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authorLinus Torvalds <torvalds@linux-foundation.org>2020-10-16 12:36:38 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-10-16 12:36:38 -0700
commit847d4287a0c6709fd1ce24002b96d404a6da8b5b (patch)
treed6725cb3381730e2ae2864bc5b1f417d5cb94096 /arch/s390/include/asm/pgtable.h
parentMerge tag 'powerpc-5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux (diff)
parents390/uaccess: fix indentation (diff)
downloadlinux-dev-847d4287a0c6709fd1ce24002b96d404a6da8b5b.tar.xz
linux-dev-847d4287a0c6709fd1ce24002b96d404a6da8b5b.zip
Merge tag 's390-5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Vasily Gorbik: - Remove address space overrides using set_fs() - Convert to generic vDSO - Convert to generic page table dumper - Add ARCH_HAS_DEBUG_WX support - Add leap seconds handling support - Add NVMe firmware-assisted kernel dump support - Extend NVMe boot support with memory clearing control and addition of kernel parameters - AP bus and zcrypt api code rework. Add adapter configure/deconfigure interface. Extend debug features. Add failure injection support - Add ECC secure private keys support - Add KASan support for running protected virtualization host with 4-level paging - Utilize destroy page ultravisor call to speed up secure guests shutdown - Implement ioremap_wc() and ioremap_prot() with MIO in PCI code - Various checksum improvements - Other small various fixes and improvements all over the code * tag 's390-5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (85 commits) s390/uaccess: fix indentation s390/uaccess: add default cases for __put_user_fn()/__get_user_fn() s390/zcrypt: fix wrong format specifications s390/kprobes: move insn_page to text segment s390/sie: fix typo in SIGP code description s390/lib: fix kernel doc for memcmp() s390/zcrypt: Introduce Failure Injection feature s390/zcrypt: move ap_msg param one level up the call chain s390/ap/zcrypt: revisit ap and zcrypt error handling s390/ap: Support AP card SCLP config and deconfig operations s390/sclp: Add support for SCLP AP adapter config/deconfig s390/ap: add card/queue deconfig state s390/ap: add error response code field for ap queue devices s390/ap: split ap queue state machine state from device state s390/zcrypt: New config switch CONFIG_ZCRYPT_DEBUG s390/zcrypt: introduce msg tracking in zcrypt functions s390/startup: correct early pgm check info formatting s390: remove orphaned extern variables declarations s390/kasan: make sure int handler always run with DAT on s390/ipl: add support to control memory clearing for nvme re-IPL ...
Diffstat (limited to 'arch/s390/include/asm/pgtable.h')
-rw-r--r--arch/s390/include/asm/pgtable.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index b55561cc8786..6b8d8c69b1a1 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -89,6 +89,7 @@ extern unsigned long VMALLOC_START;
extern unsigned long VMALLOC_END;
#define VMALLOC_DEFAULT_SIZE ((128UL << 30) - MODULES_LEN)
extern struct page *vmemmap;
+extern unsigned long vmemmap_size;
#define VMEM_MAX_PHYS ((unsigned long) vmemmap)
@@ -1186,6 +1187,12 @@ void gmap_pmdp_invalidate(struct mm_struct *mm, unsigned long vmaddr);
void gmap_pmdp_idte_local(struct mm_struct *mm, unsigned long vmaddr);
void gmap_pmdp_idte_global(struct mm_struct *mm, unsigned long vmaddr);
+#define pgprot_writecombine pgprot_writecombine
+pgprot_t pgprot_writecombine(pgprot_t prot);
+
+#define pgprot_writethrough pgprot_writethrough
+pgprot_t pgprot_writethrough(pgprot_t prot);
+
/*
* Certain architectures need to do special things when PTEs
* within a page table are directly modified. Thus, the following
@@ -1209,7 +1216,8 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
static inline pte_t mk_pte_phys(unsigned long physpage, pgprot_t pgprot)
{
pte_t __pte;
- pte_val(__pte) = physpage + pgprot_val(pgprot);
+
+ pte_val(__pte) = physpage | pgprot_val(pgprot);
if (!MACHINE_HAS_NX)
pte_val(__pte) &= ~_PAGE_NOEXEC;
return pte_mkyoung(__pte);