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authorPatrick J Volkerding <volkerdi@slackware.com>2018-05-28 19:12:29 +0000
committerEric Hameleers <alien@slackware.com>2018-05-31 23:39:35 +0200
commit646a5c1cbfd95873950a87b5f75d52073a967023 (patch)
treeb8b8d2ab3b0d432ea69ad1a64d1c789649d65020 /source/l/gc/noelision.patch
parentd31c50870d0bee042ce660e445c9294a59a3a65b (diff)
downloadcurrent-646a5c1cbfd95873950a87b5f75d52073a967023.tar.gz
Mon May 28 19:12:29 UTC 201820180528191229
a/pkgtools-15.0-noarch-13.txz: Rebuilt. installpkg: default line length for --terselength is the number of columns. removepkg: added --terse mode. upgradepkg: default line length for --terselength is the number of columns. upgradepkg: accept -option in addition to --option. ap/vim-8.1.0026-x86_64-1.txz: Upgraded. d/bison-3.0.5-x86_64-1.txz: Upgraded. e/emacs-26.1-x86_64-1.txz: Upgraded. kde/kopete-4.14.3-x86_64-8.txz: Rebuilt. Recompiled against libidn-1.35. n/conntrack-tools-1.4.5-x86_64-1.txz: Upgraded. n/libnetfilter_conntrack-1.0.7-x86_64-1.txz: Upgraded. n/libnftnl-1.1.0-x86_64-1.txz: Upgraded. n/links-2.16-x86_64-2.txz: Rebuilt. Rebuilt to enable X driver for -g mode. n/lynx-2.8.9dev.19-x86_64-1.txz: Upgraded. n/nftables-0.8.5-x86_64-1.txz: Upgraded. n/p11-kit-0.23.11-x86_64-1.txz: Upgraded. n/ulogd-2.0.7-x86_64-1.txz: Upgraded. n/whois-5.3.1-x86_64-1.txz: Upgraded. xap/network-manager-applet-1.8.12-x86_64-1.txz: Upgraded. xap/vim-gvim-8.1.0026-x86_64-1.txz: Upgraded.
Diffstat (limited to 'source/l/gc/noelision.patch')
-rw-r--r--source/l/gc/noelision.patch127
1 files changed, 0 insertions, 127 deletions
diff --git a/source/l/gc/noelision.patch b/source/l/gc/noelision.patch
deleted file mode 100644
index 0e1515ea..00000000
--- a/source/l/gc/noelision.patch
+++ /dev/null
@@ -1,127 +0,0 @@
-diff --git c/include/private/gc_priv.h w/include/private/gc_priv.h
-index 0ad92fc..b877fac 100644
---- c/include/private/gc_priv.h
-+++ w/include/private/gc_priv.h
-@@ -2368,6 +2368,7 @@ GC_INNER ptr_t GC_store_debug_info(ptr_t p, word sz, const char *str,
- /* GC_notify_all_builder() is called when GC_fl_builder_count */
- /* reaches 0. */
-
-+ GC_INNER void GC_setup_mark_lock(void);
- GC_INNER void GC_acquire_mark_lock(void);
- GC_INNER void GC_release_mark_lock(void);
- GC_INNER void GC_notify_all_builder(void);
-diff --git c/include/private/gcconfig.h w/include/private/gcconfig.h
-index c753cc2..b5ed075 100644
---- c/include/private/gcconfig.h
-+++ w/include/private/gcconfig.h
-@@ -1357,6 +1357,11 @@
- # define PREFETCH_FOR_WRITE(x) \
- __asm__ __volatile__ ("prefetchw %0" : : "m"(*(char *)(x)))
- # endif
-+# if defined(__GLIBC__)
-+ /* Workaround lock elision implementation for some glibc. */
-+# define GLIBC_2_19_TSX_BUG
-+# include <gnu/libc-version.h> /* for gnu_get_libc_version() */
-+# endif
- # endif
- # ifdef CYGWIN32
- # define OS_TYPE "CYGWIN32"
-@@ -2257,6 +2262,11 @@
- /* FIXME: This seems to be fixed in GLibc v2.14. */
- # define GETCONTEXT_FPU_EXCMASK_BUG
- # endif
-+# if defined(__GLIBC__)
-+ /* Workaround lock elision implementation for some glibc. */
-+# define GLIBC_2_19_TSX_BUG
-+# include <gnu/libc-version.h> /* for gnu_get_libc_version() */
-+# endif
- # endif
- # ifdef DARWIN
- # define OS_TYPE "DARWIN"
-diff --git c/include/private/pthread_support.h w/include/private/pthread_support.h
-index 525a9aa..017f194 100644
---- c/include/private/pthread_support.h
-+++ w/include/private/pthread_support.h
-@@ -148,6 +148,8 @@ GC_INNER_PTHRSTART GC_thread GC_start_rtn_prepare_thread(
- struct GC_stack_base *sb, void *arg);
- GC_INNER_PTHRSTART void GC_thread_exit_proc(void *);
-
-+GC_INNER void GC_setup_mark_lock(void);
-+
- #endif /* GC_PTHREADS && !GC_WIN32_THREADS */
-
- #endif /* GC_PTHREAD_SUPPORT_H */
-diff --git c/misc.c w/misc.c
-index df434a1..3aca41d 100644
---- c/misc.c
-+++ w/misc.c
-@@ -875,6 +875,9 @@ GC_API void GC_CALL GC_init(void)
- /* else */ InitializeCriticalSection (&GC_allocate_ml);
- }
- # endif /* GC_WIN32_THREADS */
-+# if defined(GC_PTHREADS) && !defined(GC_WIN32_THREADS)
-+ GC_setup_mark_lock();
-+# endif /* GC_PTHREADS */
- # if (defined(MSWIN32) || defined(MSWINCE)) && defined(THREADS)
- InitializeCriticalSection(&GC_write_cs);
- # endif
-diff --git c/pthread_support.c w/pthread_support.c
-index c00b93d..8a7c50b 100644
---- c/pthread_support.c
-+++ w/pthread_support.c
-@@ -1979,6 +1979,55 @@ GC_INNER void GC_lock(void)
-
- static pthread_cond_t builder_cv = PTHREAD_COND_INITIALIZER;
-
-+#ifdef GLIBC_2_19_TSX_BUG
-+ /* Parse string like <major>[.<minor>[<tail>]] and return major value. */
-+ static int parse_version(int *pminor, const char *pverstr) {
-+ char *endp;
-+ unsigned long value = strtoul(pverstr, &endp, 10);
-+ int major = (int)value;
-+
-+ if (major < 0 || (char *)pverstr == endp || (unsigned)major != value) {
-+ /* Parse error */
-+ return -1;
-+ }
-+ if (*endp != '.') {
-+ /* No minor part. */
-+ *pminor = -1;
-+ } else {
-+ value = strtoul(endp + 1, &endp, 10);
-+ *pminor = (int)value;
-+ if (*pminor < 0 || (unsigned)(*pminor) != value) {
-+ return -1;
-+ }
-+ }
-+ return major;
-+ }
-+#endif /* GLIBC_2_19_TSX_BUG */
-+
-+GC_INNER void GC_setup_mark_lock(void)
-+{
-+# ifdef GLIBC_2_19_TSX_BUG
-+ pthread_mutexattr_t mattr;
-+ int glibc_minor = -1;
-+ int glibc_major = parse_version(&glibc_minor, gnu_get_libc_version());
-+
-+ if (glibc_major > 2 || (glibc_major == 2 && glibc_minor >= 19)) {
-+ /* TODO: disable this workaround for glibc with fixed TSX */
-+ /* This disables lock elision to workaround a bug in glibc 2.19+ */
-+ if (0 != pthread_mutexattr_init(&mattr)) {
-+ ABORT("pthread_mutexattr_init failed");
-+ }
-+ if (0 != pthread_mutexattr_settype(&mattr, PTHREAD_MUTEX_NORMAL)) {
-+ ABORT("pthread_mutexattr_settype failed");
-+ }
-+ if (0 != pthread_mutex_init(&mark_mutex, &mattr)) {
-+ ABORT("pthread_mutex_init failed");
-+ }
-+ pthread_mutexattr_destroy(&mattr);
-+ }
-+# endif
-+}
-+
- GC_INNER void GC_acquire_mark_lock(void)
- {
- GC_ASSERT(GC_mark_lock_holder != NUMERIC_THREAD_ID(pthread_self()));