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In order to fix an ABI problem, we recently changed the way that a clone() syscall manipulates TPIDR2 and PSTATE.ZA. Historically the child would inherit the parent's TPIDR2 value unless CLONE_SETTLS was set, and now the child will inherit the parent's TPIDR2 value unless CLONE_VM is set. Update the tpidr2 test for the new behaviour. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Daniel Kiss <daniel.kiss@arm.com> Cc: Marc Zyngier <maz@kernel.org> Cc: Mark Brown <broonie@kernel.org> Cc: Richard Sandiford <richard.sandiford@arm.com> Cc: Sander De Smalen <sander.desmalen@arm.com> Cc: Tamas Petz <tamas.petz@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Yury Khrustalev <yury.khrustalev@arm.com> Link: https://lore.kernel.org/r/20250508132644.1395904-23-mark.rutland@arm.com Signed-off-by: Will Deacon <will@kernel.org> |
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