diff options
author | Andy Lutomirski <luto@kernel.org> | 2020-07-03 10:02:56 -0700 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2020-07-04 19:47:26 +0200 |
commit | 13cbc0cd4a30c815984ad88e3a2e5976493516a3 (patch) | |
tree | 2259600f6adbc641c6205f22d8a2e242adb79c4a /arch/x86/kernel/traps.c | |
parent | x86/entry/xen: Route #DB correctly on Xen PV (diff) | |
download | linux-dev-13cbc0cd4a30c815984ad88e3a2e5976493516a3.tar.xz linux-dev-13cbc0cd4a30c815984ad88e3a2e5976493516a3.zip |
x86/entry/32: Fix #MC and #DB wiring on x86_32
DEFINE_IDTENTRY_MCE and DEFINE_IDTENTRY_DEBUG were wired up as non-RAW
on x86_32, but the code expected them to be RAW.
Get rid of all the macro indirection for them on 32-bit and just use
DECLARE_IDTENTRY_RAW and DEFINE_IDTENTRY_RAW directly.
Also add a warning to make sure that we only hit the _kernel paths
in kernel mode.
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/9e90a7ee8e72fd757db6d92e1e5ff16339c1ecf9.1593795633.git.luto@kernel.org
Diffstat (limited to '')
-rw-r--r-- | arch/x86/kernel/traps.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index c17f9b57171f..6ed8cc5fbe8f 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -925,7 +925,7 @@ DEFINE_IDTENTRY_DEBUG_USER(exc_debug) } #else /* 32 bit does not have separate entry points. */ -DEFINE_IDTENTRY_DEBUG(exc_debug) +DEFINE_IDTENTRY_RAW(exc_debug) { unsigned long dr6, dr7; |