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14940aee45
Removed upstreamed: target/linux/mvebu/patches-5.4/001-PCI-aardvark-Wait-for-endpoint-to-be-ready-before-tr.patch target/linux/mvebu/patches-5.4/016-PCI-aardvark-Train-link-immediately-after-enabling-t.patch target/linux/mvebu/patches-5.4/017-PCI-aardvark-Improve-link-training.patch target/linux/mvebu/patches-5.4/018-PCI-aardvark-Issue-PERST-via-GPIO.patch target/linux/mvebu/patches-5.4/020-arm64-dts-marvell-armada-37xx-Set-pcie_reset_pin-to-.patch The following patch does not apply to upstream any more and needs some more work to make it work fully again. I am not sure if we are still able to set the UART to a none standard baud rate. target/linux/ath79/patches-5.4/921-serial-core-add-support-for-boot-console-with-arbitr.patch These patches needed manually changes: target/linux/generic/pending-5.4/110-ehci_hcd_ignore_oc.patch target/linux/ipq806x/patches-5.4/0065-arm-override-compiler-flags.patch target/linux/layerscape/patches-5.4/804-crypto-0016-MLKU-114-1-crypto-caam-reduce-page-0-regs-access-to-.patch target/linux/mvebu/patches-5.4/019-PCI-aardvark-Add-PHY-support.patch target/linux/octeontx/patches-5.4/0004-PCI-add-quirk-for-Gateworks-PLX-PEX860x-switch-with-.patch All others updated automatically. Compile-tested on: malta/le, armvirt/64, lantiq/xrx200 Runtime-tested on: malta/le, armvirt/64, lantiq/xrx200 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
86 lines
2.2 KiB
Diff
86 lines
2.2 KiB
Diff
From 2b13c54592135b6fab269517ed687fa9f80bf8e5 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Mon, 27 Nov 2017 17:14:54 +0000
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Subject: [PATCH] cgroup: Disable cgroup "memory" by default
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Some Raspberry Pis have limited RAM and most users won't use the
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cgroup memory support so it is disabled by default. Enable with:
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cgroup_enable=memory
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See: https://github.com/raspberrypi/linux/issues/1950
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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---
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kernel/cgroup/cgroup.c | 38 ++++++++++++++++++++++++++++++++++++++
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1 file changed, 38 insertions(+)
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--- a/kernel/cgroup/cgroup.c
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+++ b/kernel/cgroup/cgroup.c
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@@ -5744,6 +5744,9 @@ int __init cgroup_init_early(void)
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return 0;
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}
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+static u16 cgroup_enable_mask __initdata;
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+static int __init cgroup_disable(char *str);
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+
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/**
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* cgroup_init - cgroup initialization
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*
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@@ -5782,6 +5785,12 @@ int __init cgroup_init(void)
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mutex_unlock(&cgroup_mutex);
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+ /*
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+ * Apply an implicit disable, knowing that an explicit enable will
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+ * prevent if from doing anything.
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+ */
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+ cgroup_disable("memory");
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+
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for_each_subsys(ss, ssid) {
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if (ss->early_init) {
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struct cgroup_subsys_state *css =
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@@ -6191,6 +6200,10 @@ static int __init cgroup_disable(char *s
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strcmp(token, ss->legacy_name))
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continue;
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+ /* An explicit cgroup_enable overrides a disable */
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+ if (cgroup_enable_mask & (1 << i))
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+ continue;
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+
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static_branch_disable(cgroup_subsys_enabled_key[i]);
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pr_info("Disabling %s control group subsystem\n",
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ss->name);
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@@ -6200,6 +6213,31 @@ static int __init cgroup_disable(char *s
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}
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__setup("cgroup_disable=", cgroup_disable);
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+static int __init cgroup_enable(char *str)
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+{
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+ struct cgroup_subsys *ss;
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+ char *token;
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+ int i;
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+
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+ while ((token = strsep(&str, ",")) != NULL) {
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+ if (!*token)
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+ continue;
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+
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+ for_each_subsys(ss, i) {
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+ if (strcmp(token, ss->name) &&
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+ strcmp(token, ss->legacy_name))
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+ continue;
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+
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+ cgroup_enable_mask |= 1 << i;
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+ static_branch_enable(cgroup_subsys_enabled_key[i]);
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+ pr_info("Enabling %s control group subsystem\n",
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+ ss->name);
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+ }
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+ }
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+ return 1;
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+}
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+__setup("cgroup_enable=", cgroup_enable);
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+
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void __init __weak enable_debug_cgroup(void) { }
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static int __init enable_cgroup_debug(char *str)
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