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authorKernel Build Daemon <kbuild@suse.de>2019-07-06 12:02:11 +0200
committerKernel Build Daemon <kbuild@suse.de>2019-07-06 12:02:11 +0200
commited930a16e3a48886d55874d58bf5cfc9cad38105 (patch)
treeb1eb155f6b83415bfacd44c82fe41272cb14e002
parent4639681044121e443335bd14a48632e5ffb8c38e (diff)
Automatically updated to 5.2-rc7-79-g69bf4b6b54fb
-rw-r--r--MAINTAINERS1
-rw-r--r--arch/arm64/kvm/guest.c2
-rw-r--r--arch/x86/kvm/lapic.c2
-rw-r--r--arch/x86/kvm/vmx/nested.c30
-rw-r--r--arch/x86/kvm/x86.c6
-rw-r--r--drivers/mtd/nand/raw/ingenic/Kconfig2
-rw-r--r--drivers/mtd/nand/raw/ingenic/Makefile4
-rw-r--r--drivers/mtd/nand/raw/ingenic/ingenic_ecc.c9
-rw-r--r--drivers/mtd/nand/raw/ingenic/ingenic_nand_drv.c (renamed from drivers/mtd/nand/raw/ingenic/ingenic_nand.c)0
-rw-r--r--drivers/mtd/nand/raw/sunxi_nand.c40
-rw-r--r--drivers/mtd/nand/spi/gigadevice.c2
-rw-r--r--drivers/mtd/nand/spi/macronix.c4
-rw-r--r--fs/nfsd/nfs4state.c2
-rw-r--r--include/linux/pagemap.h13
-rw-r--r--mm/filemap.c146
-rw-r--r--mm/huge_memory.c3
-rw-r--r--mm/khugepaged.c4
-rw-r--r--mm/memfd.c2
-rw-r--r--mm/migrate.c2
-rw-r--r--mm/shmem.c2
-rw-r--r--mm/swap_state.c4
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_transport.c7
-rw-r--r--tools/testing/selftests/kvm/x86_64/evmcs_test.c1
23 files changed, 150 insertions, 138 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 01a52fc964da..f16e5d047912 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -15503,6 +15503,7 @@ F: drivers/dma/tegra*
TEGRA I2C DRIVER
M: Laxman Dewangan <ldewangan@nvidia.com>
+R: Dmitry Osipenko <digetx@gmail.com>
S: Supported
F: drivers/i2c/busses/i2c-tegra.c
diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c
index c2afa7982047..dfd626447482 100644
--- a/arch/arm64/kvm/guest.c
+++ b/arch/arm64/kvm/guest.c
@@ -208,7 +208,7 @@ out:
#define vq_word(vq) (((vq) - SVE_VQ_MIN) / 64)
#define vq_mask(vq) ((u64)1 << ((vq) - SVE_VQ_MIN) % 64)
-#define vq_present(vqs, vq) ((vqs)[vq_word(vq)] & vq_mask(vq))
+#define vq_present(vqs, vq) (!!((vqs)[vq_word(vq)] & vq_mask(vq)))
static int get_sve_vls(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg)
{
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index a21c440ff356..4dabc318adb8 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -2339,7 +2339,7 @@ int kvm_apic_has_interrupt(struct kvm_vcpu *vcpu)
struct kvm_lapic *apic = vcpu->arch.apic;
u32 ppr;
- if (!apic_enabled(apic))
+ if (!kvm_apic_hw_enabled(apic))
return -1;
__apic_update_ppr(apic, &ppr);
diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index 5f9c1a200201..46af3a5e9209 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -5240,9 +5240,6 @@ static int vmx_get_nested_state(struct kvm_vcpu *vcpu,
vmx = to_vmx(vcpu);
vmcs12 = get_vmcs12(vcpu);
- if (nested_vmx_allowed(vcpu) && vmx->nested.enlightened_vmcs_enabled)
- kvm_state.flags |= KVM_STATE_NESTED_EVMCS;
-
if (nested_vmx_allowed(vcpu) &&
(vmx->nested.vmxon || vmx->nested.smm.vmxon)) {
kvm_state.hdr.vmx.vmxon_pa = vmx->nested.vmxon_ptr;
@@ -5251,6 +5248,9 @@ static int vmx_get_nested_state(struct kvm_vcpu *vcpu,
if (vmx_has_valid_vmcs12(vcpu)) {
kvm_state.size += sizeof(user_vmx_nested_state->vmcs12);
+ if (vmx->nested.hv_evmcs)
+ kvm_state.flags |= KVM_STATE_NESTED_EVMCS;
+
if (is_guest_mode(vcpu) &&
nested_cpu_has_shadow_vmcs(vmcs12) &&
vmcs12->vmcs_link_pointer != -1ull)
@@ -5350,6 +5350,15 @@ static int vmx_set_nested_state(struct kvm_vcpu *vcpu,
if (kvm_state->hdr.vmx.vmcs12_pa != -1ull)
return -EINVAL;
+ /*
+ * KVM_STATE_NESTED_EVMCS used to signal that KVM should
+ * enable eVMCS capability on vCPU. However, since then
+ * code was changed such that flag signals vmcs12 should
+ * be copied into eVMCS in guest memory.
+ *
+ * To preserve backwards compatability, allow user
+ * to set this flag even when there is no VMXON region.
+ */
if (kvm_state->flags & ~KVM_STATE_NESTED_EVMCS)
return -EINVAL;
} else {
@@ -5358,7 +5367,7 @@ static int vmx_set_nested_state(struct kvm_vcpu *vcpu,
if (!page_address_valid(vcpu, kvm_state->hdr.vmx.vmxon_pa))
return -EINVAL;
- }
+ }
if ((kvm_state->hdr.vmx.smm.flags & KVM_STATE_NESTED_SMM_GUEST_MODE) &&
(kvm_state->flags & KVM_STATE_NESTED_GUEST_MODE))
@@ -5373,20 +5382,21 @@ static int vmx_set_nested_state(struct kvm_vcpu *vcpu,
* nor can VMLAUNCH/VMRESUME be pending. Outside SMM, SMM flags
* must be zero.
*/
- if (is_smm(vcpu) ? kvm_state->flags : kvm_state->hdr.vmx.smm.flags)
+ if (is_smm(vcpu) ?
+ (kvm_state->flags &
+ (KVM_STATE_NESTED_GUEST_MODE | KVM_STATE_NESTED_RUN_PENDING))
+ : kvm_state->hdr.vmx.smm.flags)
return -EINVAL;
if ((kvm_state->hdr.vmx.smm.flags & KVM_STATE_NESTED_SMM_GUEST_MODE) &&
!(kvm_state->hdr.vmx.smm.flags & KVM_STATE_NESTED_SMM_VMXON))
return -EINVAL;
- vmx_leave_nested(vcpu);
- if (kvm_state->flags & KVM_STATE_NESTED_EVMCS) {
- if (!nested_vmx_allowed(vcpu))
+ if ((kvm_state->flags & KVM_STATE_NESTED_EVMCS) &&
+ (!nested_vmx_allowed(vcpu) || !vmx->nested.enlightened_vmcs_enabled))
return -EINVAL;
- nested_enable_evmcs(vcpu, NULL);
- }
+ vmx_leave_nested(vcpu);
if (kvm_state->hdr.vmx.vmxon_pa == -1ull)
return 0;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 9857992d4e58..fafd81d2c9ea 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1554,7 +1554,7 @@ static int set_tsc_khz(struct kvm_vcpu *vcpu, u32 user_tsc_khz, bool scale)
vcpu->arch.tsc_always_catchup = 1;
return 0;
} else {
- WARN(1, "user requested TSC rate below hardware speed\n");
+ pr_warn_ratelimited("user requested TSC rate below hardware speed\n");
return -1;
}
}
@@ -1564,8 +1564,8 @@ static int set_tsc_khz(struct kvm_vcpu *vcpu, u32 user_tsc_khz, bool scale)
user_tsc_khz, tsc_khz);
if (ratio == 0 || ratio >= kvm_max_tsc_scaling_ratio) {
- WARN_ONCE(1, "Invalid TSC scaling ratio - virtual-tsc-khz=%u\n",
- user_tsc_khz);
+ pr_warn_ratelimited("Invalid TSC scaling ratio - virtual-tsc-khz=%u\n",
+ user_tsc_khz);
return -1;
}
diff --git a/drivers/mtd/nand/raw/ingenic/Kconfig b/drivers/mtd/nand/raw/ingenic/Kconfig
index 19a96ce515c1..66b7cffdb0c2 100644
--- a/drivers/mtd/nand/raw/ingenic/Kconfig
+++ b/drivers/mtd/nand/raw/ingenic/Kconfig
@@ -16,7 +16,7 @@ config MTD_NAND_JZ4780
if MTD_NAND_JZ4780
config MTD_NAND_INGENIC_ECC
- tristate
+ bool
config MTD_NAND_JZ4740_ECC
tristate "Hardware BCH support for JZ4740 SoC"
diff --git a/drivers/mtd/nand/raw/ingenic/Makefile b/drivers/mtd/nand/raw/ingenic/Makefile
index 1ac4f455baea..b63d36889263 100644
--- a/drivers/mtd/nand/raw/ingenic/Makefile
+++ b/drivers/mtd/nand/raw/ingenic/Makefile
@@ -2,7 +2,9 @@
obj-$(CONFIG_MTD_NAND_JZ4740) += jz4740_nand.o
obj-$(CONFIG_MTD_NAND_JZ4780) += ingenic_nand.o
-obj-$(CONFIG_MTD_NAND_INGENIC_ECC) += ingenic_ecc.o
+ingenic_nand-y += ingenic_nand_drv.o
+ingenic_nand-$(CONFIG_MTD_NAND_INGENIC_ECC) += ingenic_ecc.o
+
obj-$(CONFIG_MTD_NAND_JZ4740_ECC) += jz4740_ecc.o
obj-$(CONFIG_MTD_NAND_JZ4725B_BCH) += jz4725b_bch.o
obj-$(CONFIG_MTD_NAND_JZ4780_BCH) += jz4780_bch.o
diff --git a/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c b/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c
index d3e085c5685a..c954189606f6 100644
--- a/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c
+++ b/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c
@@ -30,7 +30,6 @@ int ingenic_ecc_calculate(struct ingenic_ecc *ecc,
{
return ecc->ops->calculate(ecc, params, buf, ecc_code);
}
-EXPORT_SYMBOL(ingenic_ecc_calculate);
/**
* ingenic_ecc_correct() - detect and correct bit errors
@@ -51,7 +50,6 @@ int ingenic_ecc_correct(struct ingenic_ecc *ecc,
{
return ecc->ops->correct(ecc, params, buf, ecc_code);
}
-EXPORT_SYMBOL(ingenic_ecc_correct);
/**
* ingenic_ecc_get() - get the ECC controller device
@@ -111,7 +109,6 @@ struct ingenic_ecc *of_ingenic_ecc_get(struct device_node *of_node)
}
return ecc;
}
-EXPORT_SYMBOL(of_ingenic_ecc_get);
/**
* ingenic_ecc_release() - release the ECC controller device
@@ -122,7 +119,6 @@ void ingenic_ecc_release(struct ingenic_ecc *ecc)
clk_disable_unprepare(ecc->clk);
put_device(ecc->dev);
}
-EXPORT_SYMBOL(ingenic_ecc_release);
int ingenic_ecc_probe(struct platform_device *pdev)
{
@@ -159,8 +155,3 @@ int ingenic_ecc_probe(struct platform_device *pdev)
return 0;
}
EXPORT_SYMBOL(ingenic_ecc_probe);
-
-MODULE_AUTHOR("Alex Smith <alex@alex-smith.me.uk>");
-MODULE_AUTHOR("Harvey Hunt <harveyhuntnexus@gmail.com>");
-MODULE_DESCRIPTION("Ingenic ECC common driver");
-MODULE_LICENSE("GPL v2");
diff --git a/drivers/mtd/nand/raw/ingenic/ingenic_nand.c b/drivers/mtd/nand/raw/ingenic/ingenic_nand_drv.c
index d7b7c0f13909..d7b7c0f13909 100644
--- a/drivers/mtd/nand/raw/ingenic/ingenic_nand.c
+++ b/drivers/mtd/nand/raw/ingenic/ingenic_nand_drv.c
diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi_nand.c
index b021a5720b42..89773293c64d 100644
--- a/drivers/mtd/nand/raw/sunxi_nand.c
+++ b/drivers/mtd/nand/raw/sunxi_nand.c
@@ -51,6 +51,7 @@
#define NFC_REG_USER_DATA(x) (0x0050 + ((x) * 4))
#define NFC_REG_SPARE_AREA 0x00A0
#define NFC_REG_PAT_ID 0x00A4
+#define NFC_REG_MDMA_CNT 0x00C4
#define NFC_RAM0_BASE 0x0400
#define NFC_RAM1_BASE 0x0800
@@ -69,6 +70,7 @@
#define NFC_PAGE_SHIFT(x) (((x) < 10 ? 0 : (x) - 10) << 8)
#define NFC_SAM BIT(12)
#define NFC_RAM_METHOD BIT(14)
+#define NFC_DMA_TYPE_NORMAL BIT(15)
#define NFC_DEBUG_CTL BIT(31)
/* define bit use in NFC_ST */
@@ -205,14 +207,13 @@ static inline struct sunxi_nand_chip *to_sunxi_nand(struct nand_chip *nand)
* NAND Controller capabilities structure: stores NAND controller capabilities
* for distinction between compatible strings.
*
- * @sram_through_ahb: On A23, we choose to access the internal RAM through AHB
- * instead of MBUS (less configuration). A10, A10s, A13 and
- * A20 use the MBUS but no extra configuration is needed.
+ * @extra_mbus_conf: Contrary to A10, A10s and A13, accessing internal RAM
+ * through MBUS on A23/A33 needs extra configuration.
* @reg_io_data: I/O data register
* @dma_maxburst: DMA maxburst
*/
struct sunxi_nfc_caps {
- bool sram_through_ahb;
+ bool extra_mbus_conf;
unsigned int reg_io_data;
unsigned int dma_maxburst;
};
@@ -368,28 +369,12 @@ static int sunxi_nfc_dma_op_prepare(struct sunxi_nfc *nfc, const void *buf,
goto err_unmap_buf;
}
- /*
- * On A23, we suppose the "internal RAM" (p.12 of the NFC user manual)
- * refers to the NAND controller's internal SRAM. This memory is mapped
- * and so is accessible from the AHB. It seems that it can also be
- * accessed by the MBUS. MBUS accesses are mandatory when using the
- * internal DMA instead of the external DMA engine.
- *
- * During DMA I/O operation, either we access this memory from the AHB
- * by clearing the NFC_RAM_METHOD bit, or we set the bit and use the
- * MBUS. In this case, we should also configure the MBUS DMA length
- * NFC_REG_MDMA_CNT(0xC4) to be chunksize * nchunks. NAND I/O over MBUS
- * are also limited to 32kiB pages.
- */
- if (nfc->caps->sram_through_ahb)
- writel(readl(nfc->regs + NFC_REG_CTL) & ~NFC_RAM_METHOD,
- nfc->regs + NFC_REG_CTL);
- else
- writel(readl(nfc->regs + NFC_REG_CTL) | NFC_RAM_METHOD,
- nfc->regs + NFC_REG_CTL);
-
+ writel(readl(nfc->regs + NFC_REG_CTL) | NFC_RAM_METHOD,
+ nfc->regs + NFC_REG_CTL);
writel(nchunks, nfc->regs + NFC_REG_SECTOR_NUM);
writel(chunksize, nfc->regs + NFC_REG_CNT);
+ if (nfc->caps->extra_mbus_conf)
+ writel(chunksize * nchunks, nfc->regs + NFC_REG_MDMA_CNT);
dmat = dmaengine_submit(dmad);
@@ -2151,6 +2136,11 @@ static int sunxi_nfc_probe(struct platform_device *pdev)
dmac_cfg.src_maxburst = nfc->caps->dma_maxburst;
dmac_cfg.dst_maxburst = nfc->caps->dma_maxburst;
dmaengine_slave_config(nfc->dmac, &dmac_cfg);
+
+ if (nfc->caps->extra_mbus_conf)
+ writel(readl(nfc->regs + NFC_REG_CTL) |
+ NFC_DMA_TYPE_NORMAL, nfc->regs + NFC_REG_CTL);
+
} else {
dev_warn(dev, "failed to request rxtx DMA channel\n");
}
@@ -2200,7 +2190,7 @@ static const struct sunxi_nfc_caps sunxi_nfc_a10_caps = {
};
static const struct sunxi_nfc_caps sunxi_nfc_a23_caps = {
- .sram_through_ahb = true,
+ .extra_mbus_conf = true,
.reg_io_data = NFC_REG_A23_IO_DATA,
.dma_maxburst = 8,
};
diff --git a/drivers/mtd/nand/spi/gigadevice.c b/drivers/mtd/nand/spi/gigadevice.c
index e5586390026a..e6c646007cda 100644
--- a/drivers/mtd/nand/spi/gigadevice.c
+++ b/drivers/mtd/nand/spi/gigadevice.c
@@ -180,7 +180,7 @@ static const struct spinand_info gigadevice_spinand_table[] = {
SPINAND_ECCINFO(&gd5fxgq4xa_ooblayout,
gd5fxgq4xa_ecc_get_status)),
SPINAND_INFO("GD5F4GQ4xA", 0xF4,
- NAND_MEMORG(1, 2048, 64, 64, 4096, 40, 1, 1, 1),
+ NAND_MEMORG(1, 2048, 64, 64, 4096, 80, 1, 1, 1),
NAND_ECCREQ(8, 512),
SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
&write_cache_variants,
diff --git a/drivers/mtd/nand/spi/macronix.c b/drivers/mtd/nand/spi/macronix.c
index 6502727049a8..21def3f8fb36 100644
--- a/drivers/mtd/nand/spi/macronix.c
+++ b/drivers/mtd/nand/spi/macronix.c
@@ -100,7 +100,7 @@ static int mx35lf1ge4ab_ecc_get_status(struct spinand_device *spinand,
static const struct spinand_info macronix_spinand_table[] = {
SPINAND_INFO("MX35LF1GE4AB", 0x12,
- NAND_MEMORG(1, 2048, 64, 64, 1024, 40, 1, 1, 1),
+ NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
NAND_ECCREQ(4, 512),
SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
&write_cache_variants,
@@ -109,7 +109,7 @@ static const struct spinand_info macronix_spinand_table[] = {
SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
mx35lf1ge4ab_ecc_get_status)),
SPINAND_INFO("MX35LF2GE4AB", 0x22,
- NAND_MEMORG(1, 2048, 64, 64, 2048, 20, 2, 1, 1),
+ NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 2, 1, 1),
NAND_ECCREQ(4, 512),
SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
&write_cache_variants,
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 618e66078ee5..1a0cdeb3b875 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1563,7 +1563,7 @@ static u32 nfsd4_get_drc_mem(struct nfsd4_channel_attrs *ca)
* Never use more than a third of the remaining memory,
* unless it's the only way to give this client a slot:
*/
- avail = clamp_t(int, avail, slotsize, total_avail/3);
+ avail = clamp_t(unsigned long, avail, slotsize, total_avail/3);
num = min_t(int, num, avail / slotsize);
nfsd_drc_mem_used += num * slotsize;
spin_unlock(&nfsd_drc_lock);
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 9ec3544baee2..fe0b29bf2df7 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -333,19 +333,6 @@ static inline struct page *grab_cache_page_nowait(struct address_space *mapping,
mapping_gfp_mask(mapping));
}
-static inline struct page *find_subpage(struct page *page, pgoff_t offset)
-{
- unsigned long mask;
-
- if (PageHuge(page))
- return page;
-
- VM_BUG_ON_PAGE(PageTail(page), page);
-
- mask = (1UL << compound_order(page)) - 1;
- return page + (offset & mask);
-}
-
struct page *find_get_entry(struct address_space *mapping, pgoff_t offset);
struct page *find_lock_entry(struct address_space *mapping, pgoff_t offset);
unsigned find_get_entries(struct address_space *mapping, pgoff_t start,
diff --git a/mm/filemap.c b/mm/filemap.c
index df2006ba0cfa..6dd9a2274c80 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -281,11 +281,11 @@ EXPORT_SYMBOL(delete_from_page_cache);
* @pvec: pagevec with pages to delete
*
* The function walks over mapping->i_pages and removes pages passed in @pvec
- * from the mapping. The function expects @pvec to be sorted by page index
- * and is optimised for it to be dense.
+ * from the mapping. The function expects @pvec to be sorted by page index.
* It tolerates holes in @pvec (mapping entries at those indices are not
* modified). The function expects only THP head pages to be present in the
- * @pvec.
+ * @pvec and takes care to delete all corresponding tail pages from the
+ * mapping as well.
*
* The function expects the i_pages lock to be held.
*/
@@ -294,44 +294,40 @@ static void page_cache_delete_batch(struct address_space *mapping,
{
XA_STATE(xas, &mapping->i_pages, pvec->pages[0]->index);
int total_pages = 0;
- int i = 0;
+ int i = 0, tail_pages = 0;
struct page *page;
mapping_set_update(&xas, mapping);
xas_for_each(&xas, page, ULONG_MAX) {
- if (i >= pagevec_count(pvec))
+ if (i >= pagevec_count(pvec) && !tail_pages)
break;
-
- /* A swap/dax/shadow entry got inserted? Skip it. */
if (xa_is_value(page))
continue;
- /*
- * A page got inserted in our range? Skip it. We have our
- * pages locked so they are protected from being removed.
- * If we see a page whose index is higher than ours, it
- * means our page has been removed, which shouldn't be
- * possible because we're holding the PageLock.
- */
- if (page != pvec->pages[i]) {
- VM_BUG_ON_PAGE(page->index > pvec->pages[i]->index,
- page);
- continue;
- }
-
- WARN_ON_ONCE(!PageLocked(page));
-
- if (page->index == xas.xa_index)
+ if (!tail_pages) {
+ /*
+ * Some page got inserted in our range? Skip it. We
+ * have our pages locked so they are protected from
+ * being removed.
+ */
+ if (page != pvec->pages[i]) {
+ VM_BUG_ON_PAGE(page->index >
+ pvec->pages[i]->index, page);
+ continue;
+ }
+ WARN_ON_ONCE(!PageLocked(page));
+ if (PageTransHuge(page) && !PageHuge(page))
+ tail_pages = HPAGE_PMD_NR - 1;
page->mapping = NULL;
- /* Leave page->index set: truncation lookup relies on it */
-
- /*
- * Move to the next page in the vector if this is a regular
- * page or the index is of the last sub-page of this compound
- * page.
- */
- if (page->index + (1UL << compound_order(page)) - 1 ==
- xas.xa_index)
+ /*
+ * Leave page->index set: truncation lookup relies
+ * upon it
+ */
i++;
+ } else {
+ VM_BUG_ON_PAGE(page->index + HPAGE_PMD_NR - tail_pages
+ != pvec->pages[i]->index, page);
+ tail_pages--;
+ }
xas_store(&xas, NULL);
total_pages++;
}
@@ -1498,7 +1494,7 @@ EXPORT_SYMBOL(page_cache_prev_miss);
struct page *find_get_entry(struct address_space *mapping, pgoff_t offset)
{
XA_STATE(xas, &mapping->i_pages, offset);
- struct page *page;
+ struct page *head, *page;
rcu_read_lock();
repeat:
@@ -1513,19 +1509,25 @@ repeat:
if (!page || xa_is_value(page))
goto out;
- if (!page_cache_get_speculative(page))
+ head = compound_head(page);
+ if (!page_cache_get_speculative(head))
+ goto repeat;
+
+ /* The page was split under us? */
+ if (compound_head(page) != head) {
+ put_page(head);
goto repeat;
+ }
/*
- * Has the page moved or been split?
+ * Has the page moved?
* This is part of the lockless pagecache protocol. See
* include/linux/pagemap.h for details.
*/
if (unlikely(page != xas_reload(&xas))) {
- put_page(page);
+ put_page(head);
goto repeat;
}
- page = find_subpage(page, offset);
out:
rcu_read_unlock();
@@ -1707,6 +1709,7 @@ unsigned find_get_entries(struct address_space *mapping,
rcu_read_lock();
xas_for_each(&xas, page, ULONG_MAX) {
+ struct page *head;
if (xas_retry(&xas, page))
continue;
/*
@@ -1717,13 +1720,17 @@ unsigned find_get_entries(struct address_space *mapping,
if (xa_is_value(page))
goto export;
- if (!page_cache_get_speculative(page))
+ head = compound_head(page);
+ if (!page_cache_get_speculative(head))
goto retry;
- /* Has the page moved or been split? */
+ /* The page was split under us? */
+ if (compound_head(page) != head)
+ goto put_page;
+
+ /* Has the page moved? */
if (unlikely(page != xas_reload(&xas)))
goto put_page;
- page = find_subpage(page, xas.xa_index);
export:
indices[ret] = xas.xa_index;
@@ -1732,7 +1739,7 @@ export:
break;
continue;
put_page:
- put_page(page);
+ put_page(head);
retry:
xas_reset(&xas);
}
@@ -1774,27 +1781,33 @@ unsigned find_get_pages_range(struct address_space *mapping, pgoff_t *start,
rcu_read_lock();
xas_for_each(&xas, page, end) {
+ struct page *head;
if (xas_retry(&xas, page))
continue;
/* Skip over shadow, swap and DAX entries */
if (xa_is_value(page))
continue;
- if (!page_cache_get_speculative(page))
+ head = compound_head(page);
+ if (!page_cache_get_speculative(head))
goto retry;
- /* Has the page moved or been split? */
+ /* The page was split under us? */
+ if (compound_head(page) != head)
+ goto put_page;
+
+ /* Has the page moved? */
if (unlikely(page != xas_reload(&xas)))
goto put_page;
- pages[ret] = find_subpage(page, xas.xa_index);
+ pages[ret] = page;
if (++ret == nr_pages) {
*start = xas.xa_index + 1;
goto out;
}
continue;
put_page:
- put_page(page);
+ put_page(head);
retry:
xas_reset(&xas);
}
@@ -1839,6 +1852,7 @@ unsigned find_get_pages_contig(struct address_space *mapping, pgoff_t index,
rcu_read_lock();
for (page = xas_load(&xas); page; page = xas_next(&xas)) {
+ struct page *head;
if (xas_retry(&xas, page))
continue;
/*
@@ -1848,19 +1862,24 @@ unsigned find_get_pages_contig(struct address_space *mapping, pgoff_t index,
if (xa_is_value(page))
break;
- if (!page_cache_get_speculative(page))
+ head = compound_head(page);
+ if (!page_cache_get_speculative(head))
goto retry;
- /* Has the page moved or been split? */
+ /* The page was split under us? */
+ if (compound_head(page) != head)
+ goto put_page;
+
+ /* Has the page moved? */
if (unlikely(page != xas_reload(&xas)))
goto put_page;
- pages[ret] = find_subpage(page, xas.xa_index);
+ pages[ret] = page;
if (++ret == nr_pages)
break;
continue;
put_page:
- put_page(page);
+ put_page(head);
retry:
xas_reset(&xas);
}
@@ -1896,6 +1915,7 @@ unsigned find_get_pages_range_tag(struct address_space *mapping, pgoff_t *index,
rcu_read_lock();
xas_for_each_marked(&xas, page, end, tag) {
+ struct page *head;
if (xas_retry(&xas, page))
continue;
/*
@@ -1906,21 +1926,26 @@ unsigned find_get_pages_range_tag(struct address_space *mapping, pgoff_t *index,
if (xa_is_value(page))
continue;
- if (!page_cache_get_speculative(page))
+ head = compound_head(page);
+ if (!page_cache_get_speculative(head))
goto retry;
- /* Has the page moved or been split? */
+ /* The page was split under us? */
+ if (compound_head(page) != head)
+ goto put_page;
+
+ /* Has the page moved? */
if (unlikely(page != xas_reload(&xas)))
goto put_page;
- pages[ret] = find_subpage(page, xas.xa_index);
+ pages[ret] = page;
if (++ret == nr_pages) {
*index = xas.xa_index + 1;
goto out;
}
continue;
put_page:
- put_page(page);
+ put_page(head);
retry:
xas_reset(&xas);
}
@@ -2603,7 +2628,7 @@ void filemap_map_pages(struct vm_fault *vmf,
pgoff_t last_pgoff = start_pgoff;
unsigned long max_idx;
XA_STATE(xas, &mapping->i_pages, start_pgoff);
- struct page *page;
+ struct page *head, *page;
rcu_read_lock();
xas_for_each(&xas, page, end_pgoff) {
@@ -2612,19 +2637,24 @@ void filemap_map_pages(struct vm_fault *vmf,
if (xa_is_value(page))
goto next;
+ head = compound_head(page);
+
/*
* Check for a locked page first, as a speculative
* reference may adversely influence page migration.
*/
- if (PageLocked(page))
+ if (PageLocked(head))
goto next;
- if (!page_cache_get_speculative(page))
+ if (!page_cache_get_speculative(head))
goto next;
- /* Has the page moved or been split? */
+ /* The page was split under us? */
+ if (compound_head(page) != head)
+ goto skip;
+
+ /* Has the page moved? */
if (unlikely(page != xas_reload(&xas)))
goto skip;
- page = find_subpage(page, xas.xa_index);
if (!PageUptodate(page) ||
PageReadahead(page) ||
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index bb8b617e34ed..885642c82aaa 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2496,9 +2496,6 @@ static void __split_huge_page(struct page *page, struct list_head *list,
if (IS_ENABLED(CONFIG_SHMEM) && PageSwapBacked(head))
shmem_uncharge(head->mapping->host, 1);
put_page(head + i);
- } else if (!PageAnon(page)) {
- __xa_store(&head->mapping->i_pages, head[i].index,
- head + i, 0);
}
}
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 0f7419938008..eaaa21b23215 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -1378,7 +1378,7 @@ static void collapse_shmem(struct mm_struct *mm,
result = SCAN_FAIL;
goto xa_locked;
}
- xas_store(&xas, new_page);
+ xas_store(&xas, new_page + (index % HPAGE_PMD_NR));
nr_none++;
continue;
}
@@ -1454,7 +1454,7 @@ static void collapse_shmem(struct mm_struct *mm,
list_add_tail(&page->lru, &pagelist);
/* Finally, replace with the new page. */
- xas_store(&xas, new_page);
+ xas_store(&xas, new_page + (index % HPAGE_PMD_NR));
continue;
out_unlock:
unlock_page(page);
diff --git a/mm/memfd.c b/mm/memfd.c
index 2647c898990c..650e65a46b9c 100644
--- a/mm/memfd.c
+++ b/mm/memfd.c
@@ -39,7 +39,6 @@ static void memfd_tag_pins(struct xa_state *xas)
xas_for_each(xas, page, ULONG_MAX) {
if (xa_is_value(page))
continue;
- page = find_subpage(page, xas->xa_index);
if (page_count(page) - page_mapcount(page) > 1)
xas_set_mark(xas, MEMFD_TAG_PINNED);
@@ -89,7 +88,6 @@ static int memfd_wait_for_pins(struct address_space *mapping)
bool clear = true;
if (xa_is_value(page))
continue;
- page = find_subpage(page, xas.xa_index);
if (page_count(page) - page_mapcount(page) != 1) {
/*
* On the last scan, we clean up all those tags
diff --git a/mm/migrate.c b/mm/migrate.c
index f2ecc2855a12..e9594bc0d406 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -463,7 +463,7 @@ int migrate_page_move_mapping(struct address_space *mapping,
for (i = 1; i < HPAGE_PMD_NR; i++) {
xas_next(&xas);
- xas_store(&xas, newpage);
+ xas_store(&xas, newpage + i);
}
}
diff --git a/mm/shmem.c b/mm/shmem.c
index 1bb3b8dc8bb2..f4dce9c8670d 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -614,7 +614,7 @@ static int shmem_add_to_page_cache(struct page *page,
if (xas_error(&xas))
goto unlock;
next:
- xas_store(&xas, page);
+ xas_store(&xas, page + i);
if (++i < nr) {
xas_next(&xas);
goto next;
diff --git a/mm/swap_state.c b/mm/swap_state.c
index eb714165afd2..85245fdec8d9 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -132,7 +132,7 @@ int add_to_swap_cache(struct page *page, swp_entry_t entry, gfp_t gfp)
for (i = 0; i < nr; i++) {
VM_BUG_ON_PAGE(xas.xa_index != idx + i, page);
set_page_private(page + i, entry.val + i);
- xas_store(&xas, page);
+ xas_store(&xas, page + i);
xas_next(&xas);
}
address_space->nrpages += nr;
@@ -167,7 +167,7 @@ void __delete_from_swap_cache(struct page *page, swp_entry_t entry)
for (i = 0; i < nr; i++) {
void *entry = xas_store(&xas, NULL);
- VM_BUG_ON_PAGE(entry != page, entry);
+ VM_BUG_ON_PAGE(entry != page + i, entry);
set_page_private(page + i, 0);
xas_next(&xas);
}
diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index 027a3b07d329..0004535c0188 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -211,9 +211,14 @@ static void handle_connect_req(struct rdma_cm_id *new_cma_id,
/* Save client advertised inbound read limit for use later in accept. */
newxprt->sc_ord = param->initiator_depth;
- /* Set the local and remote addresses in the transport */
sa = (struct sockaddr *)&newxprt->sc_cm_id->route.addr.dst_addr;
svc_xprt_set_remote(&newxprt->sc_xprt, sa, svc_addr_len(sa));
+ /* The remote port is arbitrary and not under the control of the
+ * client ULP. Set it to a fixed value so that the DRC continues
+ * to be effective after a reconnect.
+ */
+ rpc_set_port((struct sockaddr *)&newxprt->sc_xprt.xpt_remote, 0);
+
sa = (struct sockaddr *)&newxprt->sc_cm_id->route.addr.src_addr;
svc_xprt_set_local(&newxprt->sc_xprt, sa, svc_addr_len(sa));
diff --git a/tools/testing/selftests/kvm/x86_64/evmcs_test.c b/tools/testing/selftests/kvm/x86_64/evmcs_test.c
index b38260e29775..241919ef1eac 100644
--- a/tools/testing/selftests/kvm/x86_64/evmcs_test.c
+++ b/tools/testing/selftests/kvm/x86_64/evmcs_test.c
@@ -146,6 +146,7 @@ int main(int argc, char *argv[])
kvm_vm_restart(vm, O_RDWR);
vm_vcpu_add(vm, VCPU_ID, 0, 0);
vcpu_set_cpuid(vm, VCPU_ID, kvm_get_supported_cpuid());
+ vcpu_ioctl(vm, VCPU_ID, KVM_ENABLE_CAP, &enable_evmcs_cap);
vcpu_load_state(vm, VCPU_ID, state);
run = vcpu_state(vm, VCPU_ID);
free(state);