Messages in this thread | | | Date | Thu, 15 Aug 2019 09:19:24 +0200 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH] powerpc: Allow flush_(inval_)dcache_range to work across ranges >4GB |
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On Thu, Aug 15, 2019 at 02:55:42PM +1000, Alastair D'Silva wrote: > From: Alastair D'Silva <alastair@d-silva.org> > > Heads Up: This patch cannot be submitted to Linus's tree, as the affected > assembler functions have already been converted to C. > > When calling flush_(inval_)dcache_range with a size >4GB, we were masking > off the upper 32 bits, so we would incorrectly flush a range smaller > than intended. > > This patch replaces the 32 bit shifts with 64 bit ones, so that > the full size is accounted for. > > Signed-off-by: Alastair D'Silva <alastair@d-silva.org> > --- > arch/powerpc/kernel/misc_64.S | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-)
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This is not the correct way to submit patches for inclusion in the stable kernel tree. Please read: https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html for how to do this properly.
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