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| author | Eric W. Biederman <ebiederm@xmission.com> | 2021-10-20 12:43:47 -0500 |
|---|---|---|
| committer | Eric W. Biederman <ebiederm@xmission.com> | 2021-10-20 13:09:43 -0500 |
| commit | 6ab80d88f82e84e331e79ca4b7e2ca2fe63c8c2f (patch) | |
| tree | 9463757d92e615eab4c18b574e20b00bd55b8b58 /arch/x86/kernel/doublefault_32.c | |
| parent | 6880fa6c56601bb8ed59df6c30fd390cc5f6dd8f (diff) | |
| download | linux-6ab80d88f82e84e331e79ca4b7e2ca2fe63c8c2f.tar.bz2 | |
exit/doublefault: Remove apparently bogus comment about rewind_stack_do_exit
I do not see panic calling rewind_stack_do_exit anywhere, nor can I
find anywhere in the history where doublefault_shim has called
rewind_stack_do_exit. So I don't think this comment was ever actually
correct.
Cc: Andy Lutomirski <luto@kernel.org>
Fixes: 7d8d8cfdee9a ("x86/doublefault/32: Rewrite the x86_32 #DF handler and unify with 64-bit")
Link: https://lkml.kernel.org/r/20211020174406.17889-1-ebiederm@xmission.com
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Diffstat (limited to 'arch/x86/kernel/doublefault_32.c')
| -rw-r--r-- | arch/x86/kernel/doublefault_32.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/arch/x86/kernel/doublefault_32.c b/arch/x86/kernel/doublefault_32.c index d1d49e3d536b..3b58d8703094 100644 --- a/arch/x86/kernel/doublefault_32.c +++ b/arch/x86/kernel/doublefault_32.c @@ -77,9 +77,6 @@ asmlinkage noinstr void __noreturn doublefault_shim(void) * some way to reconstruct CR3. We could make a credible guess based * on cpu_tlbstate, but that would be racy and would not account for * PTI. - * - * Instead, don't bother. We can return through - * rewind_stack_do_exit() instead. */ panic("cannot return from double fault\n"); } |