Intel OpenBMC Linux kernel source tree (mirror) https://git.radix-linux.su/BMC/Intel-BMC/linux.git/atom?h=dev-4.10 2017-03-26T11:08:11+00:00 2017-03-26T11:08:11+00:00 Michael Ellerman mpe@ellerman.id.au 2017-03-07T05:14:49+00:00 urn:sha1:fd6fb9243d5632a592445d7584c9fffde62da44f commit 97ee351b50a49717543533cfb85b4bf9d88c9680 upstream. Recent toolchains force the TOC to be 256 byte aligned. We need to enforce this alignment in the zImage linker script, otherwise pointers to our TOC variables (__toc_start) could be incorrect. If the actual start of the TOC and __toc_start don't have the same value we crash early in the zImage wrapper. Suggested-by: Alan Modra <amodra@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2016-12-16T17:26:42+00:00 Linus Torvalds torvalds@linux-foundation.org 2016-12-16T17:26:42+00:00 urn:sha1:de399813b521ea7e38bbfb5e5b620b5e202e5783 Pull powerpc updates from Michael Ellerman: "Highlights include: - Support for the kexec_file_load() syscall, which is a prereq for secure and trusted boot. - Prevent kernel execution of userspace on P9 Radix (similar to SMEP/PXN). - Sort the exception tables at build time, to save time at boot, and store them as relative offsets to save space in the kernel image & memory. - Allow building the kernel with thin archives, which should allow us to build an allyesconfig once some other fixes land. - Build fixes to allow us to correctly rebuild when changing the kernel endian from big to little or vice versa. - Plumbing so that we can avoid doing a full mm TLB flush on P9 Radix. - Initial stack protector support (-fstack-protector). - Support for dumping the radix (aka. Linux) and hash page tables via debugfs. - Fix an oops in cxl coredump generation when cxl_get_fd() is used. - Freescale updates from Scott: "Highlights include 8xx hugepage support, qbman fixes/cleanup, device tree updates, and some misc cleanup." - Many and varied fixes and minor enhancements as always. Thanks to: Alexey Kardashevskiy, Andrew Donnellan, Aneesh Kumar K.V, Anshuman Khandual, Anton Blanchard, Balbir Singh, Bartlomiej Zolnierkiewicz, Christophe Jaillet, Christophe Leroy, Denis Kirjanov, Elimar Riesebieter, Frederic Barrat, Gautham R. Shenoy, Geliang Tang, Geoff Levand, Jack Miller, Johan Hovold, Lars-Peter Clausen, Libin, Madhavan Srinivasan, Michael Neuling, Nathan Fontenot, Naveen N. Rao, Nicholas Piggin, Pan Xinhui, Peter Senna Tschudin, Rashmica Gupta, Rui Teng, Russell Currey, Scott Wood, Simon Guo, Suraj Jitindar Singh, Thiago Jung Bauermann, Tobias Klauser, Vaibhav Jain" [ And thanks to Michael, who took time off from a new baby to get this pull request done. - Linus ] * tag 'powerpc-4.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (174 commits) powerpc/fsl/dts: add FMan node for t1042d4rdb powerpc/fsl/dts: add sg_2500_aqr105_phy4 alias on t1024rdb powerpc/fsl/dts: add QMan and BMan nodes on t1024 powerpc/fsl/dts: add QMan and BMan nodes on t1023 soc/fsl/qman: test: use DEFINE_SPINLOCK() powerpc/fsl-lbc: use DEFINE_SPINLOCK() powerpc/8xx: Implement support of hugepages powerpc: get hugetlbpage handling more generic powerpc: port 64 bits pgtable_cache to 32 bits powerpc/boot: Request no dynamic linker for boot wrapper soc/fsl/bman: Use resource_size instead of computation soc/fsl/qe: use builtin_platform_driver powerpc/fsl_pmc: use builtin_platform_driver powerpc/83xx/suspend: use builtin_platform_driver powerpc/ftrace: Fix the comments for ftrace_modify_code powerpc/perf: macros for power9 format encoding powerpc/perf: power9 raw event format encoding powerpc/perf: update attribute_group data structure powerpc/perf: factor out the event format field powerpc/mm/iommu, vfio/spapr: Put pages on VFIO container shutdown ... 2016-12-16T04:05:38+00:00 Michael Ellerman mpe@ellerman.id.au 2016-12-16T04:05:38+00:00 urn:sha1:c6f6634721c871bfab4235e1cbcad208d3063798 Freescale updates from Scott: "Highlights include 8xx hugepage support, qbman fixes/cleanup, device tree updates, and some misc cleanup." 2016-12-10T05:11:17+00:00 Madalin Bucur madalin.bucur@nxp.com 2016-12-07T15:14:56+00:00 urn:sha1:baae856ebdeeaefbadd4a02cdb54b7c2277ff4dd Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com> Signed-off-by: Scott Wood <oss@buserror.net> 2016-12-10T05:11:14+00:00 Madalin Bucur madalin.bucur@nxp.com 2016-12-07T15:14:55+00:00 urn:sha1:f93ace2b22e993bafca117a295a42a7774bff4a4 The alias is used by the boot loader to perform a device tree fixup. Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com> Signed-off-by: Scott Wood <oss@buserror.net> 2016-12-10T05:11:11+00:00 Madalin Bucur madalin.bucur@nxp.com 2016-12-07T15:14:54+00:00 urn:sha1:138bde87876c10fedf8756f55a775246fe0d3f7e Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com> Signed-off-by: Scott Wood <oss@buserror.net> 2016-12-10T05:11:09+00:00 Madalin Bucur madalin.bucur@nxp.com 2016-12-07T15:14:53+00:00 urn:sha1:056f96577c83c38bc22a6b384a388112f130244d Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com> Signed-off-by: Scott Wood <oss@buserror.net> 2016-12-05T02:02:25+00:00 Nicholas Piggin npiggin@gmail.com 2016-11-28T01:42:26+00:00 urn:sha1:ff45000fcb56b5b0f1a14a865d3541746d838a0a The boot wrapper performs its own relocations and does not require PT_INTERP segment. However currently we don't tell the linker that. Prior to binutils 2.28 that works OK. But since binutils commit 1a9ccd70f9a7 ("Fix the linker so that it will not silently generate ELF binaries with invalid program headers. Fix readelf to report such invalid binaries.") binutils tries to create a program header segment due to PT_INTERP, and the link fails because there is no space for it: ld: arch/powerpc/boot/zImage.pseries: Not enough room for program headers, try linking with -N ld: final link failed: Bad value So tell the linker not to do that, by passing --no-dynamic-linker. Cc: stable@vger.kernel.org Reported-by: Anton Blanchard <anton@samba.org> Signed-off-by: Nicholas Piggin <npiggin@gmail.com> [mpe: Drop dependency on ld-version.sh and massage change log] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> 2016-11-30T12:19:59+00:00 Geoff Levand geoff@infradead.org 2016-11-29T18:47:32+00:00 urn:sha1:6dff5b67054e17c91bd630bcdda17cfca5aa4215 GCC 5 generates different code for this bootwrapper null check that causes the PS3 to hang very early in its bootup. This check is of limited value, so just get rid of it. Cc: stable@vger.kernel.org Signed-off-by: Geoff Levand <geoff@infradead.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> 2016-11-29T10:42:34+00:00 Michael Ellerman mpe@ellerman.id.au 2016-11-21T10:14:35+00:00 urn:sha1:f0f7fe1ac35330f077357c787ec5bd8958bf300d Now that we don't set ARCH incorrectly when calling the boot Makefile, we can use the generic cpp_lds_S rule for converting our zImage.lds.S into zImage.lds. The main advantage of using the generic rule is that it correctly uses if_changed, which means we correctly regenerate the linker script when switching endian. Fixing that means we are finally able to build one endian and then rebuild the other endian without requiring to clean between builds. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>