From: Dave C Boutcher <boutcher@cs.umn.edu>
Date: Fri, 3 Feb 2006 07:18:39 +0000 (-0600)
Subject: [PATCH] powerpc: prod all processors after ibm,suspend-me
X-Git-Tag: Ubuntu-snapdragon-4.4.0-1050.54~50224^2~13
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=82a4df74628a3bf0ac762be198b45e02a7c5879f;p=mirror_ubuntu-artful-kernel.git

[PATCH] powerpc: prod all processors after ibm,suspend-me

We need to prod everyone here since this is the only CPU that is
guaranteed to be running after the ibm,suspend-me RTAS call returns.

Signed-off-by: Dave Boutcher <sleddog@us.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
---

diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index f9b34e3ccf5a..0c6ed6d75b17 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -566,6 +566,7 @@ static int ibm_suspend_me_token = RTAS_UNKNOWN_SERVICE;
 #ifdef CONFIG_PPC_PSERIES
 static void rtas_percpu_suspend_me(void *info)
 {
+	int i;
 	long rc;
 	long flags;
 	struct rtas_suspend_me_data *data =
@@ -590,6 +591,8 @@ static void rtas_percpu_suspend_me(void *info)
 		data->waiting = 0;
 		data->args->args[data->args->nargs] =
 			rtas_call(ibm_suspend_me_token, 0, 1, NULL);
+		for_each_cpu(i)
+			plpar_hcall_norets(H_PROD,i);
 	} else {
 		data->waiting = -EBUSY;
 		printk(KERN_ERR "Error on H_Join hypervisor call\n");