2f27bfffb4
commit 9d8d0294e78a164d407133dea05caf4b84247d6a upstream. On x86_64, all returns to usermode go through prepare_exit_to_usermode(), with the sole exception of do_nmi(). This even includes machine checks -- this was added several years ago to support MCE recovery. Update the documentation. Signed-off-by: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@suse.de> Cc: Frederic Weisbecker <frederic@kernel.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jon Masters <jcm@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: stable@vger.kernel.org Fixes: 04dcbdb80578 ("x86/speculation/mds: Clear CPU buffers on exit to user") Link: http://lkml.kernel.org/r/999fa9e126ba6a48e9d214d2f18dbde5c62ac55c.1557865329.git.luto@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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| .. | ||
| i386 | ||
| x86_64 | ||
| 00-INDEX | ||
| boot.txt | ||
| conf.py | ||
| early-microcode.txt | ||
| earlyprintk.txt | ||
| entry_64.txt | ||
| exception-tables.txt | ||
| index.rst | ||
| intel_mpx.txt | ||
| kernel-stacks | ||
| mds.rst | ||
| mtrr.txt | ||
| pat.txt | ||
| protection-keys.txt | ||
| pti.txt | ||
| tlb.txt | ||
| topology.txt | ||
| usb-legacy-support.txt | ||
| zero-page.txt | ||