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6392b4ebdc
arch/x86/tests/regs_load.S is missing the linker note about the stack
requirements, therefore making the linker fall back to an executable
stack. As this object gets linked against the final perf binary, it'll
needlessly end up with an executable stack. Fix this by adding the
appropriate linker note.
Also add a global linker flag to prevent future regressions, as
suggested by Jiri. This way perf won't get an executable stack even if
we fail to add the .GNU-stack linker note to future assembler files.
Though, doing so might create regressions the other way around, when
(statically) linking against libraries needing an executable stack.
But, apparently, regressing in that direction is wanted as it is an
indicator of poor code quality -- or just missing linker notes.
Fixes:
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| .. | ||
| cgroup | ||
| firewire | ||
| hv | ||
| include | ||
| lguest | ||
| lib | ||
| net | ||
| nfsd | ||
| perf | ||
| power | ||
| scripts | ||
| testing | ||
| thermal/tmon | ||
| usb | ||
| virtio | ||
| vm | ||
| Makefile | ||