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authorLinus Torvalds <torvalds@linux-foundation.org>2017-02-22 10:20:04 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-22 10:20:04 -0800
commitff47d8c05019d6e7753cef270d6399cb5a33be57 (patch)
tree78eec48c53554902062f9a06b57a700d7671330e /arch/s390/kernel/os_info.c
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next (diff)
parents390/syscall: fix single stepped system calls (diff)
downloadlinux-dev-ff47d8c05019d6e7753cef270d6399cb5a33be57.tar.xz
linux-dev-ff47d8c05019d6e7753cef270d6399cb5a33be57.zip
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Martin Schwidefsky: - New entropy generation for the pseudo random number generator. - Early boot printk output via sclp to help debug crashes on boot. This needs to be enabled with a kernel parameter. - Add proper no-execute support with a bit in the page table entry. - Bug fixes and cleanups. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (65 commits) s390/syscall: fix single stepped system calls s390/zcrypt: make ap_bus explicitly non-modular s390/zcrypt: Removed unneeded debug feature directory creation. s390: add missing "do {} while (0)" loop constructs to multiline macros s390/mm: add cond_resched call to kernel page table dumper s390: get rid of MACHINE_HAS_PFMF and MACHINE_HAS_HPAGE s390/mm: make memory_block_size_bytes available for !MEMORY_HOTPLUG s390: replace ACCESS_ONCE with READ_ONCE s390: Audit and remove any remaining unnecessary uses of module.h s390: mm: Audit and remove any unnecessary uses of module.h s390: kernel: Audit and remove any unnecessary uses of module.h s390/kdump: Use "LINUX" ELF note name instead of "CORE" s390: add no-execute support s390: report new vector facilities s390: use correct input data address for setup_randomness s390/sclp: get rid of common response code handling s390/sclp: don't add new lines to each printed string s390/sclp: make early sclp code readable s390/sclp: disable early sclp code as soon as the base sclp driver is active s390/sclp: move early printk code to drivers ...
Diffstat (limited to 'arch/s390/kernel/os_info.c')
-rw-r--r--arch/s390/kernel/os_info.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/s390/kernel/os_info.c b/arch/s390/kernel/os_info.c
index 87f05e475ae8..753ba63182b9 100644
--- a/arch/s390/kernel/os_info.c
+++ b/arch/s390/kernel/os_info.c
@@ -26,7 +26,7 @@ static struct os_info os_info __page_aligned_data;
u32 os_info_csum(struct os_info *os_info)
{
int size = sizeof(*os_info) - offsetof(struct os_info, version_major);
- return csum_partial(&os_info->version_major, size, 0);
+ return (__force u32)csum_partial(&os_info->version_major, size, 0);
}
/*
@@ -46,7 +46,7 @@ void os_info_entry_add(int nr, void *ptr, u64 size)
{
os_info.entry[nr].addr = (u64)(unsigned long)ptr;
os_info.entry[nr].size = size;
- os_info.entry[nr].csum = csum_partial(ptr, size, 0);
+ os_info.entry[nr].csum = (__force u32)csum_partial(ptr, size, 0);
os_info.csum = os_info_csum(&os_info);
}
@@ -93,7 +93,7 @@ static void os_info_old_alloc(int nr, int align)
msg = "copy failed";
goto fail_free;
}
- csum = csum_partial(buf_align, size, 0);
+ csum = (__force u32)csum_partial(buf_align, size, 0);
if (csum != os_info_old->entry[nr].csum) {
msg = "checksum failed";
goto fail_free;