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2012-10-17buffered_file: unfold migrate_fd_closeJuan Quintela4-15/+6
We only used it once, just remove the callback indirection. Signed-off-by: Juan Quintela <quintela@redhat.com>
2012-10-17buffered_file: unfold migrate_fd_wait_for_unfreezeJuan Quintela4-9/+3
We only used it once, just remove the callback indirection. Signed-off-by: Juan Quintela <quintela@redhat.com>
2012-10-17buffered_file: unfold migrate_fd_put_readyJuan Quintela4-9/+3
We only use it once, just remove the callback indirection. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2012-10-17buffered_file: unfold migrate_fd_put_bufferJuan Quintela4-11/+7
We only used it once, just remove the callback indirection Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2012-10-17buffered_file: opaque is MigrationStateJuan Quintela2-4/+6
It always have that type, just change it. We will remove buffered file later on the migration thread series. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2012-10-17buffered_file: rename opaque to migration_stateJuan Quintela1-6/+6
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2012-10-17BufferedFile: append, then flushPaolo Bonzini1-39/+11
Simplify the logic for pushing data from the buffer to the output pipe/socket. This also matches more closely what will be the operation of the migration thread. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2012-10-17migration: Add dirty_pages_rate to query migrate outputJuan Quintela5-2/+31
It indicates how many pages were dirtied during the last second. Signed-off-by: Juan Quintela <quintela@redhat.com>
2012-10-17Separate migration bitmapJuan Quintela3-31/+43
This patch creates a migration bitmap, which is periodically kept in sync with the qemu bitmap. A separate copy of the dirty bitmap for the migration limits the amount of concurrent access to the qemu bitmap from iothread and migration thread (which requires taking the big lock). We use the qemu bitmap type. We have to "undo" the dirty_pages counting optimization on the general dirty bitmap and do the counting optimization with the migration local bitmap. Signed-off-by: Umesh Deshpande <udeshpan@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2012-10-17ram: create trace event for migration sync bitmapJuan Quintela2-0/+10
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2012-10-17ram: introduce migration_bitmap_sync()Juan Quintela1-2/+8
Helper that we use each time that we need to syncronize the migration bitmap with the other dirty bitmaps. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2012-10-17ram: Export last_ram_offset()Juan Quintela2-1/+2
Is the only way of knowing the RAM size. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2012-10-17ram: Introduce migration_bitmap_test_and_reset_dirty()Juan Quintela1-5/+14
It just test if the dirty bit is set, and clears it. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2012-10-17ram: introduce migration_bitmap_set_dirty()Juan Quintela1-7/+13
It just marks a region of memory as dirty. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2012-10-17savevm: Factorize ram globals reset in its own functionJuan Quintela1-3/+9
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2012-10-17migration: print expected downtime in info migrateJuan Quintela6-0/+20
Signed-off-by: Juan Quintela <quintela@redhat.com>
2012-10-17migration: export migrate_get_current()Juan Quintela2-1/+2
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2012-10-17migration: rename expected_time to expected_downtimeJuan Quintela1-10/+10
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2012-10-17migration: print total downtime for final phase of migrationJuan Quintela5-2/+19
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2012-10-17migration: store end_time in a local variableJuan Quintela1-1/+3
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2012-10-17fix migration syncJuan Quintela1-0/+1
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2012-10-17buffered_file: g_realloc() can't failJuan Quintela1-9/+1
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2012-10-17target-mips: Pass MIPSCPU to mips_vpe_sleep()Andreas Färber1-3/+7
Needed for moving halted field to CPUState. Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-17target-mips: Pass MIPSCPU to mips_tc_sleep()Andreas Färber1-3/+5
Needed for changing mips_vpe_sleep() argument type to MIPSCPU. Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-17target-mips: Pass MIPSCPU to mips_vpe_is_wfi()Andreas Färber1-4/+8
Needed for moving halted field to CPUState. The variable name "c" is retained for MIPSCPU to leave "cpu" for CPUState. Also change return type to bool while at it. Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-17target-mips: Pass MIPSCPU to mips_tc_wake()Andreas Färber1-3/+8
Needed for changing mips_vpe_is_wfi() argument type to MIPSCPU. Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-17target-mips: Clean up other_cpu in helper_{d,e}vpe()Andreas Färber1-14/+14
Free the variable name "other_cpu" for later use for MIPSCPU. Fix off-by-one indentation while at it. Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-17tcg-ia64: Implement depositRichard Henderson2-2/+58
Note that in the general reg=reg,reg case we're restricted to 16-bit insertions. This makes it easy to allow "any" constant as input, as post-truncation it will fit into the constant load insn for which we have room in the bundle. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-17tcg/ia64: slightly optimize TLB access codeAurelien Jarno1-5/+17
It is possible to slightly optimize the TLB access code, by replacing the movi + and instructions by a deposit instruction. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-17tcg/ia64: remove suboptimal register shifting in qemu_ld/st opsAurelien Jarno1-39/+37
Remove suboptimal register shifting in qemu_ld/st ops, introduced at the CONFIG_TCG_PASS_AREG0 time. As mem_idx is now loaded in register R58/R59 for the slow path, we have to make sure to do it last, to not add additional register constraints. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-17tcg/ia64: implement movcond_i32/64Aurelien Jarno2-2/+40
Implement movcond_i32/64 on ia64 hosts. It is not possible to have immediate compare arguments without adding a new bundle, but it is possible to have 22-bit immediate value arguments. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-17tcg/ia64: use stack for TCG tempsBlue Swirl1-3/+4
Use stack instead of temp_buf array in CPUState for TCG temps. Signed-off-by: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-17tcg/arm: Implement movcond_i32Peter Maydell2-1/+11
Implement movcond_i32 for ARM, as the sequence mov dst, v2 (implicitly done by the tcg common code) cmp c1, c2 movCC dst, v1 Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-17tcg/arm: Factor out code to emit immediate or reg-reg opPeter Maydell1-26/+20
The code to emit either an immediate cmp or a register cmp insn is duplicated in several places; factor it out into its own function. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-14Fix popcnt in long modemalc1-1/+1
Thanks to Andriy Gapon for initial problem report. Signed-off-by: malc <av1474@comtv.ru>
2012-10-13sun4u: Pass SPARCCPU to cpu_set_ivec_irq()Andreas Färber1-4/+3
Needed for moving halted field to CPUState. Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-10-13sun4u: Pass SPARCCPU to cpu_kick_irq()Andreas Färber1-4/+6
Needed for changing qemu_cpu_kick() argument type to CPUState. Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-10-13sun4u: Pass SPARCCPU to {,s,hs}tick_irq() and cpu_timer_create()Andreas Färber1-8/+11
Needed for changing cpu_kick_irq() argument type to SPARCCPU. Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-10-13sun4m: Pass SPARCCPU to cpu_kick_irq()Andreas Färber1-2/+4
Needed for changing qemu_cpu_kick() argument type to CPUState. Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-10-13sun4m: Pass SPARCCPU to cpu_set_irq()Andreas Färber1-2/+3
Needed for changing cpu_kick_irq() argument type to SPARCCPU. Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-10-13tcg-sparc: Emit MOVR insns for setcond_i64 and movcond_64Richard Henderson1-5/+30
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-10-13tcg-sparc: Emit BPr insns for brcond_i64Richard Henderson1-2/+47
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-10-13tcg-sparc: Dump illegal opode contentsRichard Henderson1-1/+1
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-10-13tcg-sparc: Drop use of Bicc in favor of BPccRichard Henderson1-160/+145
Now that we're always sparcv9, we can not bother using Bicc for 32-bit branches and BPcc for 64-bit branches and instead always use BPcc. New interfaces allow less direct use of tcg_out32 and raw numbers inside the qemu_ld/st routines. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-10-13tcg-sparc: Optimize setcond2 equality compare with 0.Richard Henderson1-3/+12
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-10-13tcg-sparc: Use Z constraint for %g0Richard Henderson2-60/+66
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-10-13tcg-sparc: Fix add2/sub2Richard Henderson1-8/+22
We must care not to clobber the high parts before we consume them. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-10-13tcg-sparc: Fix setcondRichard Henderson1-14/+19
The set of comparisons that can immediately use the carry are LTU/GEU, not LTU/LEU. Don't swap operands when we need a temp register; the register may already be in use from setcond2. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-10-13tcg-sparc: Fix qemu_st for 32-bitRichard Henderson1-3/+4
The datalo variable is still live in the miss path. Use another when reconstructing the full data value. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-10-13tcg-sparc: Fix setcond2Richard Henderson1-20/+18
Like brcond2, use tcg_high_cond. Use movcc instead of branches. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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