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|r358058||chs||Feb. 18, 2020, 12:02 a.m.||amd64: keep PTE bitmasks in sync with target pmap during pv reclaim
in reclaim_pv_chunk_domain(), when we switch to a new target pmap from which we are trying to reclaim a pv chunk, always update the current PTE bitmasks to match. Reviewed by: kib, markj Approved by: imp (mentor) Sponsored by: NetflixViewVC
|r358048||lwhsu||Feb. 17, 2020, 8:25 p.m.||Really skip the tests in capsicum tests
Sponsored by: The FreeBSD FoundationViewVC
|r358046||dim||Feb. 17, 2020, 8:24 p.m.||Merge r358042 from the clang1000-import branch:
Add casts and L suffixes to libc quad support, to work around various -Werror warnings from clang 10.0.0, such as: lib/libc/quad/fixdfdi.c:57:12: error: implicit conversion from 'long long' to 'double' changes value from 9223372036854775807 to 9223372036854775808 [-Werror,-Wimplicit-int-float-conversion] if (x >= QUAD_MAX) ~~ ^~~~~~~~ /usr/obj/usr/src/powerpc.powerpc/tmp/usr/include/sys/limits.h:89:19: note: expanded from macro 'QUAD_MAX' #define QUAD_MAX (__QUAD_MAX) /* max value for a quad_t */ ^~~~~~~~~~ /usr/obj/usr/src/powerpc.powerpc/tmp/usr/include/machine/_limits.h:91:20: note: expanded from macro '__QUAD_MAX' #define __QUAD_MAX __LLONG_MAX /* max value for a quad_t */ ^~~~~~~~~~~ /usr/obj/usr/src/powerpc.powerpc/tmp/usr/include/machine/_limits.h:75:21: note: expanded from macro '__LLONG_MAX' #define __LLONG_MAX 0x7fffffffffffffffLL /* max value for a long long */ ^~~~~~~~~~~~~~~~~~~~ and many instances of: lib/libc/quad/fixunsdfdi.c:73:17: error: shift count >= width of type [-Werror,-Wshift-count-overflow] toppart = (x - ONE_HALF) / ONE; ^~~~~~~~ lib/libc/quad/fixunsdfdi.c:45:19: note: expanded from macro 'ONE_HALF' #define ONE_HALF (ONE_FOURTH * 2.0) ^~~~~~~~~~ lib/libc/quad/fixunsdfdi.c:44:23: note: expanded from macro 'ONE_FOURTH' #define ONE_FOURTH (1 << (LONG_BITS - 2)) ^ ~~~~~~~~~~~~~~~ lib/libc/quad/fixunsdfdi.c:73:29: error: shift count >= width of type [-Werror,-Wshift-count-overflow] toppart = (x - ONE_HALF) / ONE; ^~~ lib/libc/quad/fixunsdfdi.c:46:15: note: expanded from macro 'ONE' #define ONE (ONE_FOURTH * 4.0) ^~~~~~~~~~ lib/libc/quad/fixunsdfdi.c:44:23: note: expanded from macro 'ONE_FOURTH' #define ONE_FOURTH (1 << (LONG_BITS - 2)) ^ ~~~~~~~~~~~~~~~ MFC after: 3 daysViewVC
|r358045||dim||Feb. 17, 2020, 8:23 p.m.||Merge r358034 from the clang1000-import branch:
Disable new clang 10.0.0 warnings about misleading indentation in sys/contrib/ncsw/Peripherals/FM/fman_ncsw.c. This is horribly formatted contributed code, and fixing it is not worth the effort. MFC after: 3 daysViewVC
|r358044||dim||Feb. 17, 2020, 8:22 p.m.||Merge r358030 from the clang1000-import branch:
Work around new clang 10.0.0 -Werror warning: sys/arm/allwinner/aw_cir.c:208:41: error: converting the result of '<<' to a boolean; did you mean '((1 & 255) << 23) != 0'? [-Werror,-Wint-in-bool-context] active_delay = (AW_IR_ACTIVE_T + 1) * (AW_IR_ACTIVE_T_C ? 128 : 1); ^ sys/arm/allwinner/aw_cir.c:130:39: note: expanded from macro 'AW_IR_ACTIVE_T_C' #define AW_IR_ACTIVE_T_C ((1 & 0xff) << 23) ^ Add the != 0 part to indicate that we indeed want to compare against zero. MFC after: 3 daysViewVC
|r358041||scottl||Feb. 17, 2020, 8:12 p.m.||Fix syntax error from r357647. Adjust a variable name to make the use more
clear. Reported by: dimViewVC
|r358028||tuexen||Feb. 17, 2020, 6:05 p.m.||Fix the non-default stream schedulers such that do not interleave
user messages when it is now allowed. Thanks to Christian Wright for reporting the issue for the userland stack and providing a fix for the priority scheduler. MFC after: 1 weekViewVC
|r358027||andrew||Feb. 17, 2020, 3:32 p.m.||Use EARLY_DRIVER_MODULE in the acpi bus.
We need this to use EARLY_DRIVER_MODULE in child drivers on arm64. This should be a no-op on x86 as it has DRIVER_MODULE in the nexus driver making all later drivers attach in the last pass. Reviewed by: imp MFC after: 1 month Sponsored by: Innovate UK Differential Revision: https://reviews.freebsd.org/D23717ViewVC
|r358026||markj||Feb. 17, 2020, 3:11 p.m.||Remove swblk_t.
It was used only to store the bounds of each swap device. However, since swblk_t is a signed 32-bit int and daddr_t is a signed 64-bit int, swp_pager_isondev() may return an invalid result if swap devices are repeatedly added and removed and sw_end for a device ends up becoming a negative number. Note that the removed comment about maximum swap size still applies. Reviewed by: jeff, kib Tested by: pho MFC after: 2 weeks Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D23666ViewVC
|r358025||markj||Feb. 17, 2020, 3:10 p.m.||Fix a swap block allocation race.
putpages' allocation of swap blocks is done under the global sw_dev lock. Previously it would drop that lock before inserting the allocated blocks into the object's trie, creating a window in which swap blocks are allocated but are not visible to swapoff. This can cause swp_pager_strategy() to fail and panic the system. Fix the problem bluntly, by allocating swap blocks under the object lock. Reviewed by: jeff, kib Tested by: pho MFC after: 2 weeks Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D23665ViewVC
|r358024||markj||Feb. 17, 2020, 3:09 p.m.||Fix object locking races in swapoff(2).
swap_pager_swapoff_object()'s goal is to allocate pages for all valid swap blocks belonging to the object, for which there is no resident page. If the page corresponding to a block is already resident and valid, the block can simply be discarded. The existing implementation tries to minimize the number of I/Os used. For each cluster of swap blocks, it finds maximal runs of valid swap blocks not resident in memory, and valid resident pages. During this processing, the object lock may be dropped in several places: when calling getpages, or when blocking on a busy page in vm_page_grab_pages(). While the lock is dropped, another thread may free swap blocks, causing getpages to page in stale data. Fix the problem following a suggestion from Jeff: use getpages' readahead capability to perform clustering rather than doing it ourselves. The simplies the code a bit without reintroducing the old behaviour of performing one I/O per page. Reviewed by: jeff Reported by: dhw, gallatin Tested by: pho MFC after: 2 weeks Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D23664ViewVC
|r358023||tuexen||Feb. 17, 2020, 2:54 p.m.||Don't use uninitialised stack memory if the sysctl variable
net.inet.tcp.hostcache.enable is set to 0. The bug resulted in using possibly a too small MSS value or wrong initial retransmission timer settings. Possibly the value used for ssthresh was also wrong. Submitted by: Richard Scheffenegger Reviewed by: Cheng Cui, rgrimes@, tuexen@ MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D23687ViewVC
|r358022||kib||Feb. 17, 2020, 1:31 p.m.||pciconf: List names of all known extended PCIe capabilities.
Some ids are redundand because the list_ecaps() function decodes them by explicit switch case. But listing them all makes it easier to not miss ecaps, while not changing the functionality. Initial submission by: Dmitry Luhtionov <firstname.lastname@example.org> Sponsored by: The FreeBSD Foundation MFC after: 3 daysViewVC
|r358021||kib||Feb. 17, 2020, 1:26 p.m.||Fix typo.
Sponsored by: The FreeBSD Foundation MFC after: 3 daysViewVC
|r358020||bz||Feb. 17, 2020, 11:08 a.m.||Partially revert VNET change and expand VNET structure.
Revert parts of r353274 replacing vnet_state with a shutdown flag. Not having the state flag for the current SI_SUB_* makes it harder to debug kernel or module panics related to VNET bringup or teardown. Not having the state also does not allow us to check for other dependency levels between components, e.g. for moving interfaces. Expand the VNET structure with the new boolean flag indicating that we are doing a shutdown of a given vnet and update the vnet magic cookie for the change. Update libkvm to compile with a bool in the kernel struct. Bump __FreeBSD_version for (external) module builds to more easily detect the change. Reviewed by: hselasky MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D23097ViewVC