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| author | Luis R. Rodriguez <mcgrof@suse.com> | 2014-12-09 14:54:44 -0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-12-11 11:33:22 +0100 |
| commit | 96ed4cd0aa86ac1a753baeef26c911a9449493e9 (patch) | |
| tree | 941f1c6436cade5832cd8ca168d96c49efcb21a6 /Documentation/x86 | |
| parent | 02ecc41abcea4ff9291d548f6f846b29b354ddd2 (diff) | |
| download | linux-96ed4cd0aa86ac1a753baeef26c911a9449493e9.tar.gz linux-96ed4cd0aa86ac1a753baeef26c911a9449493e9.tar.bz2 linux-96ed4cd0aa86ac1a753baeef26c911a9449493e9.zip | |
x86/doc: Update documentation after file shuffling
While at it, also refer to the 32 bit entry file.
Signed-off-by: Luis R. Rodriguez <mcgrof@suse.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: linux-doc@vger.kernel.org
Cc: bpoirier@suse.de
Link: http://lkml.kernel.org/r/1418165684-6226-1-git-send-email-mcgrof@do-not-panic.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'Documentation/x86')
| -rw-r--r-- | Documentation/x86/entry_64.txt | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/Documentation/x86/entry_64.txt b/Documentation/x86/entry_64.txt index bc7226ef5055..4a1c5c2dc5a9 100644 --- a/Documentation/x86/entry_64.txt +++ b/Documentation/x86/entry_64.txt @@ -7,9 +7,12 @@ http://lkml.kernel.org/r/<20110529191055.GC9835%40elte.hu> The x86 architecture has quite a few different ways to jump into kernel code. Most of these entry points are registered in arch/x86/kernel/traps.c and implemented in arch/x86/kernel/entry_64.S -and arch/x86/ia32/ia32entry.S. +for 64-bit, arch/x86/kernel/entry_32.S for 32-bit and finally +arch/x86/ia32/ia32entry.S which implements the 32-bit compatibility +syscall entry points and thus provides for 32-bit processes the +ability to execute syscalls when running on 64-bit kernels. -The IDT vector assignments are listed in arch/x86/include/irq_vectors.h. +The IDT vector assignments are listed in arch/x86/include/asm/irq_vectors.h. Some of these entries are: |