Signed-off-by: Khem Raj <raj.k...@gmail.com> --- ...-__clear_cache-declaration-for-clang.patch | 32 +++++++++++++++++++ meta/recipes-extended/ltp/ltp_20240524.bb | 2 ++ 2 files changed, 34 insertions(+) create mode 100644 meta/recipes-extended/ltp/ltp/0001-Add-__clear_cache-declaration-for-clang.patch
diff --git a/meta/recipes-extended/ltp/ltp/0001-Add-__clear_cache-declaration-for-clang.patch b/meta/recipes-extended/ltp/ltp/0001-Add-__clear_cache-declaration-for-clang.patch new file mode 100644 index 00000000000..ade6a52b63f --- /dev/null +++ b/meta/recipes-extended/ltp/ltp/0001-Add-__clear_cache-declaration-for-clang.patch @@ -0,0 +1,32 @@ +From 2d384f268791ecd5ff0f26c8137dd4de0a1c4566 Mon Sep 17 00:00:00 2001 +From: Khem Raj <raj.k...@gmail.com> +Date: Mon, 10 Jun 2024 22:52:56 -0700 +Subject: [PATCH] Add __clear_cache declaration for clang + +__clear_cache was enabled on RISCV recently with 7352ba02390116f1cd6a9b583860ba28aa0a1b7a +however it fails to compile with clang19 on RISCV +With this error + + hugemmap15.c:51:2: error: call to undeclared function '__clear_cache'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] + 51 | __clear_cache(p, p + COPY_SIZE); + | ^ + +Upstream-Status: Submitted [https://lists.linux.it/pipermail/ltp/2024-June/038762.html] +Signed-off-by: Khem Raj <raj.k...@gmail.com> +Cc: Hui Min Mina Chou <minac...@andestech.com> +--- + testcases/kernel/mem/hugetlb/hugemmap/hugemmap15.c | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/testcases/kernel/mem/hugetlb/hugemmap/hugemmap15.c b/testcases/kernel/mem/hugetlb/hugemmap/hugemmap15.c +index a84ba6476..856e22ff3 100644 +--- a/testcases/kernel/mem/hugetlb/hugemmap/hugemmap15.c ++++ b/testcases/kernel/mem/hugetlb/hugemmap/hugemmap15.c +@@ -21,6 +21,7 @@ + + #if defined(__clang__) + #pragma clang optimize off ++ void __clear_cache(void *start, void *end); + #endif + + #define _GNU_SOURCE diff --git a/meta/recipes-extended/ltp/ltp_20240524.bb b/meta/recipes-extended/ltp/ltp_20240524.bb index 1aafed0bf59..41d86b736ab 100644 --- a/meta/recipes-extended/ltp/ltp_20240524.bb +++ b/meta/recipes-extended/ltp/ltp_20240524.bb @@ -14,6 +14,7 @@ DEPENDS:append:libc-musl = " fts " EXTRA_OEMAKE:append:libc-musl = " LIBC=musl " EXTRA_OECONF:append:libc-musl = " LIBS=-lfts " +LDFLAGS:append:riscv64:toolchain-clang = " -rtlib=compiler-rt" # since ltp contains x86-64 assembler which uses the frame-pointer register, # set -fomit-frame-pointer x86-64 to handle cases where optimisation # is set to -O0 or frame pointers have been enabled by -fno-omit-frame-pointer @@ -28,6 +29,7 @@ SRCREV = "8f21ebba42216dbb7e8d44c23b4a977d6823f7a1" SRC_URI = "git://github.com/linux-test-project/ltp.git;branch=master;protocol=https \ file://0001-Remove-OOM-tests-from-runtest-mm.patch \ + file://0001-Add-__clear_cache-declaration-for-clang.patch \ " S = "${WORKDIR}/git"
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