This patch series includes the following: 1. Adding compiler options to not use XMM registers in the purgatory code. 2. Reuse the implementation of memcpy and memset instead of relying on __builtin_memcpy and __builtin_memset as it causes infinite recursion in clang. Nick Desaulniers (1): x86/purgatory: do not use __builtin_memcpy and __builtin_memset. Vaibhav Rustagi (1): x86/purgatory: add -mno-sse, -mno-mmx, -mno-sse2 to Makefile arch/x86/purgatory/Makefile | 4 ++++ arch/x86/purgatory/purgatory.c | 6 ++++++ arch/x86/purgatory/string.c | 23 ----------------------- 3 files changed, 10 insertions(+), 23 deletions(-) delete mode 100644 arch/x86/purgatory/string.c -- 2.22.0.510.g264f2c817a-goog