diff for duplicates of <20120423070935.GH30752@lizard> diff --git a/a/1.txt b/N1/1.txt index 00657d7..d52e43a 100644 --- a/a/1.txt +++ b/N1/1.txt @@ -20,7 +20,7 @@ index 66d754c..1411f4e 100644 read_lock(&tasklist_lock); for_each_process(p) { -- if (p->mm = NULL) +- if (p->mm == NULL) + task_lock(p); + if (!p->mm) { + task_unlock(p); diff --git a/a/content_digest b/N1/content_digest index 1c5a9e4..be80813 100644 --- a/a/content_digest +++ b/N1/content_digest @@ -1,8 +1,26 @@ "ref\020120423070641.GA27702@lizard\0" "From\0Anton Vorontsov <anton.vorontsov@linaro.org>\0" "Subject\0[PATCH 8/9] um: Fix possible race on task->mm\0" - "Date\0Mon, 23 Apr 2012 07:09:35 +0000\0" - "To\0linux-arm-kernel@lists.infradead.org\0" + "Date\0Mon, 23 Apr 2012 00:09:35 -0700\0" + "To\0Andrew Morton <akpm@linux-foundation.org>" + " Oleg Nesterov <oleg@redhat.com>\0" + "Cc\0Russell King <linux@arm.linux.org.uk>" + Mike Frysinger <vapier@gentoo.org> + Benjamin Herrenschmidt <benh@kernel.crashing.org> + Richard Weinberger <richard@nod.at> + Paul Mundt <lethal@linux-sh.org> + Peter Zijlstra <a.p.zijlstra@chello.nl> + KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> + John Stultz <john.stultz@linaro.org> + linux-arm-kernel@lists.infradead.org + linux-kernel@vger.kernel.org + uclinux-dist-devel@blackfin.uclinux.org + linuxppc-dev@lists.ozlabs.org + linux-sh@vger.kernel.org + user-mode-linux-devel@lists.sourceforge.net + linaro-kernel@lists.linaro.org + patches@linaro.org + " linux-mm@kvack.org\0" "\00:1\0" "b\0" "Checking for task->mm is dangerous as ->mm might disappear (exit_mm()\n" @@ -27,7 +45,7 @@ " \n" " \t\tread_lock(&tasklist_lock);\n" " \t\tfor_each_process(p) {\n" - "-\t\t\tif (p->mm = NULL)\n" + "-\t\t\tif (p->mm == NULL)\n" "+\t\t\ttask_lock(p);\n" "+\t\t\tif (!p->mm) {\n" "+\t\t\t\ttask_unlock(p);\n" @@ -42,4 +60,4 @@ "-- \n" 1.7.9.2 -abb0f976cf6a2ae73fa13c3c7ea8a98f8cda92f2d5e648159c63f357a0b7d09f +5582adf8ed2089325a480aac01de0db3c131f6d92657a3044ba0911a81c3cb5f
diff --git a/a/1.txt b/N2/1.txt index 00657d7..d52e43a 100644 --- a/a/1.txt +++ b/N2/1.txt @@ -20,7 +20,7 @@ index 66d754c..1411f4e 100644 read_lock(&tasklist_lock); for_each_process(p) { -- if (p->mm = NULL) +- if (p->mm == NULL) + task_lock(p); + if (!p->mm) { + task_unlock(p); diff --git a/a/content_digest b/N2/content_digest index 1c5a9e4..0faeb13 100644 --- a/a/content_digest +++ b/N2/content_digest @@ -1,8 +1,25 @@ "ref\020120423070641.GA27702@lizard\0" "From\0Anton Vorontsov <anton.vorontsov@linaro.org>\0" "Subject\0[PATCH 8/9] um: Fix possible race on task->mm\0" - "Date\0Mon, 23 Apr 2012 07:09:35 +0000\0" - "To\0linux-arm-kernel@lists.infradead.org\0" + "Date\0Mon, 23 Apr 2012 00:09:35 -0700\0" + "To\0Andrew Morton <akpm@linux-foundation.org>" + " Oleg Nesterov <oleg@redhat.com>\0" + "Cc\0linaro-kernel@lists.linaro.org" + Mike Frysinger <vapier@gentoo.org> + Peter Zijlstra <a.p.zijlstra@chello.nl> + user-mode-linux-devel@lists.sourceforge.net + linux-sh@vger.kernel.org + Richard Weinberger <richard@nod.at> + patches@linaro.org + linux-kernel@vger.kernel.org + uclinux-dist-devel@blackfin.uclinux.org + linux-mm@kvack.org + Paul Mundt <lethal@linux-sh.org> + John Stultz <john.stultz@linaro.org> + KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> + Russell King <linux@arm.linux.org.uk> + linuxppc-dev@lists.ozlabs.org + " linux-arm-kernel@lists.infradead.org\0" "\00:1\0" "b\0" "Checking for task->mm is dangerous as ->mm might disappear (exit_mm()\n" @@ -27,7 +44,7 @@ " \n" " \t\tread_lock(&tasklist_lock);\n" " \t\tfor_each_process(p) {\n" - "-\t\t\tif (p->mm = NULL)\n" + "-\t\t\tif (p->mm == NULL)\n" "+\t\t\ttask_lock(p);\n" "+\t\t\tif (!p->mm) {\n" "+\t\t\t\ttask_unlock(p);\n" @@ -42,4 +59,4 @@ "-- \n" 1.7.9.2 -abb0f976cf6a2ae73fa13c3c7ea8a98f8cda92f2d5e648159c63f357a0b7d09f +983a4011bb5782edf0bc054d78c6467089a61c0c7ecc7f675b5f9eee69923e1f
diff --git a/a/1.txt b/N3/1.txt index 00657d7..d52e43a 100644 --- a/a/1.txt +++ b/N3/1.txt @@ -20,7 +20,7 @@ index 66d754c..1411f4e 100644 read_lock(&tasklist_lock); for_each_process(p) { -- if (p->mm = NULL) +- if (p->mm == NULL) + task_lock(p); + if (!p->mm) { + task_unlock(p); diff --git a/a/content_digest b/N3/content_digest index 1c5a9e4..7f8e980 100644 --- a/a/content_digest +++ b/N3/content_digest @@ -1,7 +1,7 @@ "ref\020120423070641.GA27702@lizard\0" - "From\0Anton Vorontsov <anton.vorontsov@linaro.org>\0" + "From\0anton.vorontsov@linaro.org (Anton Vorontsov)\0" "Subject\0[PATCH 8/9] um: Fix possible race on task->mm\0" - "Date\0Mon, 23 Apr 2012 07:09:35 +0000\0" + "Date\0Mon, 23 Apr 2012 00:09:35 -0700\0" "To\0linux-arm-kernel@lists.infradead.org\0" "\00:1\0" "b\0" @@ -27,7 +27,7 @@ " \n" " \t\tread_lock(&tasklist_lock);\n" " \t\tfor_each_process(p) {\n" - "-\t\t\tif (p->mm = NULL)\n" + "-\t\t\tif (p->mm == NULL)\n" "+\t\t\ttask_lock(p);\n" "+\t\t\tif (!p->mm) {\n" "+\t\t\t\ttask_unlock(p);\n" @@ -42,4 +42,4 @@ "-- \n" 1.7.9.2 -abb0f976cf6a2ae73fa13c3c7ea8a98f8cda92f2d5e648159c63f357a0b7d09f +9430831c7bafcc3f3105007a80919010eced1e68815ce75f20baaa81e8d46f15
diff --git a/a/1.txt b/N4/1.txt index 00657d7..fba3fc1 100644 --- a/a/1.txt +++ b/N4/1.txt @@ -20,7 +20,7 @@ index 66d754c..1411f4e 100644 read_lock(&tasklist_lock); for_each_process(p) { -- if (p->mm = NULL) +- if (p->mm == NULL) + task_lock(p); + if (!p->mm) { + task_unlock(p); @@ -34,3 +34,10 @@ index 66d754c..1411f4e 100644 read_unlock(&tasklist_lock); -- 1.7.9.2 + +-- +To unsubscribe, send a message with 'unsubscribe linux-mm' in +the body to majordomo@kvack.org. For more info on Linux MM, +see: http://www.linux-mm.org/ . +Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ +Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a> diff --git a/a/content_digest b/N4/content_digest index 1c5a9e4..1ab95aa 100644 --- a/a/content_digest +++ b/N4/content_digest @@ -1,8 +1,26 @@ "ref\020120423070641.GA27702@lizard\0" "From\0Anton Vorontsov <anton.vorontsov@linaro.org>\0" "Subject\0[PATCH 8/9] um: Fix possible race on task->mm\0" - "Date\0Mon, 23 Apr 2012 07:09:35 +0000\0" - "To\0linux-arm-kernel@lists.infradead.org\0" + "Date\0Mon, 23 Apr 2012 00:09:35 -0700\0" + "To\0Andrew Morton <akpm@linux-foundation.org>" + " Oleg Nesterov <oleg@redhat.com>\0" + "Cc\0Russell King <linux@arm.linux.org.uk>" + Mike Frysinger <vapier@gentoo.org> + Benjamin Herrenschmidt <benh@kernel.crashing.org> + Richard Weinberger <richard@nod.at> + Paul Mundt <lethal@linux-sh.org> + Peter Zijlstra <a.p.zijlstra@chello.nl> + KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> + John Stultz <john.stultz@linaro.org> + linux-arm-kernel@lists.infradead.org + linux-kernel@vger.kernel.org + uclinux-dist-devel@blackfin.uclinux.org + linuxppc-dev@lists.ozlabs.org + linux-sh@vger.kernel.org + user-mode-linux-devel@lists.sourceforge.net + linaro-kernel@lists.linaro.org + patches@linaro.org + " linux-mm@kvack.org\0" "\00:1\0" "b\0" "Checking for task->mm is dangerous as ->mm might disappear (exit_mm()\n" @@ -27,7 +45,7 @@ " \n" " \t\tread_lock(&tasklist_lock);\n" " \t\tfor_each_process(p) {\n" - "-\t\t\tif (p->mm = NULL)\n" + "-\t\t\tif (p->mm == NULL)\n" "+\t\t\ttask_lock(p);\n" "+\t\t\tif (!p->mm) {\n" "+\t\t\t\ttask_unlock(p);\n" @@ -40,6 +58,13 @@ " \t\t}\n" " \t\tread_unlock(&tasklist_lock);\n" "-- \n" - 1.7.9.2 + "1.7.9.2\n" + "\n" + "--\n" + "To unsubscribe, send a message with 'unsubscribe linux-mm' in\n" + "the body to majordomo@kvack.org. For more info on Linux MM,\n" + "see: http://www.linux-mm.org/ .\n" + "Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/\n" + "Don't email: <a href=mailto:\"dont@kvack.org\"> email@kvack.org </a>" -abb0f976cf6a2ae73fa13c3c7ea8a98f8cda92f2d5e648159c63f357a0b7d09f +e74581b6d778f28f8dff6e891b9e6690f67248634ac239922d2d361f28a68f6f
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