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authorLinus Torvalds <torvalds@linux-foundation.org>2018-08-26 11:25:21 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-26 11:25:21 -0700
commitd207ea8e74ff45be0838afa12bdd2492fa9dc8bc (patch)
tree97cfb3ed5c1bb42790e98e62b823526f61000b9f /fs
parent2a8a2b7c49d6eb5f3348892c4676267376cfd40b (diff)
parent66e5db4a1ccc64f278653bc69dc406d184dc750a (diff)
download96b-common-d207ea8e74ff45be0838afa12bdd2492fa9dc8bc.tar.gz
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Thomas Gleixner: "Kernel: - Improve kallsyms coverage - Add x86 entry trampolines to kcore - Fix ARM SPE handling - Correct PPC event post processing Tools: - Make the build system more robust - Small fixes and enhancements all over the place - Update kernel ABI header copies - Preparatory work for converting libtraceevnt to a shared library - License cleanups" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (100 commits) tools arch: Update arch/x86/lib/memcpy_64.S copy used in 'perf bench mem memcpy' tools arch x86: Update tools's copy of cpufeatures.h perf python: Fix pyrf_evlist__read_on_cpu() interface perf mmap: Store real cpu number in 'struct perf_mmap' perf tools: Remove ext from struct kmod_path perf tools: Add gzip_is_compressed function perf tools: Add lzma_is_compressed function perf tools: Add is_compressed callback to compressions array perf tools: Move the temp file processing into decompress_kmodule perf tools: Use compression id in decompress_kmodule() perf tools: Store compression id into struct dso perf tools: Add compression id into 'struct kmod_path' perf tools: Make is_supported_compression() static perf tools: Make decompress_to_file() function static perf tools: Get rid of dso__needs_decompress() call in __open_dso() perf tools: Get rid of dso__needs_decompress() call in symbol__disassemble() perf tools: Get rid of dso__needs_decompress() call in read_object_code() tools lib traceevent: Change to SPDX License format perf llvm: Allow passing options to llc in addition to clang perf parser: Improve error message for PMU address filters ...
Diffstat (limited to 'fs')
-rw-r--r--fs/proc/kcore.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c
index 80464432dfe6..ad72261ee3fe 100644
--- a/fs/proc/kcore.c
+++ b/fs/proc/kcore.c
@@ -359,8 +359,11 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos)
phdr->p_type = PT_LOAD;
phdr->p_flags = PF_R | PF_W | PF_X;
phdr->p_offset = kc_vaddr_to_offset(m->addr) + data_offset;
- phdr->p_vaddr = (size_t)m->addr;
- if (m->type == KCORE_RAM)
+ if (m->type == KCORE_REMAP)
+ phdr->p_vaddr = (size_t)m->vaddr;
+ else
+ phdr->p_vaddr = (size_t)m->addr;
+ if (m->type == KCORE_RAM || m->type == KCORE_REMAP)
phdr->p_paddr = __pa(m->addr);
else if (m->type == KCORE_TEXT)
phdr->p_paddr = __pa_symbol(m->addr);