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Groups > linux.kernel > #1316049
| From | Luis Henriques <luis.henriques@canonical.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 3.16.y-ckt 101/128] ftrace/scripts: Have recordmcount copy the object file |
| Date | 2016-01-24 23:20 +0100 |
| Message-ID | <qUBaQ-2PO-51@gated-at.bofh.it> (permalink) |
| References | <qUB17-2KY-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
3.16.7-ckt23 -stable review patch. If anyone has any objections, please let me know.
---8<------------------------------------------------------------
From: "Steven Rostedt (Red Hat)" <rostedt@goodmis.org>
commit a50bd43935586420fb75f4558369eb08566fac5e upstream.
Russell King found that he had weird side effects when compiling the kernel
with hard linked ccache. The reason was that recordmcount modified the
kernel in place via mmap, and when a file gets modified twice by
recordmcount, it will complain about it. To fix this issue, Russell wrote a
patch that checked if the file was hard linked more than once and would
unlink it if it was.
Linus Torvalds was not happy with the fact that recordmcount does this in
place modification. Instead of doing the unlink only if the file has two or
more hard links, it does the unlink all the time. In otherwords, it always
does a copy if it changed something. That is, it does the write out if a
change was made.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
---
scripts/recordmcount.c | 145 +++++++++++++++++++++++++++++++++++++------------
1 file changed, 110 insertions(+), 35 deletions(-)
diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c
index 26f0cd2c8e9a..d6e6cc43d8af 100644
--- a/scripts/recordmcount.c
+++ b/scripts/recordmcount.c
@@ -47,12 +47,17 @@
static int fd_map; /* File descriptor for file being modified. */
static int mmap_failed; /* Boolean flag. */
-static void *ehdr_curr; /* current ElfXX_Ehdr * for resource cleanup */
static char gpfx; /* prefix for global symbol name (sometimes '_') */
static struct stat sb; /* Remember .st_size, etc. */
static jmp_buf jmpenv; /* setjmp/longjmp per-file error escape */
static const char *altmcount; /* alternate mcount symbol name */
static int warn_on_notrace_sect; /* warn when section has mcount not being recorded */
+static void *file_map; /* pointer of the mapped file */
+static void *file_end; /* pointer to the end of the mapped file */
+static int file_updated; /* flag to state file was changed */
+static void *file_ptr; /* current file pointer location */
+static void *file_append; /* added to the end of the file */
+static size_t file_append_size; /* how much is added to end of file */
/* setjmp() return values */
enum {
@@ -66,10 +71,14 @@ static void
cleanup(void)
{
if (!mmap_failed)
- munmap(ehdr_curr, sb.st_size);
+ munmap(file_map, sb.st_size);
else
- free(ehdr_curr);
- close(fd_map);
+ free(file_map);
+ file_map = NULL;
+ free(file_append);
+ file_append = NULL;
+ file_append_size = 0;
+ file_updated = 0;
}
static void __attribute__((noreturn))
@@ -91,12 +100,22 @@ succeed_file(void)
static off_t
ulseek(int const fd, off_t const offset, int const whence)
{
- off_t const w = lseek(fd, offset, whence);
- if (w == (off_t)-1) {
- perror("lseek");
+ switch (whence) {
+ case SEEK_SET:
+ file_ptr = file_map + offset;
+ break;
+ case SEEK_CUR:
+ file_ptr += offset;
+ break;
+ case SEEK_END:
+ file_ptr = file_map + (sb.st_size - offset);
+ break;
+ }
+ if (file_ptr < file_map) {
+ fprintf(stderr, "lseek: seek before file\n");
fail_file();
}
- return w;
+ return file_ptr - file_map;
}
static size_t
@@ -113,12 +132,38 @@ uread(int const fd, void *const buf, size_t const count)
static size_t
uwrite(int const fd, void const *const buf, size_t const count)
{
- size_t const n = write(fd, buf, count);
- if (n != count) {
- perror("write");
- fail_file();
+ size_t cnt = count;
+ off_t idx = 0;
+
+ file_updated = 1;
+
+ if (file_ptr + count >= file_end) {
+ off_t aoffset = (file_ptr + count) - file_end;
+
+ if (aoffset > file_append_size) {
+ file_append = realloc(file_append, aoffset);
+ file_append_size = aoffset;
+ }
+ if (!file_append) {
+ perror("write");
+ fail_file();
+ }
+ if (file_ptr < file_end) {
+ cnt = file_end - file_ptr;
+ } else {
+ cnt = 0;
+ idx = aoffset - count;
+ }
}
- return n;
+
+ if (cnt)
+ memcpy(file_ptr, buf, cnt);
+
+ if (cnt < count)
+ memcpy(file_append + idx, buf + cnt, count - cnt);
+
+ file_ptr += count;
+ return count;
}
static void *
@@ -175,9 +220,7 @@ static int make_nop_x86(void *map, size_t const offset)
*/
static void *mmap_file(char const *fname)
{
- void *addr;
-
- fd_map = open(fname, O_RDWR);
+ fd_map = open(fname, O_RDONLY);
if (fd_map < 0 || fstat(fd_map, &sb) < 0) {
perror(fname);
fail_file();
@@ -186,29 +229,58 @@ static void *mmap_file(char const *fname)
fprintf(stderr, "not a regular file: %s\n", fname);
fail_file();
}
- addr = mmap(0, sb.st_size, PROT_READ|PROT_WRITE, MAP_PRIVATE,
- fd_map, 0);
+ file_map = mmap(0, sb.st_size, PROT_READ|PROT_WRITE, MAP_PRIVATE,
+ fd_map, 0);
mmap_failed = 0;
- if (addr == MAP_FAILED) {
+ if (file_map == MAP_FAILED) {
mmap_failed = 1;
- addr = umalloc(sb.st_size);
- uread(fd_map, addr, sb.st_size);
+ file_map = umalloc(sb.st_size);
+ uread(fd_map, file_map, sb.st_size);
}
- if (sb.st_nlink != 1) {
- /* file is hard-linked, break the hard link */
- close(fd_map);
- if (unlink(fname) < 0) {
- perror(fname);
- fail_file();
- }
- fd_map = open(fname, O_RDWR | O_CREAT, sb.st_mode);
- if (fd_map < 0) {
- perror(fname);
+ close(fd_map);
+
+ file_end = file_map + sb.st_size;
+
+ return file_map;
+}
+
+static void write_file(const char *fname)
+{
+ char tmp_file[strlen(fname) + 4];
+ size_t n;
+
+ if (!file_updated)
+ return;
+
+ sprintf(tmp_file, "%s.rc", fname);
+
+ /*
+ * After reading the entire file into memory, delete it
+ * and write it back, to prevent weird side effects of modifying
+ * an object file in place.
+ */
+ fd_map = open(tmp_file, O_WRONLY | O_TRUNC | O_CREAT, sb.st_mode);
+ if (fd_map < 0) {
+ perror(fname);
+ fail_file();
+ }
+ n = write(fd_map, file_map, sb.st_size);
+ if (n != sb.st_size) {
+ perror("write");
+ fail_file();
+ }
+ if (file_append_size) {
+ n = write(fd_map, file_append, file_append_size);
+ if (n != file_append_size) {
+ perror("write");
fail_file();
}
- uwrite(fd_map, addr, sb.st_size);
}
- return addr;
+ close(fd_map);
+ if (rename(tmp_file, fname) < 0) {
+ perror(fname);
+ fail_file();
+ }
}
/* w8rev, w8nat, ...: Handle endianness. */
@@ -315,7 +387,6 @@ do_file(char const *const fname)
Elf32_Ehdr *const ehdr = mmap_file(fname);
unsigned int reltype = 0;
- ehdr_curr = ehdr;
w = w4nat;
w2 = w2nat;
w8 = w8nat;
@@ -435,6 +506,7 @@ do_file(char const *const fname)
}
} /* end switch */
+ write_file(fname);
cleanup();
}
@@ -487,11 +559,14 @@ main(int argc, char *argv[])
case SJ_SETJMP: /* normal sequence */
/* Avoid problems if early cleanup() */
fd_map = -1;
- ehdr_curr = NULL;
mmap_failed = 1;
+ file_map = NULL;
+ file_ptr = NULL;
+ file_updated = 0;
do_file(file);
break;
case SJ_FAIL: /* error in do_file or below */
+ sprintf("%s: failed\n", file);
++n_error;
break;
case SJ_SUCCEED: /* premature success */
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[PATCH 3.16.y-ckt 067/128] spi: fix parent-device reference leak Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:10 +0100
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[PATCH 3.16.y-ckt 093/128] net: fix warnings in 'make htmldocs' by moving macro definition out of field declaration Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:20 +0100
[PATCH 3.16.y-ckt 112/128] ipv6/addrlabel: fix ip6addrlbl_get() Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:20 +0100
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[PATCH 3.16.y-ckt 087/128] net: phy: mdio-mux: Check return value of mdiobus_alloc() Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:20 +0100
[PATCH 3.16.y-ckt 092/128] ser_gigaset: fix deallocation of platform device structure Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:20 +0100
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[PATCH 3.16.y-ckt 084/128] USB: ipaq.c: fix a timeout loop Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:20 +0100
[PATCH 3.16.y-ckt 094/128] include/linux/mmdebug.h: should include linux/bug.h Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:20 +0100
[PATCH 3.16.y-ckt 099/128] ARM: dts: imx6: Fix Ethernet PHY mode on Ventana boards Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:20 +0100
[PATCH 3.16.y-ckt 096/128] vmstat: allocate vmstat_wq before it is used Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:20 +0100
[PATCH 3.16.y-ckt 100/128] scripts: recordmcount: break hardlinks Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:20 +0100
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[PATCH 3.16.y-ckt 110/128] net/mlx4_en: Remove dependency between timestamping capability and service_task Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:20 +0100
[PATCH 3.16.y-ckt 090/128] amd-xgbe: fix a couple timeout loops Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:20 +0100
[PATCH 3.16.y-ckt 101/128] ftrace/scripts: Have recordmcount copy the object file Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:20 +0100
[PATCH 3.16.y-ckt 086/128] pinctrl: bcm2835: Fix initial value for direction_output Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:20 +0100
[PATCH 3.16.y-ckt 082/128] xen/pciback: For XEN_PCI_OP_disable_msi[|x] only disable if device has MSI(X) enabled. Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:20 +0100
[PATCH 3.16.y-ckt 088/128] sh_eth: fix TX buffer byte-swapping Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:20 +0100
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[PATCH 3.16.y-ckt 081/128] xen/pciback: Do not install an IRQ handler for MSI interrupts. Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:20 +0100
[PATCH 3.16.y-ckt 083/128] xen/pciback: Don't allow MSI-X ops if PCI_COMMAND_MEMORY is not set. Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:20 +0100
[PATCH 3.16.y-ckt 063/128] tty: Fix GPF in flush_to_ldisc() Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 059/128] Revert "SCSI: Fix NULL pointer dereference in runtime PM" Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 074/128] xen-netback: don't use last request to determine minimum Tx credit Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 030/128] radeon/cik: Fix GFX IB test on Big-Endian Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 070/128] ARC: dw2 unwind: Ignore CIE version !=1 gracefully instead of bailing Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 075/128] xen-netback: use RING_COPY_REQUEST() throughout Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 057/128] rfkill: copy the name into the rfkill struct Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 060/128] ses: fix additional element traversal bug Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 079/128] xen/pciback: Return error on XEN_PCI_OP_enable_msi when device has MSI or MSI-X enabled Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 064/128] ALSA: usb-audio: Add a more accurate volume quirk for AudioQuest DragonFly Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 073/128] xen: Add RING_COPY_REQUEST() Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 055/128] video: fbdev: fsl: Fix kernel crash when diu_ops is not implemented Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 019/128] SCSI: Fix NULL pointer dereference in runtime PM Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 027/128] IB/srp: Fix possible send queue overflow Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 068/128] dma-debug: Fix dma_debug_entry offset calculation Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 022/128] ALSA: rme96: Fix unexpected volume reset after rate changes Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 014/128] irqchip/versatile-fpga: Fix PCI IRQ mapping on Versatile PB Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 052/128] tools: Add a "make all" rule Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 056/128] crypto: skcipher - Copy iv from desc even for 0-len walks Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 069/128] ARC: dw2 unwind: Reinstante unwinding out of modules Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 054/128] xen/events/fifo: Consume unprocessed events when a CPU dies Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 016/128] USB: whci-hcd: add check for dma mapping error Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 017/128] usb: Use the USB_SS_MULT() macro to decode burst multiplier for log message Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 040/128] USB: add quirk for devices with broken LPM Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 018/128] dm btree: fix leak of bufio-backed block in btree_split_sibling error path Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 061/128] powercap / RAPL: fix BIOS lock check Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 058/128] ses: Fix problems with simple enclosures Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 076/128] xen-blkback: only read request operation from shared ring once Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 066/128] ALSA: hda - Add a fixup for Thinkpad X1 Carbon 2nd Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 072/128] powerpc/powernv: pr_warn_once on unsupported OPAL_MSG type Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 065/128] ARM: 8471/1: need to save/restore arm register(r11) when it is corrupted Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 053/128] i2c: mv64xxx: The n clockdiv factor is 0 based on sunxi SoCs Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:30 +0100
[PATCH 3.16.y-ckt 042/128] mm: hugetlb: fix hugepage memory leak caused by wrong reserve count Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:40 +0100
[PATCH 3.16.y-ckt 033/128] ALSA: hda - Fix noise problems on Thinkpad T440s Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:40 +0100
[PATCH 3.16.y-ckt 049/128] efi: Disable interrupts around EFI calls, not in the epilog/prolog calls Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:40 +0100
[PATCH 3.16.y-ckt 039/128] xhci: fix usb2 resume timing and races. Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:40 +0100
[PATCH 3.16.y-ckt 046/128] ocfs2: fix SGID not inherited issue Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:40 +0100
[PATCH 3.16.y-ckt 045/128] drivers/base/memory.c: prohibit offlining of memory blocks with missing sections Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:40 +0100
[PATCH 3.16.y-ckt 005/128] USB: cdc_acm: Ignore Infineon Flash Loader utility Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:40 +0100
[PATCH 3.16.y-ckt 010/128] AHCI: Fix softreset failed issue of Port Multiplier Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:40 +0100
[PATCH 3.16.y-ckt 031/128] radeon: Fix VCE ring test for Big-Endian systems Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:40 +0100
[PATCH 3.16.y-ckt 004/128] USB: cp210x: Remove CP2110 ID from compatibility list Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:40 +0100
[PATCH 3.16.y-ckt 006/128] USB: serial: Another Infineon flash loader USB ID Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:40 +0100
[PATCH 3.16.y-ckt 050/128] MIPS: uaccess: Take EVA into account in __copy_from_user() Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:40 +0100
[PATCH 3.16.y-ckt 037/128] dm btree: fix bufio buffer leaks in dm_btree_del() error path Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:40 +0100
[PATCH 3.16.y-ckt 051/128] MIPS: uaccess: Take EVA into account in [__]clear_user Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:40 +0100
[PATCH 3.16.y-ckt 007/128] ext4: Fix handling of extended tv_sec Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:40 +0100
[PATCH 3.16.y-ckt 036/128] ipmi: move timer init to before irq is setup Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:40 +0100
[PATCH 3.16.y-ckt 035/128] dm space map metadata: fix ref counting bug when bootstrapping a new space map Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:40 +0100
[PATCH 3.16.y-ckt 032/128] radeon: Fix VCE IB test on Big-Endian systems Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:40 +0100
[PATCH 3.16.y-ckt 043/128] mm, vmstat: allow WQ concurrency to discover memory reclaim doesn't make any progress Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:40 +0100
[PATCH 3.16.y-ckt 041/128] parisc iommu: fix panic due to trying to allocate too large region Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:40 +0100
[PATCH 3.16.y-ckt 048/128] usb: musb: USB_TI_CPPI41_DMA requires dmaengine support Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:40 +0100
[PATCH 3.16.y-ckt 047/128] sh64: fix __NR_fgetxattr Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:40 +0100
[PATCH 3.16.y-ckt 038/128] vgaarb: fix signal handling in vga_get() Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:40 +0100
[PATCH 3.16.y-ckt 044/128] mm: hugetlb: call huge_pte_alloc() only if ptep is null Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:40 +0100
[PATCH 3.16.y-ckt 029/128] 9p: ->evict_inode() should kick out ->i_data, not ->i_mapping Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:40 +0100
[PATCH 3.16.y-ckt 028/128] ALSA: hda - Fixing speaker noise on the two latest thinkpad models Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:50 +0100
[PATCH 3.16.y-ckt 025/128] nfs4: limit callback decoding to received bytes Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:50 +0100
[PATCH 3.16.y-ckt 021/128] usb: xhci: fix config fail of FS hub behind a HS hub with MTT Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:50 +0100
[PATCH 3.16.y-ckt 026/128] SUNRPC: Fix callback channel Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:50 +0100
[PATCH 3.16.y-ckt 020/128] perf: Fix PERF_EVENT_IOC_PERIOD deadlock Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:50 +0100
[PATCH 3.16.y-ckt 024/128] virtio: fix memory leak of virtio ida cache layers Luis Henriques <luis.henriques@canonical.com> - 2016-01-24 23:50 +0100
[PATCH 3.16.y-ckt 129/129] Revert "[stable-only] net: add length argument to skb_copy_and_csum_datagram_iovec" Luis Henriques <luis.henriques@canonical.com> - 2016-01-25 12:00 +0100
csiph-web