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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-09-05 08:13:24 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-09-05 08:13:24 +0200 |
| commit | 9c2edd8b5bcb36ec6c890dd85f8fd13034aaa43e (patch) | |
| tree | 052b3c229e00462cd0c5773c8b6b9fe314e86f38 /arch/arm64/mm/proc.S | |
| parent | staging: octeon: Use IS_ENABLED() instead of checking for built-in or module (diff) | |
| parent | Linux 4.8-rc5 (diff) | |
| download | linux-9c2edd8b5bcb36ec6c890dd85f8fd13034aaa43e.tar.xz linux-9c2edd8b5bcb36ec6c890dd85f8fd13034aaa43e.zip | |
Merge 4.8-rc5 into staging-next
We want the staging fixes in here as well to handle merge issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm64/mm/proc.S')
| -rw-r--r-- | arch/arm64/mm/proc.S | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S index 5bb61de23201..9d37e967fa19 100644 --- a/arch/arm64/mm/proc.S +++ b/arch/arm64/mm/proc.S @@ -100,7 +100,16 @@ ENTRY(cpu_do_resume) msr tcr_el1, x8 msr vbar_el1, x9 + + /* + * __cpu_setup() cleared MDSCR_EL1.MDE and friends, before unmasking + * debug exceptions. By restoring MDSCR_EL1 here, we may take a debug + * exception. Mask them until local_dbg_restore() in cpu_suspend() + * resets them. + */ + disable_dbg msr mdscr_el1, x10 + msr sctlr_el1, x12 /* * Restore oslsr_el1 by writing oslar_el1 |