- 27 2月, 2014 1 次提交
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由 Michael Mueller 提交于
A vcpu is defined to be runnable if an interrupt is pending. Signed-off-by: NMichael Mueller <mimu@linux.vnet.ibm.com> Reviewed-by: NChristian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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- 26 2月, 2014 3 次提交
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由 Marcelo Tosatti 提交于
emulator_cmpxchg_emulated writes to guest memory, therefore it should update the dirty bitmap accordingly. Signed-off-by: NMarcelo Tosatti <mtosatti@redhat.com> Reviewed-by: NXiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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由 Liu, Jinsong 提交于
From 44c2abca2c2eadc6f2f752b66de4acc8131880c4 Mon Sep 17 00:00:00 2001 From: Liu Jinsong <jinsong.liu@intel.com> Date: Mon, 24 Feb 2014 18:12:31 +0800 Subject: [PATCH v5 3/3] KVM: x86: Enable Intel MPX for guest This patch enable Intel MPX feature to guest. Signed-off-by: NXudong Hao <xudong.hao@intel.com> Signed-off-by: NLiu Jinsong <jinsong.liu@intel.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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由 Liu, Jinsong 提交于
From 5d5a80cd172ea6fb51786369bcc23356b1e9e956 Mon Sep 17 00:00:00 2001 From: Liu Jinsong <jinsong.liu@intel.com> Date: Mon, 24 Feb 2014 18:11:55 +0800 Subject: [PATCH v5 2/3] KVM: x86: add MSR_IA32_BNDCFGS to msrs_to_save Add MSR_IA32_BNDCFGS to msrs_to_save, and corresponding logic to kvm_get/set_msr(). Signed-off-by: NLiu Jinsong <jinsong.liu@intel.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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- 24 2月, 2014 1 次提交
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由 Liu, Jinsong 提交于
From caddc009a6d2019034af8f2346b2fd37a81608d0 Mon Sep 17 00:00:00 2001 From: Liu Jinsong <jinsong.liu@intel.com> Date: Mon, 24 Feb 2014 18:11:11 +0800 Subject: [PATCH v5 1/3] KVM: x86: Intel MPX vmx and msr handle This patch handle vmx and msr of Intel MPX feature. Signed-off-by: NXudong Hao <xudong.hao@intel.com> Signed-off-by: NLiu Jinsong <jinsong.liu@intel.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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- 22 2月, 2014 4 次提交
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由 Liu, Jinsong 提交于
From 00c920c96127d20d4c3bb790082700ae375c39a0 Mon Sep 17 00:00:00 2001 From: Liu Jinsong <jinsong.liu@intel.com> Date: Fri, 21 Feb 2014 23:47:18 +0800 Subject: [PATCH] KVM: x86: Fix xsave cpuid exposing bug EBX of cpuid(0xD, 0) is dynamic per XCR0 features enable/disable. Bit 63 of XCR0 is reserved for future expansion. Signed-off-by: NLiu Jinsong <jinsong.liu@intel.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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由 Liu, Jinsong 提交于
From 0750e335eb5860b0b483e217e8a08bd743cbba16 Mon Sep 17 00:00:00 2001 From: Liu Jinsong <jinsong.liu@intel.com> Date: Thu, 20 Feb 2014 17:39:32 +0800 Subject: [PATCH] KVM: x86: expose ADX feature to guest ADCX and ADOX instructions perform an unsigned addition with Carry flag and Overflow flag respectively. Signed-off-by: NXudong Hao <xudong.hao@intel.com> Signed-off-by: NLiu Jinsong <jinsong.liu@intel.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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由 Liu, Jinsong 提交于
From 24ffdce9efebf13c6ed4882f714b2b57ef1141eb Mon Sep 17 00:00:00 2001 From: Liu Jinsong <jinsong.liu@intel.com> Date: Thu, 20 Feb 2014 17:38:26 +0800 Subject: [PATCH] KVM: x86: expose new instruction RDSEED to guest RDSEED instruction return a random number, which supplied by a cryptographically secure, deterministic random bit generator(DRBG). Signed-off-by: NXudong Hao <xudong.hao@intel.com> Signed-off-by: NLiu Jinsong <jinsong.liu@intel.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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These days hv_clock allocation is memblock based (i.e. the percpu allocator is not involved), which means that the physical address of each of the per-cpu hv_clock areas is guaranteed to remain unchanged through all its lifetime and we do not need to update its location after CPU bring-up. Signed-off-by: NFernando Luis Vazquez Cao <fernando@oss.ntt.co.jp> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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- 18 2月, 2014 2 次提交
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由 Radim Krčmář 提交于
We should open NMI window right after an iret, but SVM exits before it. We wanted to single step using the trap flag and then open it. (or we could emulate the iret instead) We don't do it since commit 3842d135 (likely), because the iret exit handler does not request an event, so NMI window remains closed until the next exit. Fix this by making KVM_REQ_EVENT request in the iret handler. Signed-off-by: NRadim Krčmář <rkrcmar@redhat.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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由 Takuya Yoshikawa 提交于
When this was introduced, kvm_flush_remote_tlbs() could be called without holding mmu_lock. It is now acknowledged that the function must be called before releasing mmu_lock, and all callers have already been changed to do so. There is no need to use smp_mb() and cmpxchg() any more. Signed-off-by: NTakuya Yoshikawa <yoshikawa_takuya_b1@lab.ntt.co.jp> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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- 14 2月, 2014 1 次提交
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由 Christoffer Dall 提交于
This fixes the build breakage introduced by c07a0191 and adds support for the device control API and save/restore of the VGIC state for ARMv8. The defines were simply missing from the arm64 header files and uaccess.h must be implicitly imported from somewhere else on arm. Signed-off-by: NChristoffer Dall <christoffer.dall@linaro.org> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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- 04 2月, 2014 1 次提交
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由 Marcelo Tosatti 提交于
Remove unused last_kernel_ns variable. Signed-off-by: NMarcelo Tosatti <mtosatti@redhat.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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- 03 2月, 2014 5 次提交
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由 Helge Deller 提交于
Add support for the flexible mmap memory layout (as described in http://lwn.net/Articles/91829). This is especially very interesting on parisc since we currently only support 32bit userspace (even with a 64bit Linux kernel). Signed-off-by: NHelge Deller <deller@gmx.de>
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由 Guy Martin 提交于
On Linux, only parisc uses a different value for EWOULDBLOCK which causes a lot of troubles for applications not checking for both values. Since the hpux compat is long dead, make EWOULDBLOCK behave the same as all other architectures. Signed-off-by: NGuy Martin <gmsoft@tuxicoman.be> Signed-off-by: NHelge Deller <deller@gmx.de>
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由 Helge Deller 提交于
The stat.h header file is exported to userspace. Some userspace applications failed to compile due to missing/unknown types, so we better convert it to use native types only (like it's done on other architectures too). Signed-off-by: NHelge Deller <deller@gmx.de>
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由 Helge Deller 提交于
Signed-off-by: NHelge Deller <deller@gmx.de>
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由 Helge Deller 提交于
This commit: f8dae006: parisc: Ensure full cache coherency for kmap/kunmap caused negative caching side-effects, e.g. hanging processes with expect and too many inequivalent alias messages from flush_dcache_page() on Debian 5 systems. This patch now partly reverts it and has been in production use on our debian buildd makeservers since a week without any major problems. Signed-off-by: NHelge Deller <deller@gmx.de> Signed-off-by: NJohn David Anglin <dave.anglin@bell.net> Cc: stable@vger.kernel.org # v3.9+ Signed-off-by: NHelge Deller <deller@gmx.de>
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- 02 2月, 2014 1 次提交
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由 Heiko Carstens 提交于
With commit d8d14bd0 ("fs/compat: fix lookup_dcookie() parameter handling") I changed the type of the len parameter of the lookup_dcookie() syscall. However I missed that there was still a stale declaration in arch/tile/.. which now causes a compile error on tile: In file included from fs/dcookies.c:28:0: include/linux/compat.h:425:17: error: conflicting types for 'compat_sys_lookup_dcookie' fs/dcookies.c:207:1: error: conflicting types for 'compat_sys_lookup_dcookie' Simply remove the declaration in the tile architecture, which is only a leftover from before the different compat lookup_dcookie() versions have been merged. The correct declaration is now in include/linux/compat.h The build error was reported by Fenguang's build bot. Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com> Acked-by: NChris Metcalf <cmetcalf@tilera.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 01 2月, 2014 17 次提交
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由 Olof Johansson 提交于
TI_EDMA fell out of automatically selected options in the multi_v7 defconfig due to a select being removed from the davinci Kconfig entry. So we need to re-enable explicitly to not regress some platforms. The rest is just the result of running 'make multi_v7_defconfig + make savedefconfig' to remove entries that are no longer needed due to changed dependencies/selects or defaults. Signed-off-by: NOlof Johansson <olof@lixom.net>
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由 Olof Johansson 提交于
Recent boot farm testing has highlighted some issues with mvebu and multiplatform kernels. Increase the test coverage so we can discover these issues earlier. Signed-off-by: NJason Cooper <jason@lakedaemon.net> Signed-off-by: NOlof Johansson <olof@lixom.net>
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由 Tim Kryger 提交于
The board schematic states that the "SD_CARD_DET_N gets pulled to GND when card is inserted" so the polarity has been updated to active low. Polarity is now specified with a GPIO define instead of a magic number. Signed-off-by: NTim Kryger <tim.kryger@linaro.org> Reviewed-by: NMatt Porter <matt.porter@linaro.org> Signed-off-by: NOlof Johansson <olof@lixom.net>
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由 Fabio Estevam 提交于
Select CONFIG_AT803X_PHY so that we can boot hummingboard via NFS. Signed-off-by: NFabio Estevam <fabio.estevam@freescale.com> Signed-off-by: NOlof Johansson <olof@lixom.net>
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由 Grygorii Strashko 提交于
Drop automatic selection of TI_EDMA from Keystone Kconfig file, as it produces build warning in case if CONFIG_DMADEVICES is not set: warning: (ARCH_KEYSTONE) selects TI_EDMA which has unmet direct dependencies (DMADEVICES && (ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE)) Instead enable TI EDMA support from defconfig. Reported-by: NRussell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: NGrygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: NSantosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: NOlof Johansson <olof@lixom.net>
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由 Soren Brinkmann 提交于
Add nodes for the Arasan SDHCI controller to Zynq dts files. Signed-off-by: NSoren Brinkmann <soren.brinkmann@xilinx.com> Signed-off-by: NMichal Simek <michal.simek@xilinx.com> Signed-off-by: NOlof Johansson <olof@lixom.net>
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由 Rob Herring 提交于
SMP is a user configurable option, not a hardware feature and should not be selected. Signed-off-by: NRob Herring <robh@kernel.org> Signed-off-by: NOlof Johansson <olof@lixom.net>
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由 Stephen Warren 提交于
DEBUG_FS used to be selected by COMMON_CLK_DEBUG, which was enabled by tegra_defconfig. However, this config option no longer exists, so no longer selects DEBUG_FS, and nothing else selects it either. So, "make tegra_defconfig" no longer enables DEBUG_FS in .config. Rebuild tegra_defconfig on top of next-20140424, while manually re-enabling DEBUG_FS. Reasons for removed entries are: - I2C_MUX: selected by MEDIA_SUBDRV_AUTOSELECT - DRM_PANEL: selected by DRM_TEGRA - NEW_LEDS: selected by many things; at least VT - LEDS_CLASS: selected by many things; at least VT - LEDS_TRIGGERS: selected by many things; at least VT - COMMON_CLK_DEBUG: no longer exists Signed-off-by: NStephen Warren <swarren@nvidia.com> Signed-off-by: NKevin Hilman <khilman@linaro.org>
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由 Stephen Warren 提交于
multi_v7_defconfig was missing a large number of options that were in tegra_defconfig. This patch adds them. The changes fall into the following categories: * Enable more Tegra SoC options/drivers. * Enable more drivers for Tegra boards. * Enable more options that are useful for running distros. The patch removes a few lines as well, simply because those options are now selected by something else, and "make savedefconfig" removes them. I verified that the options appear in .config after "make multi_v7_defconfig". Signed-off-by: NStephen Warren <swarren@nvidia.com> Signed-off-by: NKevin Hilman <khilman@linaro.org> Signed-off-by: NOlof Johansson <olof@lixom.net>
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由 Linus Walleij 提交于
This board was missed when converting all the others to proper abstracted GPIO handling. Fix it up the right way by requesting and driving GPIO line 0 high through gpiolib to power off the machine. Cc: Arnaud Patard <arnaud.patard@rtp-net.org> Reported-by: NArnd Bergmann <arnd@arndb.de> Signed-off-by: NLinus Walleij <linus.walleij@linaro.org> Acked-by: NArnd Bergmann <arnd@arndb.de> Signed-off-by: NKevin Hilman <khilman@linaro.org> Signed-off-by: NOlof Johansson <olof@lixom.net>
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由 Linus Walleij 提交于
Commit 78d16321 deleted the static mappings of the core modules, but this static map is still needed on the Integrator/CP (not the Integrator/AP). Restore the static map on the Integrator/CP. Reported-by: NWill Deacon <will.deacon@arm.com> Signed-off-by: NLinus Walleij <linus.walleij@linaro.org> Signed-off-by: NKevin Hilman <khilman@linaro.org> Signed-off-by: NOlof Johansson <olof@lixom.net>
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由 Stephen Boyd 提交于
This allows us to probe the clock controller devices and boot to a serial console on all DT enabled MSM platforms. Cc: David Brown <davidb@codeaurora.org> Signed-off-by: NStephen Boyd <sboyd@codeaurora.org> Signed-off-by: NKevin Hilman <khilman@linaro.org> Signed-off-by: NOlof Johansson <olof@lixom.net>
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由 Stephen Boyd 提交于
Add the necessary DT nodes to probe the clock controllers on MSM devices as well as hook up the uart nodes to the clock controllers. This should allow us to boot to a serial console on all DT enabled MSM platforms. Cc: David Brown <davidb@codeaurora.org> Signed-off-by: NStephen Boyd <sboyd@codeaurora.org> Signed-off-by: NKevin Hilman <khilman@linaro.org> Signed-off-by: NOlof Johansson <olof@lixom.net>
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由 Nishanth Menon 提交于
Move all OMAP4 PM errata initializations to centralized location in omap4_pm_init_early. This allows for users to utilize the erratas in various submodules as needed. Reported-by: NTony Lindgren <tony@atomide.com> Signed-off-by: NNishanth Menon <nm@ti.com> Acked-by: NTony Lindgren <tony@atomide.com> Signed-off-by: NKevin Hilman <khilman@linaro.org> Signed-off-by: NOlof Johansson <olof@lixom.net>
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由 Strashko, Grygorii 提交于
The same workaround as ff999b8a "ARM: OMAP4460: Workaround for ROM bug because of CA9 r2pX GIC ..." need to be applied not only when system is booting, but when MPUSS hits OSWR state through CPUIdle too. Without this WA the same issue is reproduced now on boards PandaES and Tablet/Blaze with SOM OMAP4460 when CONFIG_CPU_IDLE is enabled. After MPUSS has enterred OSWR and waken up: - GIC distributor became disabled forever - scheduling is not performed any more Cc: Kevin Hilman <khilman@linaro.org> Acked-by: NSantosh Shilimkar <santosh.shilimkar@ti.com> Reported-by: NTaras Kondratiuk <taras.kondratiuk@linaro.org> Signed-off-by: NGrygorii Strashko <grygorii.strashko@ti.com> Acked-by: NTony Lindgren <tony@atomide.com> Signed-off-by: NKevin Hilman <khilman@linaro.org> Signed-off-by: NOlof Johansson <olof@lixom.net>
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由 Mikulas Patocka 提交于
The patch 3ddc5b46 breaks networking on alpha (there is a follow-up fix 5cfe8f1b, but networking is still broken even with the second patch). The patch 3ddc5b46 makes csum_partial_copy_from_user check the pointer with access_ok. However, csum_partial_copy_from_user is called also from csum_partial_copy_nocheck and csum_partial_copy_nocheck is called on kernel pointers and it is supposed not to check pointer validity. This bug results in ssh session hangs if the system is loaded and bulk data are printed to ssh terminal. This patch fixes csum_partial_copy_nocheck to call set_fs(KERNEL_DS), so that access_ok in csum_partial_copy_from_user accepts kernel-space addresses. Cc: stable@vger.kernel.org Signed-off-by: NMikulas Patocka <mpatocka@redhat.com> Signed-off-by: NMatt Turner <mattst88@gmail.com>
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由 蔡正龙 提交于
Signed-off-by: NZhenglong.cai <zhenglong.cai@cs2c.com.cn> Signed-off-by: NMatt Turner <mattst88@gmail.com>
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- 31 1月, 2014 4 次提交
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由 Dave Jones 提交于
Passing a freed 'pages' to free_xenballooned_pages will end badly on kernels with slub debug enabled. This looks out of place between the rc assign and the check, but we do want to kfree pages regardless of which path we take. Signed-off-by: NDave Jones <davej@fedoraproject.org> Signed-off-by: NKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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由 Zoltan Kiss 提交于
The grant mapping API does m2p_override unnecessarily: only gntdev needs it, for blkback and future netback patches it just cause a lock contention, as those pages never go to userspace. Therefore this series does the following: - the original functions were renamed to __gnttab_[un]map_refs, with a new parameter m2p_override - based on m2p_override either they follow the original behaviour, or just set the private flag and call set_phys_to_machine - gnttab_[un]map_refs are now a wrapper to call __gnttab_[un]map_refs with m2p_override false - a new function gnttab_[un]map_refs_userspace provides the old behaviour It also removes a stray space from page.h and change ret to 0 if XENFEAT_auto_translated_physmap, as that is the only possible return value there. v2: - move the storing of the old mfn in page->index to gnttab_map_refs - move the function header update to a separate patch v3: - a new approach to retain old behaviour where it needed - squash the patches into one v4: - move out the common bits from m2p* functions, and pass pfn/mfn as parameter - clear page->private before doing anything with the page, so m2p_find_override won't race with this v5: - change return value handling in __gnttab_[un]map_refs - remove a stray space in page.h - add detail why ret = 0 now at some places v6: - don't pass pfn to m2p* functions, just get it locally Signed-off-by: NZoltan Kiss <zoltan.kiss@citrix.com> Suggested-by: NDavid Vrabel <david.vrabel@citrix.com> Acked-by: NDavid Vrabel <david.vrabel@citrix.com> Acked-by: NStefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: NKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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由 Steve Capper 提交于
We have the following means for encoding writable or dirty ptes: PTE_DIRTY PTE_RDONLY !pte_dirty && !pte_write 0 1 !pte_dirty && pte_write 0 1 pte_dirty && !pte_write 1 1 pte_dirty && pte_write 1 0 So we can't distinguish between writable clean ptes and read only ptes. This can cause problems with ptes being incorrectly flagged as read only when they are writable but not dirty. This patch introduces a new software bit PTE_WRITE which allows us to correctly identify writable ptes. PTE_RDONLY is now only clear for valid ptes where a page is both writable and dirty. Signed-off-by: NSteve Capper <steve.capper@arm.com> Reviewed-by: NCatalin Marinas <catalin.marinas@arm.com> Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com>
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由 Steve Capper 提交于
Expand out the pte manipulation functions. This makes our life easier when using things like tags and cscope. Signed-off-by: NSteve Capper <steve.capper@arm.com> Reviewed-by: NCatalin Marinas <catalin.marinas@arm.com> Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com>
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