diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0526-x86-boot-Fix-kdump-cleanup-aborted-E820_PRAM-max_pfn.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0526-x86-boot-Fix-kdump-cleanup-aborted-E820_PRAM-max_pfn.patch | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0526-x86-boot-Fix-kdump-cleanup-aborted-E820_PRAM-max_pfn.patch b/target/linux/brcm2708/patches-4.4/0526-x86-boot-Fix-kdump-cleanup-aborted-E820_PRAM-max_pfn.patch deleted file mode 100644 index 87d3f6679c..0000000000 --- a/target/linux/brcm2708/patches-4.4/0526-x86-boot-Fix-kdump-cleanup-aborted-E820_PRAM-max_pfn.patch +++ /dev/null @@ -1,60 +0,0 @@ -From b52304556d4944be31e2c6784a78c69a7a8288f1 Mon Sep 17 00:00:00 2001 -From: Dan Williams <dan.j.williams@intel.com> -Date: Wed, 21 Sep 2016 12:50:45 -0700 -Subject: [PATCH] x86/boot: Fix kdump, cleanup aborted E820_PRAM max_pfn - manipulation - -commit 917db484dc6a69969d317b3e57add4208a8d9d42 upstream. - -In commit: - - ec776ef6bbe1 ("x86/mm: Add support for the non-standard protected e820 type") - -Christoph references the original patch I wrote implementing pmem support. -The intent of the 'max_pfn' changes in that commit were to enable persistent -memory ranges to be covered by the struct page memmap by default. - -However, that approach was abandoned when Christoph ported the patches [1], and -that functionality has since been replaced by devm_memremap_pages(). - -In the meantime, this max_pfn manipulation is confusing kdump [2] that -assumes that everything covered by the max_pfn is "System RAM". This -results in kdump hanging or crashing. - - [1]: https://lists.01.org/pipermail/linux-nvdimm/2015-March/000348.html - [2]: https://bugzilla.redhat.com/show_bug.cgi?id=1351098 - -So fix it. - -Reported-by: Zhang Yi <yizhan@redhat.com> -Reported-by: Jeff Moyer <jmoyer@redhat.com> -Tested-by: Zhang Yi <yizhan@redhat.com> -Signed-off-by: Dan Williams <dan.j.williams@intel.com> -Reviewed-by: Jeff Moyer <jmoyer@redhat.com> -Cc: Andrew Morton <akpm@linux-foundation.org> -Cc: Boaz Harrosh <boaz@plexistor.com> -Cc: Christoph Hellwig <hch@lst.de> -Cc: Linus Torvalds <torvalds@linux-foundation.org> -Cc: Peter Zijlstra <peterz@infradead.org> -Cc: Ross Zwisler <ross.zwisler@linux.intel.com> -Cc: Thomas Gleixner <tglx@linutronix.de> -Cc: linux-nvdimm@lists.01.org -Fixes: ec776ef6bbe1 ("x86/mm: Add support for the non-standard protected e820 type") -Link: http://lkml.kernel.org/r/147448744538.34910.11287693517367139607.stgit@dwillia2-desk3.amr.corp.intel.com -Signed-off-by: Ingo Molnar <mingo@kernel.org> -Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> ---- - arch/x86/kernel/e820.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - ---- a/arch/x86/kernel/e820.c -+++ b/arch/x86/kernel/e820.c -@@ -347,7 +347,7 @@ int __init sanitize_e820_map(struct e820 - * continue building up new bios map based on this - * information - */ -- if (current_type != last_type || current_type == E820_PRAM) { -+ if (current_type != last_type) { - if (last_type != 0) { - new_bios[new_bios_entry].size = - change_point[chgidx]->addr - last_addr; |