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| author | Pierre Labastie <pieere@linuxfromscratch.org> | 2020-05-21 07:40:38 +0000 |
|---|---|---|
| committer | Pierre Labastie <pieere@linuxfromscratch.org> | 2020-05-21 07:40:38 +0000 |
| commit | 1405c4a2c66b956950ad7eb2821db451cb1cb643 (patch) | |
| tree | e599a03117695e65f3f38ede1c9a60d445548d71 | |
| parent | aabe1face46e8f5f2aad19c297fe29a400b65755 (diff) | |
Fix kernel crash when using STACK_PROTECTOR_STRONG=y
git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@11852 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
| -rw-r--r-- | chapter01/changelog.xml | 10 | ||||
| -rw-r--r-- | chapter08/kernel.xml | 10 | ||||
| -rw-r--r-- | general.ent | 6 |
3 files changed, 23 insertions, 3 deletions
diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml index 48d90c77e..01a215550 100644 --- a/chapter01/changelog.xml +++ b/chapter01/changelog.xml @@ -43,6 +43,16 @@ appropriate for the entry or if needed the entire day's listitem. --> <listitem> + <para>2020-05-21</para> + <itemizedlist> + <listitem> + <para>[pierre] - Fix a crash at early boot when using + CONFIG_STACK_PROTECTOR_STRONG=y in kernel configuration.</para> + </listitem> + </itemizedlist> + </listitem> + + <listitem> <para>2020-05-16</para> <itemizedlist> <listitem> diff --git a/chapter08/kernel.xml b/chapter08/kernel.xml index 0173f7445..a31b545a9 100644 --- a/chapter08/kernel.xml +++ b/chapter08/kernel.xml @@ -54,6 +54,16 @@ kernel compilation. Do not rely on the source tree being clean after un-tarring.</para> + <!-- The following paragraph and sed should be only necessary on the 5.6 + series, but check when 5.7 is out. --> + <para>When using <envar>CONFIG_STACKPROTECTOR_STRONG=y</envar>, and + compiling with GCC 10 and later, the default optimization is too + aggressive, and generates a kernel panic when booting. This can be + fixed with:</para> + +<screen><userinput remap="pre">sed -e '/cpu_startup/a asm("");' \ + -i arch/x86/{kernel/smpboot.c,xen/smp_pv.c}</userinput></screen> + <!-- Support for compiling a keymap into the kernel is deliberately removed --> <para>Configure the kernel via a menu-driven interface. For general diff --git a/general.ent b/general.ent index 0c6f40ff8..7e9a422c1 100644 --- a/general.ent +++ b/general.ent @@ -1,13 +1,13 @@ -<!ENTITY version "SVN-20200516"> +<!ENTITY version "SVN-20200521"> <!ENTITY short-version "svn"> <!-- Used below in &blfs-book; Change to x.y for release but not -rc releases --> <!ENTITY generic-version "development"> <!-- Use "development" or "x.y[-pre{x}]" --> -<!ENTITY versiond "20200516-systemd"> +<!ENTITY versiond "20200521-systemd"> <!ENTITY short-versiond "systemd"> <!ENTITY generic-versiond "systemd"> -<!ENTITY releasedate "May 16th, 2020"> +<!ENTITY releasedate "May 21st, 2020"> <!ENTITY copyrightdate "1999-2020"><!-- jhalfs needs a literal dash, not – --> |