| commit | 0ae3b13aab210e2a8c14371731abddfee228ae24 | [log] [tgz] |
|---|---|---|
| author | Ard Biesheuvel <ardb@kernel.org> | Tue Jul 21 10:33:15 2020 +0200 |
| committer | Catalin Marinas <catalin.marinas@arm.com> | Thu Jul 23 12:38:55 2020 +0100 |
| tree | 90d3bc707aaac7f04a85ee600144bb17e9ada371 | |
| parent | 493cf9b723bcc87e9284e5e5971259951a13f22e [diff] |
arm64/entry: deduplicate SW PAN entry/exit routines Factor the 12 copies of the SW PAN entry and exit code into callable subroutines, and use alternatives patching to either emit a 'bl' instruction to call them, or a NOP if h/w PAN is found to be available at runtime. Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Link: https://lore.kernel.org/r/20200721083315.4816-1-ardb@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>