diff options
Diffstat (limited to '0001-arm64-kernel-numa-fix-ACPI-boot-cpu-numa-node-mappin.patch')
| -rw-r--r-- | 0001-arm64-kernel-numa-fix-ACPI-boot-cpu-numa-node-mappin.patch | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/0001-arm64-kernel-numa-fix-ACPI-boot-cpu-numa-node-mappin.patch b/0001-arm64-kernel-numa-fix-ACPI-boot-cpu-numa-node-mappin.patch deleted file mode 100644 index 7be04148c..000000000 --- a/0001-arm64-kernel-numa-fix-ACPI-boot-cpu-numa-node-mappin.patch +++ /dev/null @@ -1,61 +0,0 @@ -From patchwork Mon Oct 17 14:56:49 2016 -Content-Type: text/plain; charset="utf-8" -MIME-Version: 1.0 -Content-Transfer-Encoding: 7bit -Subject: [v2] arm64: kernel: numa: fix ACPI boot cpu numa node mapping -From: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> -X-Patchwork-Id: 9379531 -Message-Id: <20161017145649.6189-1-lorenzo.pieralisi@arm.com> -To: linux-arm-kernel@lists.infradead.org -Cc: Andrew Jones <drjones@redhat.com>, - Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>, - Catalin Marinas <catalin.marinas@arm.com>, - Will Deacon <will.deacon@arm.com>, - linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, - Hanjun Guo <hanjun.guo@linaro.org>, - Zhen Lei <thunder.leizhen@huawei.com>, Laszlo Ersek <lersek@redhat.com> -Date: Mon, 17 Oct 2016 15:56:49 +0100 - -Commit 7ba5f605f3a0 ("arm64/numa: remove the limitation that cpu0 must -bind to node0") removed the numa cpu<->node mapping restriction whereby -logical cpu 0 always corresponds to numa node 0; removing the -restriction was correct, in that it does not really exist in practice -but the commit only updated the early mapping of logical cpu 0 to its -real numa node for the DT boot path, missing the ACPI one, leading to -boot failures on ACPI systems owing to missing cpu<->node map for -logical cpu 0. - -Fix the issue by updating the ACPI boot path with code that carries out -the early cpu<->node mapping also for the boot cpu (ie cpu 0), mirroring -what is currently done in the DT boot path. - -Fixes: 7ba5f605f3a0 ("arm64/numa: remove the limitation that cpu0 must bind to node0") -Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> -Tested-by: Laszlo Ersek <lersek@redhat.com> -Reported-by: Laszlo Ersek <lersek@redhat.com> -Cc: Will Deacon <will.deacon@arm.com> -Cc: Laszlo Ersek <lersek@redhat.com> -Cc: Hanjun Guo <hanjun.guo@linaro.org> -Cc: Andrew Jones <drjones@redhat.com> -Cc: Zhen Lei <thunder.leizhen@huawei.com> -Cc: Catalin Marinas <catalin.marinas@arm.com> -Acked-by: Hanjun Guo <hanjun.guo@linaro.org> ---- -v1 -> v2 - - Updated commit log to reflect boot failures set-ups - - arch/arm64/kernel/smp.c | 1 + - 1 file changed, 1 insertion(+) - -diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c -index d3f151c..8507703 100644 ---- a/arch/arm64/kernel/smp.c -+++ b/arch/arm64/kernel/smp.c -@@ -544,6 +544,7 @@ acpi_map_gic_cpu_interface(struct acpi_madt_generic_interrupt *processor) - return; - } - bootcpu_valid = true; -+ early_map_cpu_to_node(0, acpi_numa_get_nid(0, hwid)); - return; - } - |