diff options
Diffstat (limited to 'target/linux/uml/patches-5.10')
3 files changed, 0 insertions, 392 deletions
diff --git a/target/linux/uml/patches-5.10/001-um-Fix-build-w-o-CONFIG_PM_SLEEP.patch b/target/linux/uml/patches-5.10/001-um-Fix-build-w-o-CONFIG_PM_SLEEP.patch deleted file mode 100644 index acee358dd7..0000000000 --- a/target/linux/uml/patches-5.10/001-um-Fix-build-w-o-CONFIG_PM_SLEEP.patch +++ /dev/null @@ -1,32 +0,0 @@ -From 1fb1abc83636f5329c26cd29f0f19f3faeb697a5 Mon Sep 17 00:00:00 2001 -From: Johannes Berg <johannes.berg@intel.com> -Date: Mon, 14 Dec 2020 20:51:02 +0100 -Subject: [PATCH] um: Fix build w/o CONFIG_PM_SLEEP - -uml_pm_wake() is unconditionally called from the SIGUSR1 wakeup -handler since that's in the userspace portion of UML, and thus -a bit tricky to ifdef out. Since pm_system_wakeup() can always -be called (but may be an empty inline), also simply always have -uml_pm_wake() to fix the build. - -Reported-by: Randy Dunlap <rdunlap@infradead.org> -Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested -Signed-off-by: Johannes Berg <johannes.berg@intel.com> -Signed-off-by: Richard Weinberger <richard@nod.at> ---- ---- a/arch/um/kernel/um_arch.c -+++ b/arch/um/kernel/um_arch.c -@@ -387,12 +387,12 @@ void text_poke_sync(void) - { - } - --#ifdef CONFIG_PM_SLEEP - void uml_pm_wake(void) - { - pm_system_wakeup(); - } - -+#ifdef CONFIG_PM_SLEEP - static int init_pm_wake_signal(void) - { - /* diff --git a/target/linux/uml/patches-5.10/101-mconsole-exec.patch b/target/linux/uml/patches-5.10/101-mconsole-exec.patch deleted file mode 100644 index dae84d6bf5..0000000000 --- a/target/linux/uml/patches-5.10/101-mconsole-exec.patch +++ /dev/null @@ -1,213 +0,0 @@ -# -# Minimalist mconsole exec patch -# -# 3.10 version (with bit more synchronous behavior) by fingon at iki dot fi -# Adaptation to kernel 3.3.8 made by David Fernández (david at dit.upm.es) for -# Starting point: mconsole-exec-2.6.30.patch for kernel 2.6.30 -# Author of original patch: Paolo Giarrusso, aka Blaisorblade -# (http://www.user-mode-linux.org/~blaisorblade) -# -# Known misfeatures: -# -# - If output is too long, blocks (and breaks horribly) -# (this misfeature from 3.10 patches, when minimalizing the patch; -# workaround: redirect to a shared filesystem if long output is expected) -# -# - Nothing useful is done with stdin -# ---- a/arch/um/drivers/mconsole.h -+++ b/arch/um/drivers/mconsole.h -@@ -85,6 +85,7 @@ extern void mconsole_cad(struct mc_reque - extern void mconsole_stop(struct mc_request *req); - extern void mconsole_go(struct mc_request *req); - extern void mconsole_log(struct mc_request *req); -+extern void mconsole_exec(struct mc_request *req); - extern void mconsole_proc(struct mc_request *req); - extern void mconsole_stack(struct mc_request *req); - ---- a/arch/um/drivers/mconsole_kern.c -+++ b/arch/um/drivers/mconsole_kern.c -@@ -4,6 +4,7 @@ - * Copyright (C) 2001 - 2008 Jeff Dike (jdike@{addtoit,linux.intel}.com) - */ - -+#include <linux/kmod.h> - #include <linux/console.h> - #include <linux/ctype.h> - #include <linux/string.h> -@@ -26,6 +27,7 @@ - #include <linux/mount.h> - #include <linux/file.h> - #include <linux/uaccess.h> -+#include <linux/completion.h> - #include <asm/switch_to.h> - - #include <init.h> -@@ -123,6 +125,59 @@ void mconsole_log(struct mc_request *req - mconsole_reply(req, "", 0, 0); - } - -+void mconsole_exec(struct mc_request *req) -+{ -+ struct subprocess_info *sub_info; -+ int res, len; -+ struct file *out; -+ char buf[MCONSOLE_MAX_DATA]; -+ -+ char *envp[] = { -+ "HOME=/", "TERM=linux", -+ "PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin", -+ NULL -+ }; -+ char *argv[] = { -+ "/bin/sh", "-c", -+ req->request.data + strlen("exec "), -+ NULL -+ }; -+ -+ sub_info = call_usermodehelper_setup("/bin/sh", argv, envp, GFP_ATOMIC, NULL, NULL, NULL); -+ if (sub_info == NULL) { -+ mconsole_reply(req, "call_usermodehelper_setup failed", 1, 0); -+ return; -+ } -+ res = call_usermodehelper_stdoutpipe(sub_info, &out); -+ if (res < 0) { -+ kfree(sub_info); -+ mconsole_reply(req, "call_usermodehelper_stdoutpipe failed", 1, 0); -+ return; -+ } -+ -+ res = call_usermodehelper_exec(sub_info, UMH_WAIT_PROC); -+ if (res < 0) { -+ kfree(sub_info); -+ mconsole_reply(req, "call_usermodehelper_exec failed", 1, 0); -+ return; -+ } -+ -+ for (;;) { -+ len = out->f_op->read(out, buf, sizeof(buf), &out->f_pos); -+ if (len < 0) { -+ mconsole_reply(req, "reading output failed", 1, 0); -+ break; -+ } -+ if (len == 0) -+ break; -+ mconsole_reply_len(req, buf, len, 0, 1); -+ } -+ fput(out); -+ -+ mconsole_reply_len(req, NULL, 0, 0, 0); -+} -+ -+ - void mconsole_proc(struct mc_request *req) - { - struct vfsmount *mnt = proc_mnt; -@@ -189,6 +244,7 @@ void mconsole_proc(struct mc_request *re - stop - pause the UML; it will do nothing until it receives a 'go' \n\ - go - continue the UML after a 'stop' \n\ - log <string> - make UML enter <string> into the kernel log\n\ -+ exec <string> - pass <string> to /bin/sh -c synchronously\n\ - proc <file> - returns the contents of the UML's /proc/<file>\n\ - stack <pid> - returns the stack of the specified pid\n\ - " ---- a/arch/um/drivers/mconsole_user.c -+++ b/arch/um/drivers/mconsole_user.c -@@ -30,6 +30,7 @@ static struct mconsole_command commands[ - { "stop", mconsole_stop, MCONSOLE_PROC }, - { "go", mconsole_go, MCONSOLE_INTR }, - { "log", mconsole_log, MCONSOLE_INTR }, -+ { "exec", mconsole_exec, MCONSOLE_PROC }, - { "proc", mconsole_proc, MCONSOLE_PROC }, - { "stack", mconsole_stack, MCONSOLE_INTR }, - }; ---- a/arch/um/os-Linux/file.c -+++ b/arch/um/os-Linux/file.c -@@ -560,6 +560,8 @@ int os_create_unix_socket(const char *fi - - addr.sun_family = AF_UNIX; - -+ if (len > sizeof(addr.sun_path)) -+ len = sizeof(addr.sun_path); - snprintf(addr.sun_path, len, "%s", file); - - err = bind(sock, (struct sockaddr *) &addr, sizeof(addr)); ---- a/include/linux/kmod.h -+++ b/include/linux/kmod.h -@@ -32,4 +32,6 @@ static inline int request_module_nowait( - #define try_then_request_module(x, mod...) (x) - #endif - -+int call_usermodehelper_stdoutpipe(struct subprocess_info *sub_info, struct file **filp); -+ - #endif /* __LINUX_KMOD_H__ */ ---- a/include/linux/umh.h -+++ b/include/linux/umh.h -@@ -22,6 +22,7 @@ struct subprocess_info { - const char *path; - char **argv; - char **envp; -+ struct file *stdout; - int wait; - int retval; - int (*init)(struct subprocess_info *info, struct cred *new); ---- a/kernel/umh.c -+++ b/kernel/umh.c -@@ -27,6 +27,7 @@ - #include <linux/ptrace.h> - #include <linux/async.h> - #include <linux/uaccess.h> -+#include <linux/pipe_fs_i.h> - - #include <trace/events/module.h> - -@@ -72,6 +73,28 @@ static int call_usermodehelper_exec_asyn - flush_signal_handlers(current, 1); - spin_unlock_irq(¤t->sighand->siglock); - -+ /* Install output when needed */ -+ if (sub_info->stdout) { -+ struct files_struct *f = current->files; -+ struct fdtable *fdt; -+ -+ sys_close(1); -+ sys_close(2); -+ get_file(sub_info->stdout); -+ fd_install(1, sub_info->stdout); -+ fd_install(2, sub_info->stdout); -+ spin_lock(&f->file_lock); -+ fdt = files_fdtable(f); -+ __set_bit(1, fdt->open_fds); -+ __clear_bit(1, fdt->close_on_exec); -+ __set_bit(2, fdt->open_fds); -+ __clear_bit(2, fdt->close_on_exec); -+ spin_unlock(&f->file_lock); -+ -+ /* disallow core files */ -+ current->signal->rlim[RLIMIT_CORE] = (struct rlimit){0, 0}; -+ } -+ - /* - * Initial kernel threads share ther FS with init, in order to - * get the init root directory. But we've now created a new -@@ -330,6 +353,20 @@ static void helper_unlock(void) - wake_up(&running_helpers_waitq); - } - -+int call_usermodehelper_stdoutpipe(struct subprocess_info *sub_info, -+ struct file **filp) -+{ -+ struct file *f[2]; -+ -+ if (create_pipe_files(f, 0) < 0) -+ return PTR_ERR(f); -+ -+ sub_info->stdout = f[1]; -+ *filp = f[0]; -+ return 0; -+} -+EXPORT_SYMBOL(call_usermodehelper_stdoutpipe); -+ - /** - * call_usermodehelper_setup - prepare to call a usermode helper - * @path: path to usermode executable diff --git a/target/linux/uml/patches-5.10/102-pseudo-random-mac.patch b/target/linux/uml/patches-5.10/102-pseudo-random-mac.patch deleted file mode 100644 index a4e6500f94..0000000000 --- a/target/linux/uml/patches-5.10/102-pseudo-random-mac.patch +++ /dev/null @@ -1,147 +0,0 @@ -=============================================================================== - -This patch makes MAC addresses of network interfaces predictable. In -particular, it adds a small routine that computes MAC addresses of based on -a SHA1 hash of the virtual machine name and interface ID. - -TECHNICAL INFORMATION: - -Applies to vanilla kernel 3.9.4. - -=============================================================================== ---- a/arch/um/drivers/Kconfig -+++ b/arch/um/drivers/Kconfig -@@ -146,6 +146,20 @@ config UML_NET - enable at least one of the following transport options to actually - make use of UML networking. - -+config UML_NET_DETERMINISTIC_MAC -+ bool "Use deterministic MAC addresses for network interfaces" -+ default y -+ depends on UML_NET -+ select CRYPTO_SHA1 -+ help -+ Virtual network devices inside a User-Mode Linux instance must be -+ assigned a MAC (Ethernet) address. If none is specified on the UML -+ command line, one must be automatically computed. If this option is -+ enabled, a randomly generated address is used. Otherwise, if this -+ option is disabled, the address is generated from a SHA1 hash of -+ the umid of the UML instance and the interface name. The latter choice -+ is useful to make MAC addresses predictable. -+ - config UML_NET_ETHERTAP - bool "Ethertap transport (obsolete)" - depends on UML_NET ---- a/arch/um/drivers/net_kern.c -+++ b/arch/um/drivers/net_kern.c -@@ -25,6 +25,14 @@ - #include <net_kern.h> - #include <net_user.h> - -+#include <crypto/sha.h> -+#include <crypto/hash.h> -+#include <linux/string.h> -+#include <linux/crypto.h> -+#include <linux/err.h> -+#include <linux/scatterlist.h> -+#include "os.h" -+ - #define DRIVER_NAME "uml-netdev" - - static DEFINE_SPINLOCK(opened_lock); -@@ -274,9 +282,51 @@ static const struct ethtool_ops uml_net_ - .get_ts_info = ethtool_op_get_ts_info, - }; - -+#ifdef CONFIG_UML_NET_DETERMINISTIC_MAC -+ -+/* Compute a SHA1 hash of the UML instance's id and -+ * * an interface name. */ -+static int compute_hash(const char *umid, const char *ifname, char *hash) -+{ -+ struct ahash_request *desc; -+ struct crypto_ahash *tfm; -+ struct scatterlist sg; -+ char vmif[1024]; -+ int ret; -+ -+ strcpy (vmif, umid); -+ strcat (vmif, ifname); -+ -+ tfm = crypto_alloc_ahash("sha1", 0, CRYPTO_ALG_ASYNC); -+ if (IS_ERR(tfm)) -+ return -ENOMEM; -+ -+ desc = ahash_request_alloc(tfm, GFP_KERNEL); -+ if (!desc) { -+ ret = -ENOMEM; -+ goto out; -+ } -+ -+ crypto_ahash_clear_flags(tfm, ~0); -+ -+ sg_init_table(&sg, 1); -+ sg_set_buf(&sg, vmif, strlen(vmif)); -+ -+ ahash_request_set_crypt(desc, &sg, hash, strlen(vmif)); -+ -+ ret = crypto_ahash_digest(desc); -+out: -+ crypto_free_ahash(tfm); -+ -+ return ret; -+} -+ -+#endif -+ - void uml_net_setup_etheraddr(struct net_device *dev, char *str) - { - unsigned char *addr = dev->dev_addr; -+ u8 hash[SHA1_DIGEST_SIZE]; - char *end; - int i; - -@@ -319,9 +369,26 @@ void uml_net_setup_etheraddr(struct net_ - return; - - random: -+#ifndef CONFIG_UML_NET_DETERMINISTIC_MAC - printk(KERN_INFO - "Choosing a random ethernet address for device %s\n", dev->name); - eth_hw_addr_random(dev); -+#else -+ printk(KERN_INFO -+ "Computing a digest to use as ethernet address for device %s\n", dev->name); -+ if (compute_hash(get_umid(), dev->name, hash) < 0) { -+ printk(KERN_WARNING -+ "Could not compute digest to use as ethernet address for device %s. " -+ "Using random address instead.\n", dev->name); -+ random_ether_addr(addr); -+ } -+ else { -+ for (i=0; i < 6; i++) -+ addr[i] = (hash[i] + hash[i+6]) % 0x100; -+ } -+ addr [0] &= 0xfe; /* clear multicast bit */ -+ addr [0] |= 0x02; /* set local assignment bit (IEEE802) */ -+#endif - } - - static DEFINE_SPINLOCK(devices_lock); ---- a/kernel/umh.c -+++ b/kernel/umh.c -@@ -354,12 +354,12 @@ static void helper_unlock(void) - } - - int call_usermodehelper_stdoutpipe(struct subprocess_info *sub_info, -- struct file **filp) -+ struct file **filp) - { - struct file *f[2]; - - if (create_pipe_files(f, 0) < 0) -- return PTR_ERR(f); -+ return PTR_ERR(f); - - sub_info->stdout = f[1]; - *filp = f[0]; |