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048f0b1702
Updated default config with new sym (CONFIG_MITIGATE_SPECTRE_BRANCH_HISTORY=y).
Manually rebased:
generic/hack-5.10/220-arm-gc_sections.patch
All other patches automatically rebased.
Build system: x86_64
Build-tested: bcm2711/RPi4B, mt7622/RT3200
Run-tested: bcm2711/RPi4B, mt7622/RT3200
Signed-off-by: John Audia <graysky@archlinux.us>
59 lines
1.6 KiB
Diff
59 lines
1.6 KiB
Diff
From 24f0d858fbabe69c32829edc0e2765b1fa5cc8ec Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Tue, 3 Sep 2019 18:17:25 +0100
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Subject: [PATCH] arch/arm64: Add Revision, Serial, Model to cpuinfo
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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---
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arch/arm64/kernel/cpuinfo.c | 25 +++++++++++++++++++++++++
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1 file changed, 25 insertions(+)
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--- a/arch/arm64/kernel/cpuinfo.c
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+++ b/arch/arm64/kernel/cpuinfo.c
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@@ -17,6 +17,7 @@
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#include <linux/elf.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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+#include <linux/of_platform.h>
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#include <linux/personality.h>
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#include <linux/preempt.h>
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#include <linux/printk.h>
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@@ -140,6 +141,10 @@ static int c_show(struct seq_file *m, vo
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{
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int i, j;
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bool compat = personality(current->personality) == PER_LINUX32;
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+ struct device_node *np;
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+ const char *model;
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+ const char *serial;
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+ u32 revision;
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for_each_online_cpu(i) {
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struct cpuinfo_arm64 *cpuinfo = &per_cpu(cpu_data, i);
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@@ -200,6 +205,26 @@ static int c_show(struct seq_file *m, vo
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seq_printf(m, "CPU revision\t: %d\n\n", MIDR_REVISION(midr));
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}
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+ seq_printf(m, "Hardware\t: BCM2835\n");
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+
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+ np = of_find_node_by_path("/system");
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+ if (np) {
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+ if (!of_property_read_u32(np, "linux,revision", &revision))
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+ seq_printf(m, "Revision\t: %04x\n", revision);
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+ of_node_put(np);
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+ }
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+
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+ np = of_find_node_by_path("/");
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+ if (np) {
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+ if (!of_property_read_string(np, "serial-number",
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+ &serial))
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+ seq_printf(m, "Serial\t\t: %s\n", serial);
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+ if (!of_property_read_string(np, "model",
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+ &model))
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+ seq_printf(m, "Model\t\t: %s\n", model);
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+ of_node_put(np);
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+ }
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+
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return 0;
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}
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