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powerpc/ptdump: Fix display of RW pages on FSL_BOOK3E
commitdd8de84b57
upstream. On FSL_BOOK3E, _PAGE_RW is defined with two bits, one for user and one for supervisor. As soon as one of the two bits is set, the page has to be display as RW. But the way it is implemented today requires both bits to be set in order to display it as RW. Instead of display RW when _PAGE_RW bits are set and R otherwise, reverse the logic and display R when _PAGE_RW bits are all 0 and RW otherwise. This change has no impact on other platforms as _PAGE_RW is a single bit on all of them. Fixes:8eb07b1870
("powerpc/mm: Dump linux pagetables") Cc: stable@vger.kernel.org Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/0c33b96317811edf691e81698aaee8fa45ec3449.1656427391.git.christophe.leroy@csgroup.eu Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 3 additions and 3 deletions
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@ -17,9 +17,9 @@ static const struct flag_info flag_array[] = {
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.clear = " ",
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}, {
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.mask = _PAGE_RW,
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.val = _PAGE_RW,
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.set = "rw",
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.clear = "r ",
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.val = 0,
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.set = "r ",
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.clear = "rw",
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}, {
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.mask = _PAGE_EXEC,
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.val = _PAGE_EXEC,
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