From 83e5364c5573e3f292eb04a83cd0728f5f789ced Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Thu, 7 Sep 2023 15:48:07 +0100 Subject: [PATCH] 5.4-stable patches added patches: powerpc-32s-fix-assembler-warning-about-r0.patch --- ...c-32s-fix-assembler-warning-about-r0.patch | 37 +++++++++++++++++++ queue-5.4/series | 1 + 2 files changed, 38 insertions(+) create mode 100644 queue-5.4/powerpc-32s-fix-assembler-warning-about-r0.patch diff --git a/queue-5.4/powerpc-32s-fix-assembler-warning-about-r0.patch b/queue-5.4/powerpc-32s-fix-assembler-warning-about-r0.patch new file mode 100644 index 00000000000..fc457b1253d --- /dev/null +++ b/queue-5.4/powerpc-32s-fix-assembler-warning-about-r0.patch @@ -0,0 +1,37 @@ +From b51ba4fe2e134b631f9c8f45423707aab71449b5 Mon Sep 17 00:00:00 2001 +From: Christophe Leroy +Date: Thu, 6 Aug 2020 06:01:42 +0000 +Subject: powerpc/32s: Fix assembler warning about r0 + +From: Christophe Leroy + +commit b51ba4fe2e134b631f9c8f45423707aab71449b5 upstream. + +The assembler says: + arch/powerpc/kernel/head_32.S:1095: Warning: invalid register expression + +It's objecting to the use of r0 as the RA argument. That's because +when RA = 0 the literal value 0 is used, rather than the content of +r0, making the use of r0 in the source potentially confusing. + +Fix it to use a literal 0, the generated code is identical. + +Signed-off-by: Christophe Leroy +Signed-off-by: Michael Ellerman +Link: https://lore.kernel.org/r/2b69ac8e1cddff6f808fc7415907179eab4aae9e.1596693679.git.christophe.leroy@csgroup.eu +Signed-off-by: Greg Kroah-Hartman +--- + arch/powerpc/kernel/head_32.S | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/arch/powerpc/kernel/head_32.S ++++ b/arch/powerpc/kernel/head_32.S +@@ -922,7 +922,7 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_HPTE_T + */ + lis r5, abatron_pteptrs@h + ori r5, r5, abatron_pteptrs@l +- stw r5, 0xf0(r0) /* This much match your Abatron config */ ++ stw r5, 0xf0(0) /* This much match your Abatron config */ + lis r6, swapper_pg_dir@h + ori r6, r6, swapper_pg_dir@l + tophys(r5, r5) diff --git a/queue-5.4/series b/queue-5.4/series index bd20d5de8a4..dce4ecd6981 100644 --- a/queue-5.4/series +++ b/queue-5.4/series @@ -41,3 +41,4 @@ scsi-storvsc-always-set-no_report_opcodes.patch alsa-seq-oss-fix-racy-open-close-of-midi-devices.patch platform-mellanox-fix-mlxbf-tmfifo-not-handling-all-.patch net-avoid-address-overwrite-in-kernel_connect.patch +powerpc-32s-fix-assembler-warning-about-r0.patch -- 2.47.3