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Revert "daemon: Ensure proper alignment on the stack."

This reverts commit ab4ccc8fcf.
python-updates
Mark H Weaver 5 years ago
parent
commit
7656739771
No known key found for this signature in database GPG Key ID: 7CEF29847562C516
  1. 7
      nix/libstore/build.cc

7
nix/libstore/build.cc

@ -26,7 +26,6 @@
#include <errno.h>
#include <stdio.h>
#include <cstring>
#include <stdint.h>
#include <pwd.h>
#include <grp.h>
@ -2009,11 +2008,7 @@ void DerivationGoal::startBuilder()
char stack[32 * 1024];
int flags = CLONE_NEWPID | CLONE_NEWNS | CLONE_NEWIPC | CLONE_NEWUTS | SIGCHLD;
if (!fixedOutput) flags |= CLONE_NEWNET;
/* Ensure proper alignment on the stack. On aarch64, it has to be 16
bytes. */
pid = clone(childEntry, (char *)(((uintptr_t)stack + 16) & ~0xf),
flags, this);
pid = clone(childEntry, stack + sizeof(stack) - 8, flags, this);
if (pid == -1)
throw SysError("cloning builder process");
} else

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