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authorJakub Kicinski <kuba@kernel.org>2024-03-22 02:14:13 +0300
committerJakub Kicinski <kuba@kernel.org>2024-03-22 02:15:08 +0300
commit537c2e91d3549e5d6020bb0576cf9b54a845255f (patch)
treec09e8a1b7d733cde19b0c72678c28fb2bc97ff6b /arch/parisc/include/asm/assembly.h
parent237bb5f7f7f55ec5f773469a974c61a49c298625 (diff)
parentcba9ffdb9913dfe6be29f049ce920ce451ce7cc4 (diff)
downloadlinux-537c2e91d3549e5d6020bb0576cf9b54a845255f.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'arch/parisc/include/asm/assembly.h')
-rw-r--r--arch/parisc/include/asm/assembly.h18
1 files changed, 10 insertions, 8 deletions
diff --git a/arch/parisc/include/asm/assembly.h b/arch/parisc/include/asm/assembly.h
index 5937d5edaba1..000a28e1c5e8 100644
--- a/arch/parisc/include/asm/assembly.h
+++ b/arch/parisc/include/asm/assembly.h
@@ -97,26 +97,28 @@
* version takes two arguments: a src and destination register.
* However, the source and destination registers can not be
* the same register.
+ *
+ * We use add,l to avoid clobbering the C/B bits in the PSW.
*/
.macro tophys grvirt, grphys
- ldil L%(__PAGE_OFFSET), \grphys
- sub \grvirt, \grphys, \grphys
+ ldil L%(-__PAGE_OFFSET), \grphys
+ addl \grvirt, \grphys, \grphys
.endm
-
+
.macro tovirt grphys, grvirt
ldil L%(__PAGE_OFFSET), \grvirt
- add \grphys, \grvirt, \grvirt
+ addl \grphys, \grvirt, \grvirt
.endm
.macro tophys_r1 gr
- ldil L%(__PAGE_OFFSET), %r1
- sub \gr, %r1, \gr
+ ldil L%(-__PAGE_OFFSET), %r1
+ addl \gr, %r1, \gr
.endm
-
+
.macro tovirt_r1 gr
ldil L%(__PAGE_OFFSET), %r1
- add \gr, %r1, \gr
+ addl \gr, %r1, \gr
.endm
.macro delay value