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- 25 May, 2008 31 commits
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Alexey Starikovskiy authored
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Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by:
Ingo Molnar <mingo@elte.hu>
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Alexey Starikovskiy authored
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Alexey Starikovskiy authored
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Alexey Starikovskiy authored
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Yinghai Lu authored
the new output is: MPTABLE: OEM ID: SUN MPTABLE: Product ID: 4600 M2 MPTABLE: APIC at: 0x instead of it all in one line with <6> and double Product ID... Signed-off-by:
Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by:
Thomas Gleixner <tglx@linutronix.de>
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Thomas Gleixner authored
global pci_mem_start needs a declaration. include pci.h Signed-off-by:
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Thomas Gleixner authored
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Thomas Gleixner authored
mpparse is the only user of mp_ioapic_routing. Signed-off-by:
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Yinghai Lu authored
use find_e820_area to find addess for new RAMDISK, instead of using ram blindly also print out low ram and bootmap info Signed-off-by:
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Yinghai Lu authored
move early_res related from e820_64.c to e820.c make edba detection to be done in head32.c remove smp_alloc_memory, because we have fixed trampoline address now. Signed-off-by:
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Paul Jackson authored
Add to the kernels boot memory map 'memmap' entries found in the EFI memory descriptors passed in from the BIOS. On EFI systems, up to E820MAX == 128 memory map entries can be passed via the legacy E820 interface (limited by the size of the 'zeropage'). These entries can be duplicated in the EFI descriptors also passed from the BIOS, and possibly more entries passed by the EFI interface, which does not have the E820MAX limit on number of memory map entries. This code doesn't worry about the likely duplicate, overlapping or (unlikely) conflicting entries between the EFI map and the E820 map. It just dumps all the EFI entries into the memmap[] array (which already has the E820 entries) and lets the existing routine sanitize_e820_map() sort the mess out. Signed-off-by:
Paul Jackson <pj@sgi.com> Signed-off-by:
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Paul Jackson authored
Elaborate on the comment for sanitize_e820_map(), epxlaining more what it does, what it inputs, and what it returns. Rearrange the placement of this comment to fit kernel conventions, before the routine's code rather than buried inside it. Signed-off-by:
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Paul Jackson authored
The map size counter passed into, and back out of, sanitize_e820_map(), was an eight bit type (char or u8), as derived from its origins in legacy BIOS E820 structures. This patch changes that type to an 'int', to allow this sanitize routine to also be used on larger maps (larger than the 256 count that fits in a char). The legacy BIOS E820 interface of course does not change; that remains at 8 bits for this count, holding up to E820MAX == 128 entries. But the kernel internals can handle more when those additional memory map entries are passed from the BIOS via EFI interfaces. Signed-off-by:
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Paul Jackson authored
Extend internal boot time memory tables to allow for up to three entries per node, which may be larger than the 128 E820MAX entries handled by the legacy BIOS E820 interface. The EFI interface, if present, is capable of passing memory map entries for these larger node counts. This patch requires an earlier patch that rewrote code depending on these array sizes from using E820MAX explicitly to size loops, to instead using ARRAY_SIZE() of the applicable array. Another patch following this one will provide the code to pick up additional memory entries passed via the EFI interface from the BIOS and insert them in the following, now enlarged, arrays. Signed-off-by:
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Paul Jackson authored
This patch is motivated by a subsequent patch which will allow for more memory map entries on EFI supported systems than can be passed via the x86 legacy BIOS E820 interface. The legacy interface is limited to E820MAX == 128 memory entries, and that "E820MAX" manifest constant was used as the size for several arrays and loops over those arrays. The primary change in this patch is to change code loop sizes over those arrays from using the constant E820MAX, to using the ARRAY_SIZE() macro evaluated for the array being looped. That way, a subsequent patch can change the size of some of these arrays, without breaking this code. This patch also adds a parameter to the sanitize_e820_map() routine, which had an implicit size for the array passed it of E820MAX entries. This new parameter explicitly passes the size of said array. Once again, this will allow a subsequent patch to change that array size for some calls to sanitize_e820_map() without breaking the code. As part of enhancing the sanitize_e820_map() interface this way, I further combined the unnecessarily distinct x86_32 and x86_64 declarations for this routine into a single, commonly used, declaration. This patch in itself should make no difference to the resulting kernel binary. [ mingo@elte.hu: merged to -tip ] Signed-off-by:
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Paul Jackson authored
Standardize a few pointer declarations to not have the extra space after the '*' character. Signed-off-by:
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Paul Jackson authored
The use of #defines with '##' pre-processor concatenation is a useful way to form several symbol names with a common pattern. But when there is just a single name obtained from that #define, it's just obfuscation. Better to just write the plain symbol name, as is. The following patch is a result of my wasting ten minutes looking through the kernel to figure out what 'PB_migrate_end' meant, and forgetting what I came to do, by the time I figured out that the #define PB_range macro defined it. Signed-off-by:
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Paul Jackson authored
The "dmi.h" file did not state anywhere in the file what "DMI" was. For those who know, it's obvious. For the rest of us, I added a brief opening comment. Signed-off-by:
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Paul Jackson authored
Remove three extern declarations for routines that don't exist. Fix a typo in a comment. Signed-off-by:
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Paul Jackson authored
The patch: x86: convert cpu_to_apicid to be a per cpu variable introduced a dependency of ipi.h on smp.h in x86 builds with an allnoconfig. Including smp.h in ipi.h fixes the build error: In file included from arch/x86/kernel/traps_64.c:48: include/asm/ipi.h: In function 'send_IPI_mask_sequence': include/asm/ipi.h:114: error: 'per_cpu__x86_cpu_to_apicid' undeclared (first use in this function) Signed-off-by: -
Yinghai Lu authored
disable the noisy print out. also use the one the less spare mtrr reg. Signed-off-by:
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Yinghai Lu authored
there is a typo in the mask value, need to remove that extra 0, to avoid 4bit clearing. Signed-off-by:
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Yinghai Lu authored
remove the duplicated copy of these functions. Signed-off-by:
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Yinghai Lu authored
otherwise fixed MTRR for family 10h may not be changed. Signed-off-by:
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Yinghai Lu authored
Loop through mtrr chunk_size and gran_size from 1M to 2G to find out the optimal value so user does not need to add mtrr_chunk_size and mtrr_gran_size to the kernel command line. If optimal value is not found, print out all list to help select less optimal value. Add mtrr_spare_reg_nr= so user could set 2 instead of 1, if the card need more entries. v2: find the one with more spare entries v3: fix hole_basek offset v4: tight the compare between range and range_new loop stop with 4g Signed-off-by: -
Yinghai Lu authored
v9: address format change requests by Ingo more case handling in range_to_var_with_hole Signed-off-by: -
Yinghai Lu authored
v2: process hole then end_pfn fix update_memory_range with whole cover comparing Signed-off-by:Yinghai Lu <yinghai.lu@gmail.com> Signed-off-by:
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Yinghai Lu authored
converting MTRR layout from continous to discrete, some time could run out of MTRRs. So add gran_sizek to prevent that by dumpping small RAM piece less than gran_sizek. previous trimming only can handle highest_pfn from mtrr to end_pfn from e820. when have more than 4g RAM installed, there will be holes below 4g. so need to check ram below 4g is coverred well. need to be applied after [PATCH] x86: mtrr cleanup for converting continuous to discrete layout v7 Signed-off-by:
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Yinghai Lu authored
some BIOS like to use continus MTRR layout, and X driver can not add WB entries for graphical cards when 4g or more RAM installed. the patch will change MTRR to discrete. mtrr_chunk_size= could be used to have smaller continuous block to hold holes. default is 256m, could be set according to size of graphics card memory. mtrr_gran_size= could be used to send smallest mtrr block to avoid run out of MTRRs v2: fix -1 for UC checking v3: default to disable, and need use enable_mtrr_cleanup to enable this feature skip the var state change warning. remove next_basek in range_to_mtrr() v4: correct warning mask. v5: CONFIG_MTRR_SANITIZER v6: fix 1g, 2g, 512 aligment with extra hole v7: gran_sizek to prevent running out of MTRRs. v8: fix hole_basek caculation caused when removing next_basek gran_sizek using when basek is 0. need to apply [PATCH] x86: fix trimming e820 with MTRR holes. right after this one. Signed-off-by: -
Alexander van Heukelum authored
The x86_64 code has centralized the memory setup code in e820_64.c. This patch copies that approach to i386: - early_param("mem", ...) parsing is moved from setup_32.c to e820_32.c. - setup_memory_map() and finish_e820_parsing() are factored out from setup_arch(), and declarations are added to e820_32.h. - print_memory_map() is made static and removed from e820_32.h. - user_defined_memmap is marked as __initdata. Signed-off-by:Alexander van Heukelum <heukelum@fastmail.fm> Signed-off-by:
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Thomas Gleixner authored
arch/x86/kernel/cpu/mtrr/generic.c:216:12: warning: symbol 'lo' shadows an earlier one Signed-off-by:
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- 22 May, 2008 9 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: [CIFS] Fix reversed memset arguments Adds username in the upcall key for unattended mounts with keytab [CIFS] Remove redundant NULL check
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Dave Jones authored
Signed-off-by:
Dave Jones <davej@redhat.com> Signed-off-by:
Steve French <sfrench@us.ibm.com>
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Igor Mammedov authored
Signed-off-by:
Igor Mammedov <niallain@gmail.com> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: net: The world is not perfect patch. tcp: Make prior_ssthresh a u32 xfrm_user: Remove zero length key checks. net/ipv4/arp.c: Use common hex_asc helpers cassini: Only use chip checksum for ipv4 packets. tcp: TCP connection times out if ICMP frag needed is delayed netfilter: Move linux/types.h inclusions outside of #ifdef __KERNEL__ af_key: Fix selector family initialization. libertas: Fix ethtool statistics mac80211: fix NULL pointer dereference in ieee80211_compatible_rates mac80211: don't claim iwspy support orinoco_cs: add ID for SpeedStream wireless adapters hostap_cs: add ID for Conceptronic CON11CPro rtl8187: resource leak in error case ath5k: Fix loop variable initializations
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc64: Prevent stack backtrace false positives on trap frames. sparc64: Fix stack tracing through trap frames. sparc64: Fix kernel thread stack termination. sunhv: Fix locking in non-paged I/O case.
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David S. Miller authored
When we fully commit to returning back to kernel mode from a trap, zero out the regs->magic value to prevent false positives during stack backtraces. Signed-off-by:David S. Miller <davem@davemloft.net>
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Steve French authored
Noticed by Coverity checker. Signed-off-by: -
David S. Miller authored
The offset to the pt_regs area was wrong, so we weren't looking at the right location for the magic cookie. A trap frame is composed of a "struct sparc_stackf" then a "struct pt_regs", the code was using "struct reg_window" instead of "struct sparc_stackf". Signed-off-by: -
David S. Miller authored
Because of the silly way I set up the initial stack for new kernel threads, there is a loop at the top of the stack. To fix this, properly add another stack frame that is copied from the parent and terminate it in the child by setting the frame pointer in that frame to zero. Signed-off-by:
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