[PATCH v2 08/18] arm64: don't disable ADR_PREL_PG_HI21* with ARM64_ERRATUM_843419

Sami Tolvanen
2017-11-15T21:34:56Z

CONFIG_LTO_CLANG depends on GNU gold, which can generate ADR_PREL_PG_HI21*
relocations even with --fix-cortex-a53-843419.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
---
arch/arm64/kernel/module.c | 2 --
1 file changed, 2 deletions(-)

diff --git a/arch/arm64/kernel/module.c b/arch/arm64/kernel/module.c
index f469e0435903..fec9a578f122 100644
--- a/arch/arm64/kernel/module.c
+++ b/arch/arm64/kernel/module.c
@@ -336,14 +336,12 @@ int apply_relocate_add(Elf64_Shdr *sechdrs,
ovf = reloc_insn_imm(RELOC_OP_PREL, loc, val, 0, 21,
AARCH64_INSN_IMM_ADR);
break;
-#ifndef CONFIG_ARM64_ERRATUM_843419
case R_AARCH64_ADR_PREL_PG_HI21_NC:
overflow_check = false;
case R_AARCH64_ADR_PREL_PG_HI21:
ovf = reloc_insn_imm(RELOC_OP_PAGE, loc, val, 12, 21,
AARCH64_INSN_IMM_ADR);
break;
-#endif
case R_AARCH64_ADD_ABS_LO12_NC:
case R_AARCH64_LDST8_ABS_LO12_NC:
overflow_check = false;
--
2.15.0.448.gf294e3d99a-goog