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authorKhem Raj <raj.khem@gmail.com>2021-07-31 12:11:37 -0700
committerRichard Purdie <richard.purdie@linuxfoundation.org>2021-08-01 13:53:09 +0100
commit9150933dc524b6cedc42b063b7a2092e202f3672 (patch)
tree98e9303072760aa98a3d328efb9a13363ace1fd9 /meta
parent09725a29365c69ccbd603fe3a1de72189f26d5ac (diff)
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stress-ng: Detemine minimal stack size via sysconf
This helps it compile with glibc 2.34+ Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta')
-rw-r--r--meta/recipes-extended/stress-ng/stress-ng/0001-Detemine-minimal-stack-size-via-sysconf-then-PTHREAD.patch103
-rw-r--r--meta/recipes-extended/stress-ng/stress-ng_0.12.12.bb1
2 files changed, 104 insertions, 0 deletions
diff --git a/meta/recipes-extended/stress-ng/stress-ng/0001-Detemine-minimal-stack-size-via-sysconf-then-PTHREAD.patch b/meta/recipes-extended/stress-ng/stress-ng/0001-Detemine-minimal-stack-size-via-sysconf-then-PTHREAD.patch
new file mode 100644
index 0000000000..d275e3d7f9
--- /dev/null
+++ b/meta/recipes-extended/stress-ng/stress-ng/0001-Detemine-minimal-stack-size-via-sysconf-then-PTHREAD.patch
@@ -0,0 +1,103 @@
+From f839de283c44ffe46a2d14bfdf854c145abd8ed6 Mon Sep 17 00:00:00 2001
+From: Colin Ian King <colin.king@canonical.com>
+Date: Mon, 19 Jul 2021 20:49:34 +0100
+Subject: [PATCH] Detemine minimal stack size via sysconf, then PTHREAD_STACK_MIN then guess
+
+Don't rely on PTHREAD_STACK_MIN being defined, use sysconf, then
+PTHREAD_STACK_MIN if it is defined, then 8K default.
+
+Upstream-Status: Backport [https://kernel.ubuntu.com/git/cking/stress-ng.git/commit/?id=f839de283c44ffe46a2d14bfdf854c145abd8ed6]
+Signed-off-by: Colin Ian King <colin.king@canonical.com>
+---
+ core-helper.c | 31 +++++++++++++++++++++++++++++++
+ stress-ng.h | 1 +
+ stress-pthread.c | 13 ++-----------
+ 3 files changed, 34 insertions(+), 11 deletions(-)
+
+diff --git a/core-helper.c b/core-helper.c
+index 508627f2..97a3b869 100644
+--- a/core-helper.c
++++ b/core-helper.c
+@@ -2494,6 +2494,37 @@ size_t stress_min_sig_stack_size(void)
+ return (size_t)sz;
+ }
+
++size_t stress_min_pthread_stack_size(void)
++{
++ static long sz = -1, min;
++
++ /* return cached copy */
++ if (sz > 0)
++ return sz;
++
++ min = stress_min_aux_sig_stack_size();
++#if defined(__SC_THREAD_STACK_MIN_VALUE)
++ sz = sysconf(__SC_THREAD_STACK_MIN_VALUE);
++ if (sz > min)
++ min = sz;
++#endif
++#if defined(_SC_THREAD_STACK_MIN_VALUE)
++ sz = sysconf(_SC_THREAD_STACK_MIN_VALUE);
++ if (sz > min)
++ min = sz;
++#endif
++#if defined(PTHREAD_STACK_MIN)
++ if (PTHREAD_STACK_MIN > min)
++ min = PTHREAD_STACK_MIN;
++#endif
++ if (8192 > min)
++ min = 8192;
++
++ sz = min;
++
++ return (size_t)sz;
++}
++
+ /*
+ * stress_sig_handler_exit()
+ * signal handler that exits a process via _exit(0) for
+diff --git a/stress-ng.h b/stress-ng.h
+index 8a8b17ae..cd744756 100644
+--- a/stress-ng.h
++++ b/stress-ng.h
+@@ -4056,6 +4056,7 @@ extern WARN_UNUSED int32_t stress_get_opt_ionice_class(const char *const str);
+ /* Misc helper funcs */
+ extern WARN_UNUSED size_t stress_sig_stack_size(void);
+ extern WARN_UNUSED size_t stress_min_sig_stack_size(void);
++extern WARN_UNUSED size_t stress_min_pthread_stack_size(void);
+
+ #define STRESS_SIGSTKSZ (stress_sig_stack_size())
+ #define STRESS_MINSIGSTKSZ (stress_min_sig_stack_size())
+diff --git a/stress-pthread.c b/stress-pthread.c
+index 0da3aeec..27777af8 100644
+--- a/stress-pthread.c
++++ b/stress-pthread.c
+@@ -69,12 +69,7 @@ static const stress_opt_set_func_t opt_set_funcs[] = {
+
+ #if defined(HAVE_LIB_PTHREAD)
+
+-/* Some systems such as GNU/HURD don't define PTHREAD_STACK_MIN */
+-#if !defined(PTHREAD_STACK_MIN)
+-#define PTHREAD_STACK_MIN (16 * KB)
+-#endif
+-
+-#define DEFAULT_STACK_MIN (16 * KB)
++#define DEFAULT_STACK_MIN (8 * KB)
+
+ #if defined(HAVE_GET_ROBUST_LIST) && \
+ defined(HAVE_LINUX_FUTEX_H)
+@@ -404,11 +399,7 @@ static int stress_pthread(const stress_args_t *args)
+ stress_pthread_args_t pargs = { args, NULL, 0 };
+ sigset_t set;
+ #if defined(HAVE_PTHREAD_ATTR_SETSTACK)
+-#if DEFAULT_STACK_MIN == PTHREAD_STACK_MIN
+- const size_t stack_size = PTHREAD_STACK_MIN;
+-#else
+- const size_t stack_size = STRESS_MAXIMUM(DEFAULT_STACK_MIN, PTHREAD_STACK_MIN);
+-#endif
++ const size_t stack_size = STRESS_MAXIMUM(DEFAULT_STACK_MIN, stress_min_pthread_stack_size());
+ #endif
+
+ keep_running_flag = true;
+--
+2.32.0
diff --git a/meta/recipes-extended/stress-ng/stress-ng_0.12.12.bb b/meta/recipes-extended/stress-ng/stress-ng_0.12.12.bb
index 32c2d2b6a7..afc9ddf96c 100644
--- a/meta/recipes-extended/stress-ng/stress-ng_0.12.12.bb
+++ b/meta/recipes-extended/stress-ng/stress-ng_0.12.12.bb
@@ -7,6 +7,7 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=b234ee4d69f5fce4486a80fdaf4a4263"
SRC_URI = "https://kernel.ubuntu.com/~cking/tarballs/${BPN}/${BP}.tar.xz \
file://0001-Do-not-preserve-ownership-when-installing-example-jo.patch \
+ file://0001-Detemine-minimal-stack-size-via-sysconf-then-PTHREAD.patch \
"
SRC_URI[sha256sum] = "f27af50f6f2308e707fef927674bdd209a046b116734281b792aeca35a4e4499"