- 16 1月, 2009 17 次提交
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由 Stephen Rothwell 提交于
Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au> Acked-by: NGeoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Stephen Rothwell 提交于
Fixes compiler warnings: arch/powerpc/platforms/ps3/mm.c:1205: warning: passing argument 2 of 'ps3_repository_read_mm_info' from incompatible pointer type arch/powerpc/platforms/ps3/mm.c:1205: warning: passing argument 3 of 'ps3_repository_read_mm_info' from incompatible pointer type Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au> Acked-by: NGeoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Stephen Rothwell 提交于
This fixes these compiler warning: arch/powerpc/platforms/ps3/interrupt.c:109: warning: passing argument 2 of 'clear_bit' from incompatible pointer type arch/powerpc/platforms/ps3/interrupt.c:130: warning: passing argument 2 of 'set_bit' from incompatible pointer type Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au> Acked-by: NGeoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Stephen Rothwell 提交于
We just fix up the reference parameters as the others are dealt with by arithmetic promotion rules and don't cause warnings. This removes warnings like this: arch/powerpc/platforms/ps3/interrupt.c:327: warning: passing argument 1 of 'lv1_construct_event_receive_port' from incompatible pointer type Also, these: drivers/ps3/ps3-vuart.c:462: warning: passing argument 4 of 'ps3_vuart_raw_read' from incompatible pointer type drivers/ps3/ps3-vuart.c:592: warning: passing argument 4 of 'ps3_vuart_raw_read' from incompatible pointer type Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au> Acked-by: NGeoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Stephen Rothwell 提交于
Push the dma_addr_t type usage all the way down to where the actual values are manipulated. Now that u64 is "unsigned long long", this removes warnings like: arch/powerpc/platforms/ps3/system-bus.c:532: warning: passing argument 4 of 'ps3_dma_map' from incompatible pointer type arch/powerpc/platforms/ps3/system-bus.c:649: warning: passing argument 4 of 'ps3_dma_map' from incompatible pointer type Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au> Acked-by: NGeoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Stephen Rothwell 提交于
Also silences this warning: arch/powerpc/platforms/ps3/setup.c:275: warning: initialization from incompatible pointer type Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au> Acked-by: NGeoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Ivan Kokshaysky 提交于
As it's just a single call to __get_free_page(). Signed-off-by: NIvan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Richard Henderson <rth@twiddle.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Ivan Kokshaysky 提交于
Signed-off-by: NIvan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Richard Henderson <rth@twiddle.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Ivan Kokshaysky 提交于
Unlike other alphas, marvel doesn't have real PC-style CMOS clock hardware - RTC accesses are emulated via PAL calls. Unfortunately, for unknown reason these calls work only on CPU #0. So current implementation for arbitrary CPU makes CMOS_READ/WRITE to be executed on CPU #0 via IPI. However, for obvious reason this doesn't work with standard get/set_rtc_time() functions, where a bunch of CMOS accesses is done with disabled interrupts. Solved by making the IPI calls for entire get/set_rtc_time() functions, not for individual CMOS accesses. Which is also a lot more effective performance-wise. The patch is largely based on the code from Jay Estabrook. My changes: - tweak asm-generic/rtc.h by adding a couple of #defines to avoid a massive code duplication in arch/alpha/include/asm/rtc.h; - sys_marvel.c: fix get/set_rtc_time() return values (Jay's FIXMEs). NOTE: this fixes *only* LIB_RTC drivers. Legacy (CONFIG_RTC) driver wont't work on marvel. Actually I think that we should just disable CONFIG_RTC on alpha (maybe in 2.6.30?), like most other arches - AFAIK, all modern distributions use LIB_RTC anyway. Signed-off-by: NIvan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Richard Henderson <rth@twiddle.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Ivan Kokshaysky 提交于
Recently introduced generic pci_common_swizzle() relies on bus->self being NULL for the root PCI bus. But on nautilus bus->self points to the host bridge device, which is necessary as we do a root bus sizing on this system. As a result, pci_common_swizzle() loops infinitely. This worked until 2.6.29-rc1 because the alpha-specific swizzle routine checked for bus->parent == NULL (instead of bus->self). Fixed by clearing bus->self after bus sizing is done. Signed-off-by: NIvan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Richard Henderson <rth@twiddle.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Ivan Kokshaysky 提交于
init_srm_irq() deals with irq's #16 and above, but size of irq_desc array on nautilus and some other system types is 16. So gcc-4.3 complains that "array subscript is above array bounds", even though this function is never called on those systems. This adds a check for NR_IRQS <= 16, which effectively optimizes init_srm_irq() code away on problematic platforms. Thanks to Daniel Drake <dsd@gentoo.org> for detailed analysis of the problem. Signed-off-by: NIvan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Richard Henderson <rth@twiddle.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Linus Torvalds 提交于
This reverts commit 58dab916, which makes my Nehalem come to a nasty crawling almost-halt. It looks like it turns off caching of regular kernel RAM, with the understandable slowdown of a few orders of magnitude as a result. Acked-by: NIngo Molnar <mingo@elte.hu> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Peter Anvin <hpa@zytor.com> Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 John Keller 提交于
Create a platform specific version of dma_get_required_mask() for ia64 SN Altix. All SN Altix platforms support 64 bit DMA addressing regardless of the size of system memory. Create an ia64 machvec for dma_get_required_mask, with the SN version unconditionally returning DMA_64BIT_MASK. Signed-off-by: NJohn Keller <jpk@sgi.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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由 Brent Casavant 提交于
CONFIG_SATA_VITESSE=y was not added to generic_defconfig when sn2_defconfig was removed. SGI Altix systems that use an IO10 base IO card to drive the root device are unable to boot without the Vitesse controller. Signed-off-by: NBrent Casavant <bcasavan@sgi.com> Signed-off-by: NRobin Holt <holt@sgi.com> Signed-off-by: NJes Sorensen <jes@sgi.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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由 Doug Chapman 提交于
Often the cause of kernel unaligned access warnings is not obvious from just the ip displayed in the warning. This adds the option via proc to dump the stack in addition to the warning. The default is off (just display the 1 line warning). To enable the stack to be shown: echo 1 > /proc/sys/kernel/unaligned-dump-stack Signed-off-by: NDoug Chapman <doug.chapman@hp.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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由 Tony Luck 提交于
sched_clock() on ia64 is based on ar.itc, so is never completely synchronized between cpus. On some platforms (e.g. certain models of SGI Altix) it may be running at radically different frequencies. Based on a patch from Dimitri Sivanich which set this just for SN2 && GENERIC kernels ... it is needed for all ia64 machines. Signed-off-by: NTony Luck <tony.luck@intel.com>
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由 Isaku Yamahata 提交于
This patch fixes the following errors caused by 79741dd3 which changed the prototypes of account_steal_time() and account_idle_time(). > CC arch/ia64/xen/time.o > arch/ia64/xen/time.c: In function 'consider_steal_time': > arch/ia64/xen/time.c:132: warning: passing argument 1 of 'account_steal_time' makes integer from pointer without a cast > arch/ia64/xen/time.c:132: error: too many arguments to function 'account_steal_time' > arch/ia64/xen/time.c:133: warning: passing argument 1 of 'account_steal_time' makes integer from pointer without a cast > arch/ia64/xen/time.c:133: error: too many arguments to function 'account_steal_time' Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: NIsaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: NTony Luck <tony.luck@intel.com>
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- 15 1月, 2009 2 次提交
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由 Harvey Harrison 提交于
Add swab.h to kbuild.asm and remove the individual entries from each arch, mark as unifdef as some arches have some kernel-only bits inside. Signed-off-by: NHarvey Harrison <harvey.harrison@gmail.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Harvey Harrison 提交于
Adjust the arch overrides to the new names as well. Signed-off-by: NHarvey Harrison <harvey.harrison@gmail.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 14 1月, 2009 14 次提交
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由 Heiko Carstens 提交于
Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com>
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由 Heiko Carstens 提交于
Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com>
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由 Benjamin Herrenschmidt 提交于
This enables the use of syscall wrappers to do proper sign extension for 64-bit programs. Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com>
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由 Heiko Carstens 提交于
From: Martin Schwidefsky <schwidefsky@de.ibm.com> By selecting HAVE_SYSCALL_WRAPPERS architectures can activate system call wrappers in order to sign extend system call arguments. All architectures where the ABI defines that the caller of a function has to perform sign extension probably need this. Reported-by: NChristian Borntraeger <borntraeger@de.ibm.com> Acked-by: NRalf Baechle <ralf@linux-mips.org> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com>
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由 Heiko Carstens 提交于
Remove __attribute__((weak)) from common code sys_pipe implemantation. IA64, ALPHA, SUPERH (32bit) and SPARC (32bit) have own implemantations with the same name. Just rename them. For sys_pipe2 there is no architecture specific implementation. Cc: Richard Henderson <rth@twiddle.net> Cc: David S. Miller <davem@davemloft.net> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Tony Luck <tony.luck@intel.com> Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com>
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由 Heiko Carstens 提交于
This way it matches the generic system call name convention. Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com>
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由 David S. Miller 提交于
sparc_ksyms_64.c includes asm/spinlock.h directly, which is a no-no. Even better, none of these exports are even necessary. All of these functions are inlines. Reported by Meelis Roos and Alexander Beregalov. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Anton Vorontsov 提交于
This patch is used to help Jean Delvare to get rid of drivers/i2c/chips/ directory. The new location suggested by Kumar Gala: as the driver is 83xx specific it's placed into arch/powerpc/platforms/83xx/. Signed-off-by: NAnton Vorontsov <avorontsov@ru.mvista.com> Acked-by: NJean Delvare <khali@linux-fr.org> Signed-off-by: NKumar Gala <galak@kernel.crashing.org>
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由 Anton Vorontsov 提交于
FSL U-Boots use /soc8315@e0000000 node to search and fixup serial nodes' clock-frequency properties. Though in upstream kernels we use new naming convention -- for IMMR address space dts files specify /immr@e0000000 nodes. This makes FSL U-Boots fail to fixup the clock frequencies, and that leads to serial ports misbehaviour. We can workaround the issue by filling the clock frequency values manually. p.s. For the same reason FSL U-Boots fail to fixup MAC addresses for ethernet nodes, so users should either change the .dts file locally or set MAC address via `ifconfig hw ether' command. Signed-off-by: NAnton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: NKumar Gala <galak@kernel.crashing.org>
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由 Kumar Gala 提交于
We use Doorbell interrupts for IPIs and thus we need to make sure we aren't interrupted in the process of processing the IPI. Signed-off-by: NKumar Gala <galak@kernel.crashing.org> Acked-by: NDave Liu <daveliu@freescale.com>
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Impact: reduce scope of debug check - avoid warnings The logic to find whether identity map exists or not using high_memory or max_low_pfn_mapped/max_pfn_mapped are not complete as the memory withing the range may not be mapped if there is a unusable hole in e820. Specifically, on my test system I started seeing these warnings with tools like hwinfo, acpidump trying to map ACPI region. [ 27.400018] ------------[ cut here ]------------ [ 27.400344] WARNING: at /home/venkip/src/linus/linux-2.6/arch/x86/mm/pageattr.c:560 __change_page_attr_set_clr+0xf3/0x8b8() [ 27.400821] Hardware name: X7DB8 [ 27.401070] CPA: called for zero pte. vaddr = ffff8800cff6a000 cpa->vaddr = ffff8800cff6a000 [ 27.401569] Modules linked in: [ 27.401882] Pid: 4913, comm: dmidecode Not tainted 2.6.28-05716-gfe0bdec6 #586 [ 27.402141] Call Trace: [ 27.402488] [<ffffffff80237c21>] warn_slowpath+0xd3/0x10f [ 27.402749] [<ffffffff80274ade>] ? find_get_page+0xb3/0xc9 [ 27.403028] [<ffffffff80274a2b>] ? find_get_page+0x0/0xc9 [ 27.403333] [<ffffffff80226425>] __change_page_attr_set_clr+0xf3/0x8b8 [ 27.403628] [<ffffffff8028ec99>] ? __purge_vmap_area_lazy+0x192/0x1a1 [ 27.403883] [<ffffffff8028eb52>] ? __purge_vmap_area_lazy+0x4b/0x1a1 [ 27.404172] [<ffffffff80290268>] ? vm_unmap_aliases+0x1ab/0x1bb [ 27.404512] [<ffffffff80290105>] ? vm_unmap_aliases+0x48/0x1bb [ 27.404766] [<ffffffff80226d28>] change_page_attr_set_clr+0x13e/0x2e6 [ 27.405026] [<ffffffff80698fa7>] ? _spin_unlock+0x26/0x2a [ 27.405292] [<ffffffff80227e6a>] ? reserve_memtype+0x19b/0x4e3 [ 27.405590] [<ffffffff80226ffd>] _set_memory_wb+0x22/0x24 [ 27.405844] [<ffffffff80225d28>] ioremap_change_attr+0x26/0x28 [ 27.406097] [<ffffffff80228355>] reserve_pfn_range+0x1a3/0x235 [ 27.406427] [<ffffffff80228430>] track_pfn_vma_new+0x49/0xb3 [ 27.406686] [<ffffffff80286c46>] remap_pfn_range+0x94/0x32c [ 27.406940] [<ffffffff8022878d>] ? phys_mem_access_prot_allowed+0xb5/0x1a8 [ 27.407209] [<ffffffff803e9bf4>] mmap_mem+0x75/0x9d [ 27.407523] [<ffffffff8028b3b4>] mmap_region+0x2cf/0x53e [ 27.407776] [<ffffffff8028b8cc>] do_mmap_pgoff+0x2a9/0x30d [ 27.408034] [<ffffffff8020f4a4>] sys_mmap+0x92/0xce [ 27.408339] [<ffffffff8020b65b>] system_call_fastpath+0x16/0x1b [ 27.408614] ---[ end trace 4b16ad70c09a602d ]--- [ 27.408871] dmidecode:4913 reserve_pfn_range ioremap_change_attr failed write-back for cff6a000-cff6b000 This is wih track_pfn_vma_new trying to keep identity map in sync. The address cff6a000 is the ACPI region according to e820. [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: 0000000000000000 - 000000000009c000 (usable) [ 0.000000] BIOS-e820: 000000000009c000 - 00000000000a0000 (reserved) [ 0.000000] BIOS-e820: 00000000000cc000 - 00000000000d0000 (reserved) [ 0.000000] BIOS-e820: 00000000000e4000 - 0000000000100000 (reserved) [ 0.000000] BIOS-e820: 0000000000100000 - 00000000cff60000 (usable) [ 0.000000] BIOS-e820: 00000000cff60000 - 00000000cff69000 (ACPI data) [ 0.000000] BIOS-e820: 00000000cff69000 - 00000000cff80000 (ACPI NVS) [ 0.000000] BIOS-e820: 00000000cff80000 - 00000000d0000000 (reserved) [ 0.000000] BIOS-e820: 00000000e0000000 - 00000000f0000000 (reserved) [ 0.000000] BIOS-e820: 00000000fec00000 - 00000000fec10000 (reserved) [ 0.000000] BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved) [ 0.000000] BIOS-e820: 00000000ff000000 - 0000000100000000 (reserved) [ 0.000000] BIOS-e820: 0000000100000000 - 0000000230000000 (usable) And is not mapped as per init_memory_mapping. [ 0.000000] init_memory_mapping: 0000000000000000-00000000cff60000 [ 0.000000] init_memory_mapping: 0000000100000000-0000000230000000 We can add logic to check for this. But, there can also be other holes in identity map when we have 1GB of aligned reserved space in e820. This patch handles it by removing the WARN_ON and returning a specific error value (EFAULT) to indicate that the address does not have any identity mapping. The code that tries to keep identity map in sync can ignore this error, with other callers of cpa still getting error here. Signed-off-by: NVenkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: NSuresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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Impact: avoid warning message, potentially solve 3D performance regression Change x86 PAT code to return compatible memtype if the exact memtype that was requested in remap_pfn_rage and friends is not available due to some conflict. This is done by returning the compatible type in pgprot parameter of track_pfn_vma_new(), and the caller uses that memtype for page table. Note that track_pfn_vma_copy() which is basically called during fork gets the prot from existing page table and should not have any conflict. Hence we use strict memtype check there and do not allow compatible memtypes. This patch fixes the bug reported here: http://marc.info/?l=linux-kernel&m=123108883716357&w=2 Specifically the error message: X:5010 map pfn expected mapping type write-back for d0000000-d0101000, got write-combining Should go away. Reported-and-bisected-by: NKevin Winchester <kjwinchester@gmail.com> Signed-off-by: NVenkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: NSuresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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Impact: cleanup Change the protection parameter for track_pfn_vma_new() into a pgprot_t pointer. Subsequent patch changes the x86 PAT handling to return a compatible memtype in pgprot_t, if what was requested cannot be allowed due to conflicts. No fuctionality change in this patch. Signed-off-by: NVenkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: NSuresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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Impact: cleanup Move the new memtype old memtype allowed check to header so that is can be shared by other users. Subsequent patch uses this in pat.c in remap_pfn_range() code path. No functionality change in this patch. Signed-off-by: NVenkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: NSuresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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- 13 1月, 2009 7 次提交
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由 Michael Ellerman 提交于
To increase the amount of code that's built for a defconfig build. Signed-off-by: NMichael Ellerman <michael@ellerman.id.au> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Benjamin Herrenschmidt 提交于
The PowerMac kernel occasionally fails to bring up the secondary CPUs on SMP, the trigger factor seem to be fairly random and related to location of code and data. This appears to be due to the initial loading of the TOC value by the secondary processor which now happens before we clear HID4:RM_CI (Real Mode Cache Invalidate). This bit should really be cleared before we do any load or store other than fetching code. This fix works based on the assumption that all SMP 64-bit PowerMacs use variants of the 970, which fortunately is true, by explicitely clearing that bit, adding an slbia for good measure as RM_CI mode is known to create bogus ERAT entries. I also removed some spurrious debug output that was left enabled by mistake while at it. Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Nathan Lynch 提交于
The per_cpu__ prefix on DECLARE_PER_CPU'd variables is going away; rename cache_dir to cache_dir_pcpu. Signed-off-by: NNathan Lynch <ntl@pobox.com> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Stephen Rothwell 提交于
Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Ingo Molnar 提交于
Convert arch/powerpc/ over to long long based u64: -#ifdef __powerpc64__ -# include <asm-generic/int-l64.h> -#else -# include <asm-generic/int-ll64.h> -#endif +#include <asm-generic/int-ll64.h> This will avoid reoccuring spurious warnings in core kernel code that comes when people test on their own hardware. (i.e. x86 in ~98% of the cases) This is what x86 uses and it generally helps keep 64-bit code 32-bit clean too. [Adjusted to not impact user mode (from paulus) - sfr] Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Milton Miller 提交于
Enforce that the crash kernel region never overlaps the current kernel, as it will be written directly on kexec load. Also, default to the previous KDUMP_KERNELBASE if the start is 0. Other architectures (x86, ia64) state that specifying the start address 0 (or omitting it) will result in the kernel allocating it. Before the relocatable patch in 2.6.28, powerpc would adjust any other start value to the hardcoded KDUMP_KERNELBASE of 32M. Signed-off-by: NMilton Miller <miltonm@bga.com> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Milton Miller 提交于
We are declaring the dummy section (used to work around a binutils bug) as PT_NOTE, but we don't have enough bytes for it to be a valid note header, and kexec userspace complains: Warning: Elf Note name is not null terminated Warning: append= option is not passed. Using the first kernel root partition Warning: Elf Note name is not null terminated Instead of using the arbitray value 0xf177 (aka "fill"), declare a no-name no-description note of type 0. Signed-off-by: NMilton Miller <miltonm@bga.com> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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