From 66bf2005fe92b5816b65ad336ea0a6a4438b8878 Mon Sep 17 00:00:00 2001
From: bbracker <bbracker@hmc.edu>
Date: Fri, 16 Jul 2021 00:10:31 -0400
Subject: [PATCH] incremental linux config de-bloating

---
 .../buildroot-config-src/linux.config         | 42 ++++---------------
 1 file changed, 9 insertions(+), 33 deletions(-)

diff --git a/wally-pipelined/linux-testgen/buildroot-config-src/linux.config b/wally-pipelined/linux-testgen/buildroot-config-src/linux.config
index 466a7c4d..8a241e78 100644
--- a/wally-pipelined/linux-testgen/buildroot-config-src/linux.config
+++ b/wally-pipelined/linux-testgen/buildroot-config-src/linux.config
@@ -84,8 +84,6 @@ CONFIG_TREE_RCU=y
 # CONFIG_RCU_EXPERT is not set
 CONFIG_SRCU=y
 CONFIG_TREE_SRCU=y
-CONFIG_TASKS_RCU_GENERIC=y
-CONFIG_TASKS_TRACE_RCU=y
 CONFIG_RCU_STALL_COMMON=y
 CONFIG_RCU_NEED_SEGCBLIST=y
 # end of RCU Subsystem
@@ -106,12 +104,8 @@ CONFIG_GENERIC_SCHED_CLOCK=y
 CONFIG_CC_HAS_INT128=y
 CONFIG_ARCH_SUPPORTS_INT128=y
 # CONFIG_CGROUPS is not set
-CONFIG_NAMESPACES=y
-CONFIG_UTS_NS=y
-CONFIG_IPC_NS=y
-CONFIG_USER_NS=y
-CONFIG_PID_NS=y
-CONFIG_CHECKPOINT_RESTORE=y
+# CONFIG_NAMESPACES is not set
+# CONFIG_CHECKPOINT_RESTORE is not set
 # CONFIG_SCHED_AUTOGROUP is not set
 # CONFIG_SYSFS_DEPRECATED is not set
 # CONFIG_RELAY is not set
@@ -120,26 +114,19 @@ CONFIG_INITRAMFS_SOURCE="${BR_BINARIES_DIR}/rootfs.cpio"
 CONFIG_INITRAMFS_ROOT_UID=0
 CONFIG_INITRAMFS_ROOT_GID=0
 CONFIG_RD_GZIP=y
-CONFIG_RD_BZIP2=y
-CONFIG_RD_LZMA=y
-CONFIG_RD_XZ=y
-CONFIG_RD_LZO=y
-CONFIG_RD_LZ4=y
-CONFIG_RD_ZSTD=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
+# CONFIG_RD_XZ is not set
+# CONFIG_RD_LZO is not set
+# CONFIG_RD_LZ4 is not set
+# CONFIG_RD_ZSTD is not set
 CONFIG_INITRAMFS_COMPRESSION_GZIP=y
-# CONFIG_INITRAMFS_COMPRESSION_BZIP2 is not set
-# CONFIG_INITRAMFS_COMPRESSION_LZMA is not set
-# CONFIG_INITRAMFS_COMPRESSION_XZ is not set
-# CONFIG_INITRAMFS_COMPRESSION_LZO is not set
-# CONFIG_INITRAMFS_COMPRESSION_LZ4 is not set
-# CONFIG_INITRAMFS_COMPRESSION_ZSTD is not set
 # CONFIG_INITRAMFS_COMPRESSION_NONE is not set
 # CONFIG_BOOT_CONFIG is not set
 CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SYSCTL=y
 CONFIG_SYSCTL_EXCEPTION_TRACE=y
-CONFIG_BPF=y
 CONFIG_EXPERT=y
 CONFIG_MULTIUSER=y
 # CONFIG_SGETMASK_SYSCALL is not set
@@ -165,8 +152,7 @@ CONFIG_MEMBARRIER=y
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 CONFIG_KALLSYMS_BASE_RELATIVE=y
-CONFIG_BPF_SYSCALL=y
-# CONFIG_BPF_PRELOAD is not set
+# CONFIG_BPF_SYSCALL is not set
 # CONFIG_USERFAULTFD is not set
 # CONFIG_EMBEDDED is not set
 CONFIG_HAVE_PERF_EVENTS=y
@@ -1643,12 +1629,8 @@ CONFIG_CRC32_SLICEBY8=y
 CONFIG_CRC7=y
 # CONFIG_LIBCRC32C is not set
 # CONFIG_CRC8 is not set
-CONFIG_XXHASH=y
 # CONFIG_RANDOM32_SELFTEST is not set
 CONFIG_ZLIB_INFLATE=y
-CONFIG_LZO_DECOMPRESS=y
-CONFIG_LZ4_DECOMPRESS=y
-CONFIG_ZSTD_DECOMPRESS=y
 CONFIG_XZ_DEC=y
 CONFIG_XZ_DEC_X86=y
 CONFIG_XZ_DEC_POWERPC=y
@@ -1659,12 +1641,6 @@ CONFIG_XZ_DEC_SPARC=y
 CONFIG_XZ_DEC_BCJ=y
 # CONFIG_XZ_DEC_TEST is not set
 CONFIG_DECOMPRESS_GZIP=y
-CONFIG_DECOMPRESS_BZIP2=y
-CONFIG_DECOMPRESS_LZMA=y
-CONFIG_DECOMPRESS_XZ=y
-CONFIG_DECOMPRESS_LZO=y
-CONFIG_DECOMPRESS_LZ4=y
-CONFIG_DECOMPRESS_ZSTD=y
 CONFIG_ASSOCIATIVE_ARRAY=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT_MAP=y