is fine > for the upper half of the temporary stack because thats > what exec accesses.
nix doesn't artificially limit the exec args to 4096*100 bytes as the /sys/src/9 kernel does, so in theory the exec args can mostly fill the stack. thanks for looking at the alpha kernel. that shows that in theory that approach works. - erik
