open_issues/glibc: Update.

1 files changed, 65 insertions, 17 deletions

diff --git a/open_issues/glibc.mdwn b/open_issues/glibc.mdwn
index d8e16cdf..be262261 100644
--- a/open_issues/glibc.mdwn
+++ b/open_issues/glibc.mdwn
@@ -27,8 +27,8 @@ Here's what's to be done for maintaining glibc.
 
 # Configuration
 
-Last reviewed up to the [[Git mirror's 16292eddd77f66002e2104848e75a0fb4d316692
-(2011-08-04) sources|source_repositories/glibc]].
+Last reviewed up to the [[Git mirror's 187da0aedcd9d0a2fb34477bef41549681ba1273
+(2011-10-08) sources|source_repositories/glibc]].
 
   * t/dup3
 
@@ -45,6 +45,14 @@ Last reviewed up to the [[Git mirror's 16292eddd77f66002e2104848e75a0fb4d316692
     Have to revert 53b56b1101fc9bb4f295f23f54e7e19f8da8da16 to keep it working
     with GCC 4.4.  Figure out what's going on.  Also see [[glibc_init_first]].
 
+    There is a `RETURN_ADDRESS` macro in glibc.
+
+  * `t/kernel-features.h_includes`
+
+    Before running `tg update`, review for additional changes:
+
+        $ git log --reverse --pretty=fuller --stat=$COLUMNS,$COLUMNS -p -C --cc -S__ASSUME_ top-bases/t/kernel-features.h_includes..baseline
+
   * t/tls
 
       * Discuss d2431f633e6139a62e1575ec18830f7e81160cf0 with Samuel.
@@ -163,10 +171,27 @@ Last reviewed up to the [[Git mirror's 16292eddd77f66002e2104848e75a0fb4d316692
 
         Do we support `AT_FDCWD` et al.?
 
-      * `MAP_POPULATE` (`mmap`, `sys/mman.h`)
+      * `MAP_POPULATE` (`mmap`, `sys/mman.h`) -- *Populate (prefault)
+        pagetables.*
+
+        Some Linux kernel version, `mm/mmap.c`:
+
+                if (vm_flags & VM_LOCKED) {
+                        if (!mlock_vma_pages_range(vma, addr, addr + len))
+                                mm->locked_vm += (len >> PAGE_SHIFT);
+                } else if ((flags & MAP_POPULATE) && !(flags & MAP_NONBLOCK))
+                        make_pages_present(addr, addr + len);
+                return addr;
+
+        `t/mmap`.
 
         Is only advisory, so can worked around with `#define 0`.
 
+      * `t/opendirat`: `opendirat` (`scandirat`, `scandirat64`)
+
+        Need changes equivalent to c55fbd1ea768f9fdef34a01377702c0d72cbc213 +
+        14d96785125abee5e9a49a1c3037f35a581750bd.
+
   * Building with GCC 4.5, 4.6, trunk will cause different kinds of faults.
 
   * Create `t/cleanup_kernel-features.h`.
@@ -197,6 +222,8 @@ Last reviewed up to the [[Git mirror's 16292eddd77f66002e2104848e75a0fb4d316692
     install`, prepending an additional slash to `install_root` (that is,
     `install_root=//[...]`) is enough to obfuscate the Makefile rules.
 
+  * `sysdeps/unix/sysv/linux/syslog.c`
+
   * Verify baseline changes, if we need any follow-up changes:
 
       * a11ec63713ea3903c482dc907a108be404191a02
@@ -305,25 +332,50 @@ Last reviewed up to the [[Git mirror's 16292eddd77f66002e2104848e75a0fb4d316692
       * d30cf5bb00bfb286ff14d931fb69f5b53724bcdc (`Find readelf with
         AC_CHECK_TOOL`).  Aren't there more in other configure.in and Makefile
         files?
-      * 574920b446870648623a85e00dd8f3ca9f482c0e (`Rewrite -z relro configure
-        check`) + defe906180bad4e356bb55b60b10abd41b7ee3a1 +
-        9fa2c03227e159050e9dc4ec1e315e5909901580.  Watch what happens.  Native
-        build: OK, `yes` (as before).
-      * 5c55070081c27168d27145afdf6a92cd56c9abb3 (`linker
-        --print-output-format`).  Watch what happens.  Native build: OK,
-        `elf32-i386`.
       * 7a03a9c8c4b37b88ac5e82b557d974f3161ddaf9 (`Add read barriers in
         cancellation initialization`).  Is this needed in other places, too?
+      * [low] 5744c68d78f6ca6c6500e2c8d3d85b3a31f4ed2a (`Align x86 TCB to 64
+        bytes`).  Probably we have hidden somewhere such a constant, too (in
+        libpthread).
+      * d96de9634a334af16c0ac711074c15ac1762b23c +
+        ecb1482ffd85fd3279642b1dc045aa867ad4d415 (`Try shell in posix_spawn*
+        only in compat mode`).  Change looks good, but what about
+        `SPAWN_XFLAGS_TRY_SHELL` for us?
+      * 3ce1f2959437e952b9db4eaeed2407424f11a4d1 (`Make several tool features
+        mandatory and simplify the code.`).  Generally looks good.
+          * `locale/global-locale.c`: Apparently, no one is using
+            `_HURD_THREADVAR_LOCALE`.  But it is exported via
+            `hurd/threadvar.h`.
+          * `mach/devstream.c`: reversed.  Fixed in
+            `t/repair-mach_devstream.c`.
+          * `malloc/arena.c`: should be OK.
+      * `Remove support for !USE___THREAD`.
+        d063d164335938d557460bebaa7cfe388157b627 (generally looks good;
+        `csu/errno-loc.c` (should be OK); `include/errno.h` (fixed)) +
+        (de82006d43e198fd162807c9adc720c7ebd728a3 +
+        037e9fe21c92216ef7032ea2796781ec27ca182a) +
+        995a80dfbcb443ead5aa22682c884ec5c827a2ea (discussing) +
+        bc7e1c3667b577ad418f7520df2a7dbccea04ee9 (should be ok).
+      * [OK] 22a89187139a9083ca73989bfd11597e0f85cb61 (`malloc: Remove all
+        kinds of unused configuration options and dead code.`).  `NO_STARTER`
+        changes (should be OK).
+      * [OK] 02d46fc4b969e25e4ba0c54aa95fa98d7279bd05 (`Simplify malloc
+        initialization`).
+      * [OK] 83cd14204559abbb52635006832eaf4d2f42514a (`Remove --wth-tls
+        option, TLS support is required`).
+      * a7c8e6a1478de9f990b11e5e853318ccbe4330f2 (`Fix invalid conversion in
+        __cmsg_nxthdr`).  Probably just a C++ thing and not relevant for us;
+        see [[message-id "87r52nk1kx.fsf@kepler.schwinge.homeip.net"]].
 
 
 # Build
 
 Here's a log of a glibc build run; this is from our [[Git repository's
-443c5bb99e82ffd8e42e85b4f26992177ba868dc (2011-09-26; 2011-08-04)
+8cb1875ef1e3211ec133d8eea328dbe59538c2a7 (2011-10-11)
 sources|source_repositories/glibc]], run on coulomb.SCHWINGE.
 
     $ export LC_ALL=C
-    $ ../Roger_Whittaker/configure AUTOCONF=: --without-cvs --prefix=/usr --disable-profile --disable-multi-arch --build=i486-gnu --host=i486-gnu CC=gcc-4.4 CXX=g++-4.4 2>&1 | tee log_build
+    $ ../Roger_Whittaker/configure AUTOCONF=: --prefix=/usr --disable-profile --disable-multi-arch --build=i486-gnu --host=i486-gnu CC=gcc-4.4 CXX=g++-4.4 2>&1 | tee log_build
     [...]
     $ make install_root=/INVALID 2>&1 | tee log_build_
     [...]
@@ -376,7 +428,7 @@ TODO.
     $ make -k install_root=/INVALID check 2>&1 | tee log_check
     [...]
 
-This needs roughly 50 min on coulomb.SCHWINGE.
+This needs roughly 55 min on coulomb.SCHWINGE.
 
 <!--
     $ ssh kepler.SCHWINGE 'cd tmp/source/gdb/ && sed < hurd/master.build/gdb/testsuite/gdb.sum -e "s%\(/media/data\)\?${PWD}%[...]%g"' > open_issues/gdb/sum_linux
@@ -489,10 +541,6 @@ There is quite a baseline of failures.
 
         /home/thomas/tmp/glibc/tschwinge/Roger_Whittaker.build-gcc-4.4-486/elf/tst-unique3lib.os:(.data.DW.ref.__gxx_personality_v0[DW.ref.__gxx_personality_v0]+0x0): undefined reference to `__gxx_personality_v0'
 
-  * `stdio-common/tst-rndseek.out`
-
-    Timeout.
-
 
 ## OLD