diff options
Diffstat (limited to 'meta-moblin/packages/linux/linux-moblin-2.6.27/0029-fastboot-make-fastboot-a-config-option.patch')
| -rw-r--r-- | meta-moblin/packages/linux/linux-moblin-2.6.27/0029-fastboot-make-fastboot-a-config-option.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/meta-moblin/packages/linux/linux-moblin-2.6.27/0029-fastboot-make-fastboot-a-config-option.patch b/meta-moblin/packages/linux/linux-moblin-2.6.27/0029-fastboot-make-fastboot-a-config-option.patch new file mode 100644 index 000000000..73b856372 --- /dev/null +++ b/meta-moblin/packages/linux/linux-moblin-2.6.27/0029-fastboot-make-fastboot-a-config-option.patch @@ -0,0 +1,53 @@ +From 50b6962016b824dfac254b8f36fc6cac301c8a8d Mon Sep 17 00:00:00 2001 +From: Arjan van de Ven <arjan@linux.intel.com> +Date: Sun, 20 Jul 2008 10:20:49 -0700 +Subject: [PATCH] fastboot: make fastboot a config option + +to mitigate the risks of async bootup, make fastboot a configuration +option... + +Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> +Signed-off-by: Ingo Molnar <mingo@elte.hu> +--- + init/Kconfig | 11 +++++++++++ + init/main.c | 4 ++++ + 2 files changed, 15 insertions(+) + +Index: linux-2.6.27/init/Kconfig +=================================================================== +--- linux-2.6.27.orig/init/Kconfig 2008-10-14 16:55:47.000000000 +0200 ++++ linux-2.6.27/init/Kconfig 2008-10-14 17:01:48.000000000 +0200 +@@ -524,6 +524,17 @@ config CC_OPTIMIZE_FOR_SIZE + + If unsure, say Y. + ++config FASTBOOT ++ bool "Fast boot support" ++ help ++ The fastboot option will cause the kernel to try to optimize ++ for faster boot. ++ ++ This includes doing some of the device initialization asynchronous ++ as well as opportunistically trying to mount the root fs early. ++ ++ If unsure, say N. ++ + config SYSCTL + bool + +Index: linux-2.6.27/init/main.c +=================================================================== +--- linux-2.6.27.orig/init/main.c 2008-10-14 17:01:42.000000000 +0200 ++++ linux-2.6.27/init/main.c 2008-10-14 17:01:48.000000000 +0200 +@@ -781,7 +781,11 @@ static void __init do_initcalls(void) + for (call = __early_initcall_end; call < __initcall_end; call++) { + if (phase == 0 && call >= __async_initcall_start) { + phase = 1; ++#ifdef CONFIG_FASTBOOT + queue_work(async_init_wq, &async_work); ++#else ++ do_async_initcalls(NULL); ++#endif + } + if (phase == 1 && call >= __async_initcall_end) + phase = 2; |