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| ddfffb41 | jamie | Feb. 25, 2021, 5:10 a.m. | jail: back out 811e27fa3c44 until it doesn't break Jenkins
Reported by: arichardsoncgit |
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| 1ca8842f | nwhitehorn | Feb. 25, 2021, 2:16 a.m. | Use makefs(8) in release VM-image generation instead of md(4) and newfs.
Using makefs instead reduces the privileges needed to build VM images, simplifies the script (no need to copy files to a fresh image at the end), and improves portability by allowing generation of cross-endian images. As a result of the last, this patch also adds support for generation of powerpc64 and powerpc64le VM images. No other changes to the output. Tested and working for both amd64 and powerpc64 targets. Reviewed by: gjb Differential Revision: https://reviews.freebsd.org/D28912cgit |
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| ef567155 | mw | Feb. 25, 2021, 1:35 a.m. | Fix powerpc build after 6dd69f0064f1
Commit 6dd69f0064f1 ("iflib: introduce isc_dma_width")
failed to build on powerpc due to implicit type conversion
error. Fix that.
Submitted by: Artur Rojek <ar@semihalf.com>
Obtained from: Semihalf
Sponsored by: Amazon, Inc.
cgit
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| bf667f28 | rlibby | Feb. 24, 2021, 11:56 p.m. | ofed: quiet gcc -Wint-in-bool-context
The int in the argument to the ternary triggered -Wint-in-bool-context from gcc. Upstream linux has a larger and more entangled patch, 12f727721eee61b3d19dedb95cb893b2baa9fe41, which doesn't apply cleanly. When we eventually sync that, we can just drop this change. Reviewed by: hselasky, imp, kib MFC after: 3 days Sponsored by: Dell EMC Isilon Differential Revision: https://reviews.freebsd.org/D28762cgit |
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| d8404b7e | rlibby | Feb. 24, 2021, 11:56 p.m. | ddb: just move cursor when the lexer backs up
Get rid of db_look_char because it's not compatible with db_get_line(). This fixes the following issue: db> script lockinfo=show alllocks db> run lockinfo db:0:lockinfo> how alllocks No such command; use "help" to list available commands Reported by: markj Reviewed by: markj Sponsored by: Dell EMC Isilon Differential Revision: https://reviews.freebsd.org/D28725cgit |
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| d85c9cef | rlibby | Feb. 24, 2021, 11:56 p.m. | ddb: reliably fail with ambiguous commands
db_cmd_match had an even/odd bug, where if a third command was partially matched (or any odd number greater than one) the search result would be set back from CMD_AMBIGUOUS to CMD_FOUND, causing the last command in the list to be executed instead of failing the match. Reported by: mlaier Reviewed by: markj, mlaier, vangyzen Sponsored by: Dell EMC Isilon Differential Revision: https://reviews.freebsd.org/D28659cgit |
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| 14b5a3c7 | rlibby | Feb. 24, 2021, 11:56 p.m. | vm pqbatch: move unmanaged page assert under pagequeue lock
This KASSERT is overzealous because of the following race condition:
1) A managed page which is currently in PQ_LAUNDRY is freed.
vm_page_free_prep calls vm_page_dequeue_deferred()
The page state is:
PQ_LAUNDRY, PGA_DEQUEUE|PGA_ENQUEUED
2) The laundry worker comes around and pick up the page and calls
vm_pageout_defer(m, PQ_LAUNDRY, true) to check if page is still in the
queue. We do a vm_page_astate_load and get
PQ_LAUNDRY, PGA_DEQUEUE|PGA_ENQUEUED
as per above.
3) The laundry worker is pre-empted and another thread allocates our page
from the free pool. For example vm_page_alloc_domain_after calls
vm_page_dequeue() and sets VPO_UNMANAGED because we are allocating for
an OBJT_UNMANAGED object.
The page state is:
PQ_NONE, 0 - VPO_UNMANAGED
4) The laundry worker resumes, and processes vm_pageout_defer based on the
stale astate which leads to a call to vm_page_pqbatch_submit, which will
trip on the KASSERT.
Submitted by: mlaier
Reviewed by: markj, rlibby
Sponsored by: Dell EMC Isilon
Differential Revision: https://reviews.freebsd.org/D28563
cgit
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| 9a227a2f | mw | Feb. 24, 2021, 11:26 p.m. | Enable PIE by default on 64-bit architectures
This patch adds Position Independent Executables (PIE) flags for building OS. It allows to enable the ASLR feature based only on the sysctl knobs, without need to rebuild the image. Tests showed that no problems with stability / performance degradation were seen when using PIEs with ASLR disabled. The change is limited only for 64-bit architectures. Use bsd.opts.mk instead of the src.opts.mk in order to satisfy all build dependencies related to MK_PIE. Reviewed by: emaste, imp Obtained from: Semihalf Sponsored by: Stormshield Differential Revision: https://reviews.freebsd.org/D28328cgit |
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| 3aa02364 | mw | Feb. 24, 2021, 11:26 p.m. | Disable PIE for powerpc bootloaders.
Bootloaders for powerpc are not built as position independent code. Since bsd.prog.mk is used for building, when PIE is enabled, the PIE flags are added and that causes the build to fail. Adding MK_PIE=no stops bsd.prog.mk from adding PIE specific flags. Submitted by: Dawid Gorecki <dgr@semihalf.com> Reviewed by: emaste Obtained from: Semihalf Sponsored by: Stormshield Differential Revision: https://reviews.freebsd.org/D28893cgit |
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| cd992885 | mw | Feb. 24, 2021, 11:26 p.m. | Disable PIE for MIPS ubldr
When performing buildworld for MIPS with PIE enabled, the build fails with "position-independent code requires '-mabicalls'" message. -mno-abicalls and -fno-pic flags are explicitly set in MIPS ubldr makefile, so to work around this problem, set MK_PIE=no for MIPS ubldr. Submitted by: Dawid Gorecki <dgr@semihalf.com> Reviewed by: emaste Obtained from: Semihalf Sponsored by: Stormshield Differential Revision: https://reviews.freebsd.org/D28370cgit |
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| 6dd69f00 | mw | Feb. 24, 2021, 11:25 p.m. | iflib: introduce isc_dma_width
Some DMA controllers are unable to address the full host memory space and are instead limited to a subset of address range (e.g. 48-bit). Allow the driver to specify the maximum allowed DMA addressing width (in bits) for the NIC hardware, by introducing a new field in if_softc_ctx. If said field is omitted (set to 0), the lowaddr of DMA window bounds defaults to BUS_SPACE_MAXADDR. Submitted by: Artur Rojek <ar@semihalf.com> Obtained from: Semihalf Sponsored by: Amazon, Inc. Differential Revision: https://reviews.freebsd.org/D28706cgit |
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| cc3fa1e2 | melifaro | Feb. 24, 2021, 4:44 p.m. | Fix crash with rtadv-originated multipath IPv6 routes.
PR: 253800 Reported by: Frederic Denis <freebsdml at hecian.net> MFC after: immediatelycgit |
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| e2494f75 | kib | Feb. 24, 2021, 8:45 p.m. | atomic: add atomic_interrupt_fence()
with the semantic following C11 signal_fence, that is, it establishes ordering between its place and any interrupt handler executing on the same CPU. Reviewed by: markj, mjg, rlibby Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D28909cgit |
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| 43d4dfac | manu | Feb. 24, 2021, 4:56 p.m. | pwm_backlight: Add MODULE_DEPEND on backlight
Make the pwm_backlight module depend on backlight, so it has access to the backlight interface symbols. Otherwise you'll get an error like: link_elf: symbol backlight_get_info_desc undefined Signed-off-by: Brett Mastbergen <brett.mastbergen@gmail.com> MFC after: 3 days PR: 253765cgit |
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| f7aebfbe | nwhitehorn | Feb. 24, 2021, 3:31 p.m. | Add GPT PREP-boot type to mkimg(1) from geom_gpt.
This partition type can be used to boot some PowerKVM VMs. We don't support it well because of some limitations in SLOF, but it's worth at least have feature parity in geom and mkimg.cgit |